MAX9938WEBS+T Maxim Integrated, MAX9938WEBS+T Datasheet - Page 4

• Manufacturer Part Number: MAX9938WEBS+T
• Description: Current Sense Amplifiers 1 A 4-Bump UCSP/SOT23 Precision Current-Sense Amplifier
• Manufacturer: Maxim Integrated
• Series: MAX9938r

Specifications of MAX9938WEBS+T

• Input Offset Voltage: 500 uV
• Supply Voltage - Max: 28 V
• Supply Voltage - Min: 1.6 V
• Supply Current: 1 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: UCSP-4
• Bandwidth: 125 KHz
• Maximum Power Dissipation: 238 mW
• Output Voltage: 0.2 V

1µA, 4-Bump UCSP/SOT23,
Precision Current-Sense Amplifier
(V
4
RS+
-0.1
-0.2
-0.3
-0.4
-0.5
_______________________________________________________________________________________
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
0
0
= V
0
0
RS-
vs. COMMON-MODE VOLTAGE
V
5
= 3.6V, T
20
SENSE
V
OUT
V
(SUPPLY = 1.6V)
10
OUT
GAIN ERROR
VOLTAGE (V)
40
V
SENSE
SMALL-SIGNAL PULSE RESPONSE
G = 50
vs. V
A
15
G = 100
= +25°C, unless otherwise noted.)
(mV)
G = 25
SENSE
60
20
(GAIN = 100)
20μs/div
80
25
100
30
MAX9938 toc13a
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
Typical Operating Characteristics (continued)
-10
-15
-20
-25
-30
-5
5
0
0
1Hz
-40
15mV
10mV
1.5V
1V
10Hz
-15
A
SMALL SIGNAL GAIN
A
vs. TEMPERATURE
V
V
100Hz
vs. FREQUENCY
= 100V/V
TEMPERATURE (°C)
= 25V/V
FREQUENCY (kHz)
GAIN ERROR
10
A
V
1kHz
= 50V/V
35
10kHz
100kHz
60
V
1MHz
SENSE
V
85
OUT
SMALL-SIGNAL PULSE RESPONSE
-100
-120
-140
-160
-20
-40
-60
-80
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
1Hz
0
(GAIN = 50)
10Hz
25μs/div
G = 25
100Hz
V
(SUPPLY = 3.6V)
vs. FREQUENCY
50
OUT
FREQUENCY (kHz)
G = 50
V
G = 50
SENSE
vs. V
CMRR
G = 100
1kHz
MAX9938 toc13b
(mV)
SENSE
10kHz
100
G = 25
30mV
20mV
1.5V
1V
100kHz
G = 100
1MHz
150