Datasheet

MAX9939
SPI Programmable-Gain Amplifier
with Input V
OS
Trim and Output Op Amp
13
Maxim Integrated
R
I
A
V
CC
V
CC
/2
20kΩ
20kΩ
V
CC
V
CC
/2
20kΩ
20kΩ
LVL
V
CC
V
CC
/2
20kΩ
20kΩ
10kΩ
10kΩ
10kΩ
INA+
INA-
B
R
F
SCLK
SPI REGISTERS
GND
DIN CS
V
CC
GAIN SHUTDOWN
INPUT
OFFSET-
VOLTAGE
TRIM
MAX9939
OUTA
INB
OUTB
Functional Diagram