max9934faua Maxim Integrated Products, Inc., max9934faua Datasheet - Page 6

• Manufacturer Part Number: max9934faua
• Description: High-precision, Low-voltage, Current-sense Amplifier With Current Output And Chip Select For Multiplexing
• Manufacturer: Maxim Integrated Products, Inc.

High-Precision, Low-Voltage, Current-Sense Amplifier
with Current Output and Chip Select for Multiplexing
(V
V
6
CC
CC
_______________________________________________________________________________________
/2 for bidirectional operation. T
= 3.3V, V
-0.5
-1.0
-1.5
-2.0
300
250
200
150
100
160
140
120
100
2.0
1.5
1.0
0.5
50
80
60
40
0
0
RS+
-40
-40
0
GAIN = 5µA/mV
BIDIRECTIONAL
-25
= V
100
-10 5 20
RS-
-20
V
CM
MAX9934F
SUPPLY CURRENT
vs. TEMPERATURE
V
= 3.0V, V
200
TEMPERATURE (°C)
OUT
= 0V
V
REF
V
V
OH
SENSE
I
vs. V
OH
35 50 65 80 95 110 125
= 1.65V
300
V
vs. I
0
(µA)
CM
MAX9934T
(mV)
A
SENSE
= 5.5V
SENSE
OH
= +25°C, unless otherwise noted.)
GAIN = 25µA/mV
400
20
= 0V, C
500
600
40
Typical Operating Characteristics (continued)
L
= 1000pF, R
OUT
= 10kΩ to GND for unidirectional operation, R
100pA
10nA
10pA
1nA
1pA
160
140
120
100
80
60
40
5
4
3
2
1
0
-0.1
-40
0
-25
0.6
V
vs. TEMPERATURE (V
-10 5 20
OUT
20
1.3
V
RS+ BIAS CURRENT
CM
SUPPLY CURRENT
T
vs. V
G = 25FA/mV
A
TEMPERATURE (°C)
= 0V
= +25°C AND -40°C
V
2.0
V
SENSE
CM
40
vs. V
SENSE
V
35 50 65 80 95 110 125
= 5.5V
RS+
2.7
+ V
RS+
(V)
OS
T
(V
A
60
3.4
(
OUT
F
= +125°C
G = 5FA/mV
V)
CS
< 5mV)
4.1
= 0)
OUT
80
4.8
= 10kΩ to
5.5
100