MAX9938 Maxim, MAX9938 Datasheet - Page 5

• Manufacturer Part Number: MAX9938
• Description: The MAX9938 high-side current-sense amplifier offers precision accuracy specifications of VOS less than 500µV (max) and gain error less than 0
• Manufacturer: Maxim

(V
RS+
UCSP
A1
A2
B1
B2
—
= V
V
V
SENSE
SENSE
V
V
RS-
OUT
OUT
= 3.6V, T
SMALL-SIGNAL PULSE RESPONSE
LARGE-SIGNAL PULSE RESPONSE
SOT23
_______________________________________________________________________________________
PIN
1, 2
—
5
4
3
A
= +25°C, unless otherwise noted.)
(GAIN = 25)
(GAIN = 50)
25μs/div
25μs/div
µDFN
2, 5
4
6
1
3
Precision Current-Sense Amplifier
MAX9938 toc13c
MAX9938 toc14b
60mV
40mV
1.5V
1V
60mV
10mV
3V
0.5V
Typical Operating Characteristics (continued)
NAME
GND
OUT
RS+
N.C.
RS-
1µA, 4-Bump UCSP/SOT23,
External Sense Resistor Power-Side Connection
External Sense Resistor Load-Side Connection
Ground
Output Voltage. V
No Connection. Not internally connected.
V
V
OUT
SENSE
SENSE
V
V
OUT
OUT
is proportional to V
LARGE-SIGNAL PULSE RESPONSE
LARGE-SIGNAL PULSE RESPONSE
FUNCTION
(GAIN = 100)
(GAIN = 25)
20μs/div
25μs/div
SENSE
Pin Description
= V
MAX9938 toc14a
MAX9938 toc14c
RS+
- V
30mV
10mV
3V
1V
120mV
20mV
3V
0.5V
RS-
.
5