MAX1452_09 Datasheet, PDF (5/25 Pages) Maxim Integrated Products – Low-Cost Precision Sensor Signal Conditioner

(V_DD = +5V, T_A = +25°C, unless otherwise noted.)
OFFSET DAC DNL
5.0
2.5
0
-2.5
-5.0
0
10k 20k 30k 40k 50k 60k 70k
DAC CODE
Low-Cost Precision Sensor
Signal Conditioner
Typical Operating Characteristics
AMPLIFIER GAIN NONLINEARITY
5.0
ODAC = 6250hex
OTCDAC = 0
FSODAC = 4000hex
2.5 FSOTCDAC = 8000hex
PGA INDEX = 0
IRO = 2
0
-2.5
OUTPUT NOISE
-5.0
-50 -40 -30 -20 -10 0 10 20 30 40 50
INPUT VOLTAGE [INP - INM] (mV)
OUT
10mV/div
PIN
SSOP/TSSOP
1
TQFN-EP
1
2
2
3
3
4
4
5
5
6
6
7
7
—
8, 9, 13, 16, 20, 22,
23, 24
8
10
400μs/div
C = 4.7μF, R_LOAD = 1kΩ
Pin Description
NAME
FUNCTION
ISRC
OUT
V_SS
INM
BDR
INP
V_DD
N.C.
TEST
Bridge Drive Current Mode Setting
High ESD and Scan Path Output Signal. May need a 0.1µF capacitor, in
noisy environments. OUT may be parallel connected to DIO.
Negative Supply Voltage
Bridge Negative Input. Can be swapped to INP by configuration register.
Bridge Drive
Bridge Positive Input. Can be swapped to INM by configuration register.
Positive Supply Voltage. Connect a 0.1µF capacitor from V_DD to V_SS.
No Connection. Not internally connected; leave unconnected (TQFN
package only).
Internally Connected. Connect to V_SS.
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