MAX128ACAI 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

MAX128ACAI

Multirange, +5V, 12-Bit DAS with 2-Wire Serial Interface

Maxim Integrated 

Multirange, +5V, 12-Bit DAS with

2-Wire Serial Interface

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +5V ±5%; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7µF at REF pin; external clock, fCLK = 400kHz;

TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

REFERENCE INPUT (buffer disabled, reference input applied to REF)

Input Voltage Range

Input Current

VREF =

4.18V

Normal, or STANDBY

power-down mode

FULL power-down mode

Input Resistance

REFADJ Threshold for

Buffer Disable

POWER REQUIREMENTS

Normal or STANDBY power-down mode

FULL power-down mode

Supply Voltage

VDD

Normal mode, bipolar ranges

Supply Current

Normal mode, unipolar ranges

IDD

STANDBY power-down mode (Note 6)

FULL power-down mode

Power-Supply Rejection Ratio

(Note 7)

PSRR

External reference = 4.096V

Internal reference

TIMING

External Clock Frequency Range fCLK

Conversion Time

tCONV

Throughput Rate

MIN TYP MAX UNITS

2.4

10

5

VDD - 0.5

4.18

V

400

µA

1

kΩ

MΩ

V

4.75

5.25

V

18

mA

6

10

700

850

µA

120

220

±0.1 ±0.5

LSB

±0.5

0.4 MHz

6.0

7.7

10.0

µs

8

ksps

Bandgap Reference

Start-Up Time

Reference Buffer Settling Time

DIGITAL INPUTS (SHDN, A2, A1, A0)

Input High Threshold Voltage

VIH

Input Low Threshold Voltage

VIL

Input Leakage Current

IIN

Input Capacitance

CIN

Input Hysteresis

VHYS

Power-up (Note 8)

To 0.1mV, REF bypass CREF = 4.7µF

capacitor fully discharged CREF = 33µF

VIN = 0 or VDD

(Note 4)

200

µs

8

ms

60

2.4

V

0.8

V

±0.1 ±10 µA

15

pF

0.2

V

4 _______________________________________________________________________________________

Share Link: