MAX9922EUB(2009) View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

MAX9922EUB
(Rev.:2009)

Ultra-Precision, High-Side Current-Sense Amplifiers

Maxim Integrated 

Ultra-Precision, High-Side

Current-Sense Amplifiers

ELECTRICAL CHARACTERISTICS (continued)

(VRSB = VRS+ = VRS- = +12V, VDD = +3.3V, VGND = 0, VREF = VDD/2 for bidirectional, VREF = 0 for unidirectional, VSENSE = VRS+ - VRS- = 0,

MAX9922 is set for AV =100V/V (R1 = 1kΩ, R2 = 99kΩ), SHDN = VDD, TA = -40°C to +85°C, unless otherwise noted. Typical values are at

TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

AC CHARACTERISTICS

MAX9922

-3dB Small-Signal Bandwidth

Slew Rate

OUT Settling Time to 1% of

Final Value

VSENSE = 10mVP-P

BW

MAX9923T

MAX9923H

VSENSE = 5mVP-P

MAX9923F

SR

ΔVOUT = 2V, CLOAD = 100pF

MAX9922

CLOAD = 7pF

MAX9923T

MAX9923H

MAX9923F

Input-Voltage Noise

Peak-to-Peak

fO = 0.1Hz to 10Hz

Autozeroing Clock Frequency

Capacitive-Load Stability

fC

Pseudo-random

No sustained oscillations

POWER-SUPPLY CHARACTERISTICS

Supply Voltage Range

VDD Guaranteed by PSRR

Power-Supply Rejection Ratio

PSRR 2.85V ≤ VDD ≤ 5.5V, -40°C ≤ TA ≤ +85°C

(Note 2)

Quiescent Supply Current

Shutdown Supply Current

IDD

IRSB

IDD_SD

IRSB_SD

VDD = 5.0V

VDD = 3.0V

VRSB = 12V

V SHDN = 0.3V

V SHDN = 0.3V, VRSB = 28V

Power-Down Input Current

IRS+L,

IRS-L

VDD = VREF = 0, VRSB = VRS+ = VRS- = 28V

MIN TYP MAX UNITS

10

50

kHz

10

2.5

0.4

V/µs

200

100

µs

200

400

3.4

µVP-P

20

kHz

200

pF

2.85

5.50

V

93

99

dB

780 1300

700 1500

µA

200

300

0.05

1

µA

0.05

1

0.01

0.1

µA

4 _______________________________________________________________________________________

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