User Manual

MAX1377/MAX1379/MAX1383
Dual, 12-Bit, 1.25Msps Simultaneous-Sampling
ADCs with Serial Interface
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MUX
MUX
12-BIT
SAR
ADC2
REF
REFSEL
RGND
SEL
AGND
DGND
DOUT2
SCLK
CNVST
DOUT1
OUTPUT
BUFFER
OUTPUT
BUFFER
INTERNAL
REFERENCE
CONTROL
LOGIC
SERIAL
INTERFACE
AND TIMING
V
L
T/H
AIN1A
AIN1B
AIN2A
AIN2B
T/H
U/B
S/D
V
L
AVDD
A = 1
12-BIT
SAR
ADC1
MAX1377
MAX1379
MAX1383
CS
Functional Diagram
PART SUPPLY VOLTAGE (V)
INTERNAL
REFERENCE
VOLTAGE (V)
INPUT VOLTAGE
RANGE
SAMPLING RATE
(Msps)
MAX1377 2.7 to 3.6 2.048 0 to V
REF,
±V
REF
/2 1.25
MAX1379 4.75 to 5.25 4.096 0 to V
REF,
±V
REF
/2 1.25
MAX1383 4.75 to 5.25 2.5 ±10V 1.25
Selector Guide