6-Channel, 10-Bit, 40 MSPS
Data Sheet
Rev. SpA Document Feedback
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FEATURES
Six 10-bit, 40 MHz analog front-end (AFE) channels
1.8 V analog and digital core supply voltage
Serial data link with reduced range low voltage differential
signaling (LVDS) outputs
Input amplifier with −3 dB, 0 dB, +3 dB, or +6 dB gain
6 dB to 42 dB, 10-bit variable gain amplifier (VGA)
Black level clamp with variable level control
Low power consumption
APPLICATIONS
Digital copiers
Multifunction copiers
Industrial high speed scanners
GENERAL DESCRIPTION
The ADDI7006 is a highly integrated 6-channel charged-coupled
device (CCD) signal processor for high speed scanner
applications. Each channel is specified at pixel rates of up to 40
MHz, and consists of six complete analog front ends with
correlated double sampling, variable gain amplification, and 10-
bit analog-to-digital conversion. The ADDI7006 also contains a
reduced range LVDS interface for the digital data output to
reduce electromagnetic interference (EMI) concerns.
Each analog front end includes black level clamping, a VGA,
and a 40 MSPS, 10-bit analog-to-digital converter (ADC).
Operation is programmed using a 3-wire serial interface.
Packaged in a space-saving 80-lead TQFP package, the
ADDI7006 is specified over an operating temperature range of
−25°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
Figure 1.
For more information on the ADDI7006, email Analog Devices, Inc., at afe.ccd@analog.
ROP
ROM
GEP
GEM
GOP
SHP
SHD
CLPOB
DCR
GOM
AFE2
AFE3
AFE4
BEP
BEM
AFE5
BOP
BOM
AFE6
REP
REM
–3dB, 0dB, +3dB, +6dB
SHA
VGA
6dB ~ 42dB
CLAMP
ADC
AFE1
REDUCED
RANGE
LVDS
INTERFACE
GPI1 TO GPI5
SDATA
SCK SCK
CLI
RST
SL
Precision
Timing
CORE
INTERNAL CLOCKS
INTERNAL
REGISTERS
ADDI7006
NOTES
1. THE CIRCUITRY FOR AFE1 TO AFE6 IS IDENTICAL.
5
DOUT1P_A
DOUT1N_A
DOUT1P_B
DOUT1N_B
TCLK1P
TCLK1N
DOUT1P_C
DOUT1N_C
DOUT2P_A
DOUT2N_A
TCLK2P
TCLK2N
DOUT2P_B
DOUT2N_B
DOUT2P_C
DOUT2N_C
06805-001
