DS-CPC1465 - Rev. C.01
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Features
·
Bridge rectifier for polarity correction
·
Uses inexpensive opto-coupler for dc signalling
·
Electronic inductor, breakover, and latch circuits
·
Current limiting and excess power protection circuits
·
ANSI SHDSL and ISDN compatible
·
MLT and SARTS compatible
·
Compatible with portable test sets
·
Excellent linearity
·
Small 16-pin SOIC package
·
Pin compatible with Agere LH1465AAE
Applications
·
Network Termination 1 (NT1) equipment
·
Mechanized Loop Test (MLT) networks
·
Switched Access Remote Test System (SARTS)
networks
Description
The CPC1465 is a dc termination IC used in
Integrated Services Digital Network subscriber line
(ISDN) and Single-pair High-speed Digital Subscriber
Line (SHDSL) equipment. It provides a polarity
insensitive dc termination for DSL loop-sealing current
and a recognizable device signature for MLT systems.
The CPC1465 passes dc signalling information to the
NT1 through an inexpensive opto-coupler.
Ordering Information
Figure 1. CPC1465 Typical NT1 Application
Part Number Description
CPC1465B
Dc termination IC, 16-pin SOIC, in tubes
CPC1465B-TR Dc termination IC, 16-pin SOIC, in tape and reel
CPC1465
Maintenance
Mode
Circuit
Transceiver
TIP
RING
2.2 k
4 W, 5%
1 PR+
2 NC
3 NC
4 TIP
5 RING
6 NC
7 NC
8 PR-
16 TC
15 NC
14 NC
13 RS
12 PD
11 NC
10 NC
9 COM
1 F
µ
1 F
µ
25
68
1/4 W, 1%
25
1
2
3
4
8
7
6
5
Current Limit
and Excess
Power Protection
Electronic
Inductor,
Breakover,
Latch, and
Opto Driver
Bridge
Rectifier
CPC1465
SHDSL/ISDN DC Termination IC
CPC1465
2
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Rev. C.01
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1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Package Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Absolute Maximum Ratings (at 25 °C). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4 Electrical Characteristics, TA = 25 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.5 Testing Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3 Manufacturing Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Washing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Rev. C.01
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1. Specifications
1.1 Package Pinout
1.2 Pinout
1.3 Absolute Maximum Ratings (at 25 °C)
Absolute maximum ratings are stress ratings. Stresses in
excess of these ratings can cause permanent damage to
the device. Functional operation of the device at conditions
beyond those indicated in the operational sections of this
data sheet is not implied.
Pin
Name
Description
1
PR+
Protection resistor positive side
2
NC
No connection
3
NC
No connection
4
T
Tip lead
5
R
Ring lead
6
NC
No connection
7
NC
No connection
8
PR-
Protection resistor negative side
9
COM
Common
10
NC
No connection
11
NC
No connection
12
PD
Photo-diode (LED input current)
13
RS
Current limiting resistor
14
NC
No connection
15
NC
No connection
16
TC
Timing capacitor
CPC1465
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
NC
PR+
NC
T
R
NC
NC
PR-
TC
NC
NC
RS
PD
NC
NC
COM
Parameter
Minimum Maximum
Unit
Operating temperature
-40
+85
°C
Storage temperature
-40
+125
°C
Operating relative humidity
5
95
%
Pin soldering temperature
(15 seconds max)
-
+300
°C
Power dissipation
-
1
W
Maximum Voltage (T to R,
R to T)*
-
300
V
*Clare recommends the use of room-temperature-vulcanizing silicone RTV
sealant on the tip and ring pins (pins 4 and 5) to guard against the
possibility of arcing.
CPC1465
4
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1.4 Electrical Characteristics, T
A
= 25 °C
Unless otherwise specified, minimum and maximum
values are production testing requirements. Typical
values are characteristic of the device and are the
result of engineering evaluations. Typical values are
provided for information purposes only and are not
part of testing requirements.
1.4.1 DC Characteristics, Normal Operation,
(see Figure 2 on page 7)
1.4.2 AC Characteristics, Normal Operation
1.4.3 Transition Characteristics, Normal Operation,
(see Figure 6 on page 9)
Parameter
Conditions
Symbol
Minimum
Typical
Maximum
Unit
Activate/Non-activate Voltage
-
V
AN
30.0
35.0
39.0
V
Breakover current
-
I
BO
-
0.5
1
mA
DC Voltage drop, active state
1 mA
I
SL
20 mA
V
ON
-
12.5
15
V
DC leakage current
V
OFF
= 20 V
I
LKG
-
0.001
5
µA
Hold/Release current, active state
-
I
H/R
0.1
0.5
1.0
mA
Minimum on current
V
ON
< 54 V
I
MIN1
20
35
-
mA
Minimum on current
54 V
V
ON
100 V for 2 seconds,
source resistance 200
to 4 k
I
MIN2
9.0
45
-
mA
Minimum on current
V
ON
> 100 V
I
MIN3
0
0.1
-
mA
Maximum on current
V
ON
70 V
I
MAX1
-
-
70
mA
Maximum on current
V
ON
> 70 V
I
MAX2
-
-
mA
Opto coupler LED current, active state
I
LED
0.2
0.3
10
mA
Parameter
Conditions
Symbol
Minimum
Typical
Maximum
Unit
ac impedance
200 Hz to 50 kHz, see
Z
MT
10
-
-
k
Linearity distortion
= 200 Hz to 40 kHz, I
SL
= 1 mA to
20 mA, V
APP
10.5 V
PP
, see
D1
75
-
-
dB
Linearity distortion
= 200 Hz to 40 kHz, I
SL
= 1 mA to
20 mA, V
APP
12 V
PP
, see
D2
50
-
-
dB
Parameter
Conditions
Symbol
Minimum
Typical
Maximum
Unit
Activate time
(see Figure 6 on page 9)
t1
3.0
13
50
ms
Release time
(see Figure 7 on page 9)
t2
3.0
-
100
ms
V
ON
1k
-----------
Rev. C.01
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1.5 Testing Characteristics
These tests assume carbon block primary protectors
at the demarcation point and crowbar protection
across the CPC1465 limiting peak potentials to 250 V.
1.5.1 Abnormal Conditions Class 1 (Survivable, No Device Damage)
1.5.2 Abnormal Conditions Class 2 (Fail Safe, No Fire)
Test Name
Parameter
Value
Obsolete sealing current
Voltage
Duty cycle
72 V
Continuous
MLT testing
Voltage
Source impedance
Duration
Duty cycle
190 V
200
<1 s
25%
Inadvertent ringing
ac Voltage
Dc Voltage
Source impedance
Duty cycle
150 V
RMS
52 V
200
33% over 6 s
Lightning:*
L1
Peak Voltage
Rise time versus fall time
Peak Current
Repetitions (each polarity)
600 V
10 x 1000
µs
200 A
4
L2
Peak Voltage
Rise time versus fall time
Peak Current
Repetitions (each polarity)
1000 V
10 x 560
µs
200 A
2
L3
Peak Voltage
Rise time versus fall time
Peak Current
Repetitions (each polarity)
1000 V
10 x 160
µs
200 A
2
*Voltages are applied from the first lead of the pair to ground with the second lead of the pair grounded, from the second lead of the pair to ground with the first lead
grounded, and from the pair connected together to ground.
Test Name
Parameter
Value
ac power cross:
Case 1
Voltage
Source impedance
Duration
300 V
RMS
to 600 V
RMS
3
5 s
Case 2
Voltage
Source current limit
Duration
0 V
RMS
to 600 V
RMS
0 A to 2 A
30 minutes
Case3
Voltage
Source current limit
Duration
300 V
RMS
to 600 V
RMS
2 A to 6 A
5 s
CPC1465
6
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1.5.3 LED Trigger Characteristics During MLT Signalling
1.5.4 LED Trigger Characteristics During Dial Test Set Signalling
(see Figure 10 on page 10)
Parameter
Conditions
Symbol
Minimum
Typical
Maximum
Unit
Applied ac Voltage
-
-
60
-
62
V
PEAK
Applied ac frequency
-
-
2
-
3
Hz
Number of half-cycles applied
-
1
6
-
10
-
Total loop resistance
-
-
900
-
4500
Required opto-coupler response
Number of pulses per half-cycle applied
-
-
-
1
-
-
Pulse width (opto on)
(see Figure 9 on
page 10)
PW
L
10
-
-
ms
Pulse width (opto off)
(see Figure 9 on
page 10)
PW
H
10
-
-
ms
Parameter
Conditions
Symbol
Minimum
Typical
Maximum
Unit
Applied dc battery Voltage
-
-
-43.5
-
-56
V
DC
Frequency (pulses per second)
-
-
4
-
8
-
Percent break
-
-
40
-
60
%
Number of pulses
-
-
6
-
10
-
Total Loop Resistance
-
-
200
-
4000
Required opto-coupler response
Number of pulses per make/break applied
-
-
-
1
-
-
Pulse width (opto on)
(see Figure 9 on
page 10)
PW
L
10
-
-
ms
Pulse width (opto off)
(see Figure 9 on
page 10)
PW
H
10
-
-
ms
Rev. C.01
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Figure 2. I-V Requirements Template, 0 V to 50 V
Figure 3. I-V Requirements Template, 0 V to 250 V
1A
100 mA
10 mA
1 mA
100 A
10 A
1 A
0
µ
µ
µ
Current
Absolute Voltage (V)
0
10
20
30
40
50
Transition
Region
Transition
Region
On State
Off State
I
MAX1
I
MIN1
V
ON
I
HR
I
BO
I
LKG
V
AN
1A
100 mA
10 mA
1 mA
100 A
10 A
1 A
0
µ
µ
µ
Current
Absolute Voltage (V)
0
50
100
150
200
250
I
MAX1
I
MIN2
I
MIN1
70 V, 70 mA
54 V, 9 mA
100 V, 0 mA
CPC1465
8
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Rev. C.01
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Figure 4. Test Circuit for ac Impedance and Linearity
Figure 5. Linearity Requirement Template
68 F
µ
1k
DUT
ac generator
1 - 20 mA
dc current source
V
mt
V
sig
Z
mt
1000 V
mt
×
V
sig
----------------------------
=
Linearity
20
V
mt
V
sig
2ndharmonic
---------------------------------------------------
log
20
1000
67.5
------------
log
+
=
75
50
0
Linear
ity (dB)
Applied ac Voltage (V )
PP
0
0.5
10.0
10.5
11.0
11.5
12.0
Unacceptable
Acceptable
Rev. C.01
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Figure 6. Test Circuit for Activate and Deactivate Times
Figure 7. Applied Waveform for Activation Test
Figure 8. Applied Waveform for Deactivation Test
1 F
µ
85
DUT
Pulse
generator
85 mH
40 V
30 V
20 V
10 V
0
43.5 V
Source Impedance
200
to 4k
t1
500 ms
Measure
2.0 mA
1.5 mA
1.0 mA
0.5 mA
0
Current source limited to 30 V
t2
500 ms
Measure
CPC1465
10
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Figure 9. Test Circuit for LED Operation
Figure 10. Connection Diagram
CPC1465
V
OUT
TIP
RING
2.2 k
4 W, 5%
1 PR+
2 NC
3 NC
4 TIP
5 RING
6 NC
7 NC
8 PR-
16 TC
15 NC
14 NC
13 RS
12 PD
11 NC
10 NC
9 COM
1 F
µ
1 F
µ
68
1/4 W, 1%
85
10 k
25
25
1
2
3
4
8
7
6
5
+
R
200
- 4 k
900
- 4.5 k
(MLT)
LOOP
V
-43.5 V - -56 V
60 V
, 2 Hz - 3 Hz (MLT)
BAT
PEAK
85
mH
Series rotary dial
Shunt rotary dial
V
5V
CC
CPC1465
TIP
RING
2.2 k
4 W, 5%
1 PR+
2 NC
3 NC
4 TIP
5 RING
6 NC
7 NC
8 PR-
16 TC
15 NC
14 NC
13 RS
12 PD
11 NC
10 NC
9 COM
1 F
µ
68
1/4 W, 1%
1
2
3
4
8
7
6
5
Rev. C.01
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2. Functional Description
2.1 Introduction
The CPC1465 performs two functions in an NT1;
electronic inductor for a dc termination with high ac
impedance, and as part of the dc signalling system for
testing line capability. The CPC1465 meets or
exceeds the requirements for an NT1 dc termination
as described in ANSI T1.601-1991.
2.1.1 Surge Protection
The CPC1465 requires few external components
(see
Figure 1 on page 1)
. The CPC1465 is current limited, but
it is not an over-Voltage surge protector. Clare
recommends the use of a crowbar-type surge
protector that limits line voltage to 250 V with the
COC1465. The surge protector must be able to
withstand the requirements in "Abnormal Conditions
Class 1 (Survivable, No Device Damage)" on page 5
and in "Abnormal Conditions Class 2 (Fail Safe, No
Fire)" on page 5. Teccor, Inc. makes suitable surge
protectors, like the P2000AA61 Sidactor.
2.1.2 Bridge Rectifier
The bridge rectifier in the CPC1465 ensures that the
device provides the same operational characteristics if
the tip and ring leads are reversed.
2.1.3 Trigger
The dc tip lead to ring lead I-V characteristics of the
CPC1465 are shown in "I-V Requirements Template, 0
V to 50 V" on page 7, and in "I-V Requirements
Template, 0 V to 250 V" on page 7. Application of
battery Voltage to the loop causes the CPC1465 to
conduct when the voltage exceeds approximately
35 V. With 35 V or more on the tip lead and ring lead
terminals, the CPC1465 conducts about 150
µA of
current for approximately 20 ms, then it turns on. The
CPC1465 remains on as long as the loop current
exceeds 0.5 mA.
The CPC1465 turn-on and turn-off timing circuits
assure that the device will not turn on if a Voltage
above 43.5 V is applied for less than 3 ms, and that it
will not turn off if loop current is interrupted for less
than 3 ms.
2.1.4 Activation and De-Activation
Current for the LED of the opto coupler flows when the
current in the CPC1465 exceeds 1 mA. The CPC1465
will turn on if a Voltage above 43.5 V is applied for
more than 50 ms, and it will turn off if 1 mA loop
current is interrupted for more than 100 ms. See "Test
Circuit for Activate and Deactivate Times" on page 9,
"Applied Waveform for Activation Test" on page 9, and
"Applied Waveform for Deactivation Test" on page 9
for more information.
LED current is interrupted when loop current is
interrupted. The current in the on state is determined
by the battery Voltage and the loop resistance.
2.1.5 Fault Conditions
If loop resistance is low or if the applied Voltage is very
high, the CPC1465 limits the loop current ot less than
60 mA. While limiting current, the CPC1465 shunts
the 2.2 k
resistor across itself to prevent heating.
Voltage in excess of 100 V applied to the tip and ring
pins cause the CPC1465 to shut down where very
little current flows. Remove the fault Voltage to resume
normal operation.
CPC1465
12
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Rev. C.01
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3. Manufacturing Information
Figure 11. Mechanical Dimensions
NOTE: The CPC1465 uses a slightly different package
than the LH1465AAE. Some adjustment to
printed-circuit-board pad layout may be needed for
existing applications.
NOTES:
1. Coplanarity = 0.004 max.
2. Leadframe thickness does not include solder plating (1000 microinchmaximum).
3. Sum of package height, standoff, and coplanarity does not exceed 0.083".
(mm)
INCHES
DIMENSIONS
(2.108 MAX.)
.083 MAX
(.635 X 45°)
.025 X 45°
(8.890 TYP.)
.350 TYP
(.406 TYP.)
.016 TYP
.010 ±.0005
(.254 ±.0127)
.040 TYP
(1.016 TYP)
MIN: .001 (.0254)
LEAD TO PACKAGE STANDOFF:
MAX: .004 (.102)
.400±.015
(10.160±.381)
.295±.005
(7.493±.127)
.408±.005
(10.363±.127)
.050 TYP
(1.270 TYP)
SEE NOTE 3
.020±.004
PIN 1
PIN 16
Rev. C.01
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Figure 12. Printed-Circuit Board Layout
Figure 13. Tape and Reel Packaging
3.1 Soldering
3.1.1 Moisture Reflow Sensitivity
Clare has characterized the moisture reflow sensitivity
for this product using IPC/JEDEC standard
J-STD-020A. Moisture uptake from atmospheric
humidity occurs by diffusion. During the solder reflow
process, in which the component is attached to the
PCB, the whole body of the component is exposed to
high process temperatures. The combination of
moisture uptake and high reflow soldering
temperatures may lead to moisture induced
delamination and cracking of the component. To
prevent this, this component must be handled in
accordance with IPC/JEDEC standard J-STD-020A
per the labelled moisture sensitivity level (MSL),
level 1.
3.1.2 Reflow Profile
The maximum ramp rates, dwell times, and
temperatures of the assembly reflow profile should not
PC Board Pattern
(Top View)
1.193
(.047)
9.728
± .051
(.383
± .002)
.787
(.031)
1.270
(.050)
B0
16.00
7.50
R = .50
2.30
K0
K1
1.30
6.80
3.00
A0
2.00
4.00
2.00
1.50
12.00
6.50
2.70
A0 =
B0 =
K0 =
K1 =
NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETERS AND CARRY TOLERANCES OF EIA
STANDARD 481-2. 2. THE TAPE COMPLIES WITH ALL "NOTES" FOR CONSTANT DIMENSIONS
LISTED ON PAGE 5 OF EIA-481-2.
6.5 mm
10.3 mm
2.3 mm
2.7 mm
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CPC1465
14
exceed those specified in IPC standard IPC-9502,
table 2. Soldering processes are limited to 220 °C
component body temperature.
3.2 Washing
Clare does not recommend ultrasonic cleaning of this
part.
For additional information please visit
www.clare.com
Clare, Inc. makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make
changes to specifications and product descriptions at any time without notice. Neither circuit patent licenses or indemnity are expressed or implied. Except as set
forth in Clare's Standard Terms and Conditions of Sale, Clare, Inc. assumes no liability whatsoever, and disclaims any express or implied warranty relating to its
products, including, but not limited to, the implied warranty of merchantability, fitness for a particular purpose, or infringement of any intellectual property right.
The products described in this document are not designed, intended, authorized, or warranted for use as components in systems intended for surgical implant into
the body, or in other applications intended to support or sustain life, or where malfunction of Clare's product may result in direct physical harm, injury, or death to a
person or severe property or environmental damage. Clare, Inc. reserves the right to discontinue or make changes to its products at any time without notice.
Specifications: DS-CPC1465 - Rev. C.01
© Copyright 2003, Clare, Inc.
All rights reserved. Printed in USA.
5/15/2003
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