MAX1101 Datasheet, PDF (1/12 Pages) Maxim Integrated Products – Single-Chip, 8-Bit CCD Digitizer with Clamp and 6-Bit PGA

19-1166; Rev 0; 12/96
Single-Chip, 8-Bit CCD Digitizer
with Clamp and 6-Bit PGA
_______________General Description
The MAX1101 is a highly integrated IC designed pri-
marily for digitizing the output of a linear CCD array. It
provides the components required for all necessary
analog functions, including clamp circuitry for black-
level correction or correlated double sampling (CDS), a
three-input multiplexer (mux), and an 8-bit analog-to-
digital converter (ADC).
The MAX1101 operates with a sample rate up to 1MHz
and with a wide range of linear CCDs. The logic inter-
face is serial, and a single input sets the bidirectional
data line as either data in or data out, thus minimizing
the I/O pins required for communication.
Packaged in a 24-pin SO, the MAX1101 is available in
the commercial (0°C to +70°C) temperature range.
____________________________Features
o 1.0 Million Pixels/sec Conversion Rate
o Built-In Clamp Circuitry for Black-Level
Correction or Correlated Double Sampling
o 64-Step PGA, Programmable from Gain = -2 to -10
o Auxiliary Mux Inputs for Added Versatility
o Compatible with a Large Range of CCDs
o 8-Bit ADC Included
o Space-Saving, 24-Pin SO Package
________________________Applications
Scanners
Fax Machines
Digital Copiers
CCD Imaging
______________Ordering Information
PART
MAX1101CWG
TEMP. RANGE
0°C to +70°C
PIN-PACKAGE
24 Wide SO
Pin Configuration appears on last page.
___________________________________________________Typical Operating Circuit
CCD
ARRAY
C_EXT
0.047µF
0.1µF
12
AUXILIARY
ANALOG INPUTS
1 _GND
GND ²⁴
2 _CCDIN
3
GND
4 _AIN1
5 _GND
MAX1101 _VDD ²³
22
CLAMP
VIDSAMP ²¹
20
LOAD
6 _AIN2
7 _GND
11 _REFGND
DATA ¹⁹
SCLK ¹⁸
17
MODE
GND ¹⁶
V_DD ¹⁵
REFBIAS ¹⁴
12
REF-
13
REF+
0.1µF
+5V DC (SUPPLY)
µP/µC/
STATE LOGIC
+5V DC (REFERENCE)
0.1µF
________________________________________________________________ Maxim Integrated Products 1
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