MAX1401(1999) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1401
(Rev.:1999)

+3V, 18-Bit, Low-Power, Multichannel, Oversampling (Sigma-Delta) ADC

Maxim Integrated 

+3V, 18-Bit, Low-Power, Multichannel,

Oversampling (Sigma-Delta) ADC

ELECTRICAL CHARACTERISTICS (continued)

(V+ = +2.7V to +3.6V, VDD = +2.7V to +3.6V, VREFIN+ = +1.25V, REFIN- = AGND, fCLKIN = 2.4576MHz, TA = TMIN to TMAX, unless

otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

AIN and REFIN Input Sampling

Frequency

fS

(Table 15)

Hz

REFIN+ - REFIN- Voltage

(Note 15)

LOGIC INPUTS

Input Current

IIN

Input Low Voltage

VIL

Input High Voltage

Input Hysteresis

LOGIC OUTPUTS

Output Low Voltage (Note 16)

VIH

VHYS

VOL

Output High Voltage (Note 16)

VOH

Floating-State Leakage Current

IL

Floating-State Output

Capacitance

CO

TRANSDUCER BURN-OUT (Note 17)

Current

IBO

Initial Tolerance

Drift

POWER REQUIREMENTS

V+ Voltage

V+

VDD Voltage

VDD

Power-Supply Rejection V+

(Note 18)

PSR

±5% for specified performance; functional

with lower VREF

All inputs except CLKIN

CLKIN only

All inputs except CLKIN

CLKIN only

All inputs except CLKIN

DOUT and INT, ISINK = 100µA

CLKOUT, ISINK = 10µA

DOUT and INT, ISOURCE = 100µA

CLKOUT, ISOURCE = 10µA

For specified performance

1.25

V

-10

+10

µA

0.4

V

0.4

2

V

2.4

200

mV

VDD - 0.3

VDD - 0.3

-10

9

0.4

V

0.4

V

10

µA

pF

0.1

±10

±0.05

µA

%

%/°C

2.7

3.6

V

2.7

3.6

V

(Note 19)

dB

4 _______________________________________________________________________________________

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