MAX189BCSLASHD datasheet(3/20 Pages) MAXIM

3 / 20 page

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CONVERSION RATE

Conversion Time

tCONV

5.5

8.5

µs

Track/Hold Acquisition Time

tACQ

1.5

µs

Throughput Rate

External clock, 4MHz, 13 clocks

ksps

Aperture Delay

tAPR

Aperture Jitter

<50

ANALOG INPUT

Input Voltage Range

0 to VREF

Input Capacitance (Note 4)

INTERNAL REFERENCE (MAX187 only, reference buffer enabled)

REF Output Voltage

VREF

TA = +25°C

4.076

4.096

4.116

MAX187_C

4.060

4.132

TA = TMIN to TMAX

MAX187_E

4.050

4.140

MAX187_M

4.040

4.150

REF Short-Circuit Current

MAX187AC/BC

±30

±50

REF Tempco

MAX187AE/BE

±30

±60

ppm/°C

MAX187AM/BM

±30

±80

MAX187C

±30

Load Regulation (Note 5)

0mA to 0.6mA output load

EXTERNAL REFERENCE AT REF (Buffer disabled, VREF = 4.096V)

Input Voltage Range

2.50

VDD + 50mV

Input Current

200

350

µA

Input Resistance

Ω

Shutdown REF Input Current

1.5

µA

+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.)

MAX189BC/D Datasheet(PDF) 3 Page - Maxim Integrated Products

MAX189BC/D Datasheet(HTML) 3 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Datasheet Download

Link URL