1
Features
·
Dual 6-bit Resolution
·
700 MHz Full-power Input Bandwidth (-3 dB)
·
Band flatness (± 0.5 dB) from DC to 350 MHz
·
1 Gsps Sampling Rate
·
SINAD = 35 dB Typ (5.7 ENOB)
THD = -47 dB, SFDR = -48 dB at F
S
= 1 Gsps, F
IN
= 250 MHz, (SFSR = -0.5dB FS)
·
2-tone IMD: -47 dBc Min at 1 Gsps, F
IN
= 249 MHz, 251 MHz
·
DNL = 0.35 LSB Typ, INL = 0.5 LSB Typ
·
Channel-to-channel Input Offset Error: ±1 LSB Max, 0 LSB Typ
·
Gain Matching (Channel-to-channel): ±0.25 dB Max, 0 dB Typ
·
Phase Matching (Channel to Channel): ±2deg Max, 0 deg typ
·
Channel to Channel mean difference error: 0.5lsb(rms)
·
Channel to Channel max difference error: ±2 LSB Typ
·
Low Bit Error Rate (10
-9
) at 1 Gsps
·
Very Low Input Capacitance: 1 pF
·
800 mV
PP
Differential or Single Analog Inputs
·
Differential or Single-ended 50
PECL-compatible Clock Inputs
·
LVDS Output Compatibility (100
)
·
1:2 Data Output De-multiplexer per ADC
·
LOW Power Consumption:
700 mW at
Vcca = Vccd = 3.15V/Vcco = 2.25V
·
Power Supply: 3.15V (Analog), 3.15V (Digital), 2.25V (Output)
·
Available in 80-lead TQFP Package
·
Temperature range:
Industrial -20
°C < Ta < 85°C,
Commercial 0
°C < Ta < 70°C
Applications
·
Satellite Receiver
·
Direct RF Down-conversion
·
Test instrumentation
·
WLAN
Description
The AT76CL610 is a monolithic dual 6-bit analog-to-digital converter, designed for dig-
itizing in-phase (I) and quadrature (Q) wide bandwidth analog signals at very high
sampling rates of up to 1 Gsps (gigasamples per second). The ability to directly inter-
face I and Q signals makes the AT76CL610 ideal for use in applications such as direct
satellite demodulation.
The AT76CL610 uses an innovative architecture and is fabricated with an advanced
high-speed BiCMOS process.
The two on-chip ADC cores have a closely matched 700 MHz full-power input band-
width, providing excellent dynamic performance in undersampling applications (high
IF digitizing).
The samples from each A/D converter are de-multiplexed by a 1:2 ratio and the output
data stream is LVDS-compliant.
Dual ADC 6-bit
1 Gsps
Converter
AT76CL610
Preliminary
Specification
Summary
For more information,
please contact hotline-
bdc@gfo.atmel.com
Rev. 2158ASBDC12/02
Printed on recycled paper.
© Atmel Corporation 2002.
Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company's standard warranty
which is detailed in Atmel's Terms and Conditions located on the Company's web site. The Company assumes no responsibility for any errors
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not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are granted
by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel's products are not authorized for use as critical
components in life support devices or systems.
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