MAX189BCPA Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

Fabricante

MAX189BCPA

+5V, Low-Power, 12-Bit Serial ADCs

Maxim Integrated 

+5V, Low-Power, 12-Bit Serial ADCs

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +5V ±5%; GND = 0V; unipolar input mode; 75ksps, fCLK = 4.0MHz, external clock (50% duty cycle); MAX187—internal

reference: VREF = 4.096V, 4.7µF capacitor at REF pin, or MAX189—external reference: VREF = 4.096V applied to REF pin, 4.7µF

capacitor at REF pin; TA = TMIN to TMAX; unless otherwise noted.)

PARAMETER

SYMBOL

DIGITAL INPUTS (SCLK, CS, SHDN)

CONDITIONS

SCLK, CS Input High Voltage

SCLK, CS Input Low Voltage

SCLK, CS Input Hysteresis

SCLK, CS Input Leakage

SCLK, CS Input Capacitance

SHDN Input High Voltage

SHDN Input Low Voltage

SHDN Input Current

SHDN Input Mid Voltage

SHDN Voltage, Floating

SHDN Maximum Allowed

Leakage, Mid Input

VINH

VINL

VHYST

IIN

CIN

VINSH

VINSL

IINS

VIM

VFLT

VIN = 0V or VDD

(Note 4)

SHDN = VDD or 0V

SHDN = open

SHDN = open

DIGITAL OUTPUT (DOUT)

Output Voltage Low

Output Voltage High

Three-State Leakage Current

Three-State Output

Capacitance

VOL

VOH

IL

COUT

ISINK = 5mA

ISINK = 16mA

ISOURCE = 1mA

CS = 5V

CS = 5V (Note 4)

POWER REQUIREMENTS

Supply Voltage

Supply Current

VDD

Operating mode

IDD

Power-down mode

MAX187

MAX189

MIN

TYP

MAX UNITS

2.4

V

0.8

V

0.15

V

±1

µA

15

pF

VDD - 0.5

V

0.5

V

±4.0

µA

1.5

VDD -1.5

V

2.75

V

-100

100

nA

0.4

V

0.3

4

V

±10

µA

15

pF

4.75

1.5

1.0

2

5.25

V

2.5

mA

2.0

10

µA

Power-Supply Rejection

PSR VDD = +5V, ±5%; external reference, 4.096V;

full-scale input (Note 6)

±0.06

±0.5

mV

4 _______________________________________________________________________________________

Share Link: