MAX9934 データシートの表示（PDF） - Maxim Integrated

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MAX9934

High-Precision, Low-Voltage, Current-Sense Amplifier with Current Output and Chip Select for Multiplexing

Maxim Integrated 

High-Precision, Low-Voltage, Current-Sense Amplifier

with Current Output and Chip Select for Multiplexing

Typical Operating Characteristics (continued)

(VCC = 3.3V, VRS+ = VRS- = 3.0V, VSENSE = 0, CL = 1000pF, ROUT = 10kΩ to GND for unidirectional operation, ROUT = 10kΩ to VCC/2

for bidirectional operation. TA = +25°C, unless otherwise noted.)

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

0

-20

-40

-60

-80

-100

-120

0.01

0.1

1.0

10

100

FREQUENCY (kHz)

OUTPUT SETTING TIME

vs. PERCENTAGE OF FINAL VALUE

1.0

±1V VOUT STEP

0.9

0.8

0.7

0.6

0.5

MAX9934T

0.4

MAX9934F

0.3

0.2

0.1

0

1.00

0.10

0.01

PERCENTAGE OF FINAL VALUE (%)

LARGE-SIGNAL INPUT STEP

RESPONSE (MAX9934F)

MAX9934 toc24

LARGE-SIGNAL INPUT STEP

RESPONSE (MAX9934T)

MAX9934 toc25

VSENSE

20mV/div

0.01% FINAL VALUE

2V

VOUT

1% FINAL VALUE

500mV/div

1V

VSENSE

5mV/div

0.01% FINAL VALUE

2V

VOUT

1% FINAL VALUE

500mV/div

1V

100µs/div

400µs/div

VCS

2V/div

VOUT

500mV/div

VOUT

500mV/div

OUTPUT SELECT TIME

MAX9934 toc26

MAX9934T

MAX9934F

1% FINAL VALUE

1V

0.1% FINAL VALUE

1% FINAL VALUE

1V

0.1% FINAL VALUE

CS DISABLED TRANSIENT RESPONSE

COUT = 10pF (MAX9934T)

MAX9934 toc27

VCS

2V/div

CL = 0

VOUT

1V/div

40Fs/div

4µs/div

8 _______________________________________________________________________________________

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