MAX1203ACAP-T Просмотр технического описания (PDF) - Maxim Integrated

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MAX1203ACAP-T

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

Maxim Integrated 

MAX1202/MAX1203

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

EXTERNAL REFERENCE AT REFADJ

Capacitive Bypass at REF

Internal compensation mode

External compensation mode

Reference-Buffer Gain

MAX1202

MAX1203

REFADJ Input Current

MAX1202

MAX1203

POWER REQUIREMENTS

Positive Supply Voltage

VDD

Negative Supply Voltage

VSS

MIN TYP MAX UNITS

0

µF

4.7

1.68

V/V

1.64

±50

µA

±5

5 ±5%

V

0 or 5

±5%

V

Operating mode

1.5 2.5

mA

Positive Supply Current

Negative Supply Current

Logic Supply Voltage

Logic Supply Current (Notes 6, 10)

Positive Supply Rejection (Note 11)

IDD

ISS

VL

IL

PSR

Fast power-down (Note 9)

Full power-down (Note 9)

Operating mode and fast power-down

Full power-down

VL = VDD = 5V

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

full-scale input

30 70

µA

2

10

50

µA

10

2.70

5.25

V

10

µA

±0.06 ±0.5 mV

Negative Supply Rejection (Note 11)

Logic Supply Rejection (Note 12)

PSR

PSR

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

full-scale input

External reference, 4.096V; full-scale input

±0.01 ±0.5 mV

±0.06 ±0.5 mV

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