MAX12900 datasheet(4/31 Pages) MAXIM

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VCCI = +3.0V to +5.5V, VGND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C, VCCI = +3.3V.

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

VOLTAGE REFERENCE 2.5V

STATIC

Supply Voltage

VCCI

Guaranteed by line regulation test

3.0

5.5

VCCI Line Regulation

∆VREF/

∆VCCI

3.0V ≤ VCCI ≤ 5.5V

140

µV/V

VCC Line Regulation

∆VREF/

∆VCC

4.3V ≤ VCC ≤ 36V, VCCI = 3.3V

1.2

nV/V

Output Voltage

VOUT

TA = +25°C

2.495

2.500

2.505

Output Voltage

Temperature Coefficient

TCVOUT

CREF = 2nF (Note 2)

ppm/°C

Temperature Hysteresis

∆VREF/

Cycle

CREF = 2nF

-140

ppm

Load Regulation

∆VREF/

∆IOUT

Sourcing 0V ≤ IOUT ≤ 500 µA

0.14

0.6

µV/µA

Short-Circuit Current

ISC

Short to GND

Maximum Capacitive

Load

CREF

DYNAMIC

VCCI Ripple Rejection

VREF/

VCCI

VCCI = 3.3V, f = 120Hz

VCC Ripple Rejection

VREF/

VCC

VCC = 12V, VCCI = 3.3V, f = 120Hz

160

Turn-On Settling Time

From 90% of VCCI to within 0.1% of VREF,

CREF = 2nF

µs

Noise Voltage

eREF

0.1Hz to 10Hz

µVp-p

10Hz to 10kHz

125

µVRMS

MAX12900

Ultra-Low-Power 4-20mA Sensor Transmitter

www.maximintegrated.com

Maxim Integrated │ 4

Electrical Characteristics

Voltage Reference

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