MAX1202ACAP(1998) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1202ACAP
(Rev.:1998)

5V, 8-Channel, Serial, 12-Bit ADCs with 3V Digital Interface

Maxim Integrated 

5V, 8-Channel, Serial, 12-Bit ADCs

with 3V Digital Interface

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +5V ±5%, VL = 2.7V to 3.6V; VSS = 0V or -5V ±5%; fSCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion

cycle (133ksps); MAX1202—4.7µF capacitor at REF pin; MAX1203—external reference, VREF = 4.096V applied to REF pin;

TA = TMIN to TMAX; unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

EXTERNAL REFERENCE AT REFADJ

Internal compensation mode

0

Capacitive Bypass at REF

µF

External compensation mode

4.7

Reference-Buffer Gain

MAX1202

MAX1203

1.68

V/V

1.64

REFADJ Input Current

MAX1202

MAX1203

±50

µA

±5

POWER REQUIREMENTS

µA

Positive Supply Voltage

VDD

5 ±5%

V

Negative Supply Voltage

VSS

0 or -5 ±5%

V

Operating mode

1.5

2.5

mA

Positive Supply Current

IDD Fast power-down (Note 9)

Full power-down (Note 9)

30

70

µA

µA

2

10

Negative Supply Current

Operating mode and fast power-down

ISS

Full power-down

50

µA

10

Logic Supply Voltage

VL

2.70

5.25

V

Logic Supply Current (Notes 6, 10) IVL

VL = VDD = 5V

10

µA

Positive Supply Rejection

(Note 11)

PSR

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

full-scale input

±0.06 ±0.5 mV

Negative Supply Rejection

(Note 11)

PSR

VSS = -5V ±5%; external reference, 4.096V;

full-scale input

±0.01 ±0.5 mV

Logic Supply Rejection

(Note 12)

PSR External reference, 4.096V; full-scale input

±0.06 ±0.5 mV

4 _______________________________________________________________________________________

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