µA

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

with 3V Digital Interface

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

Operating mode

mA

1.5

2.5

Internal compensation mode

full-scale input

mV

±0.06

±0.5

V

Fast power-down (Note 9)

30

70

External compensation mode

MAX1202

MAX1202

CONDITIONS

2.70

5.25

VL

Logic Supply Voltage

µA

10

Logic Supply Current (Notes 6, 10)

PSR

Positive Supply Rejection

(Note 11)

full-scale input

mV

±0.01

±0.5

PSR

Negative Supply Rejection

(Note 11)

External reference, 4.096V; full-scale input

mV

±0.06

±0.5

PSR

Logic Supply Rejection

(Note 12)

µA

µF

0

Capacitive Bypass at REF

V

0 or -5 ±5%

Negative Supply Voltage

V

5 ±5%

Positive Supply Voltage

4.7

1.68

±50

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

MAX1203

V/V

1.64

Reference-Buffer Gain

MAX1203

µA

±5

REFADJ Input Current

Full power-down

10

Operating mode and fast power-down

µA

50

Negative Supply Current

Full power-down (Note 9)

µA

210

Positive Supply Current

EXTERNAL REFERENCE AT REFADJ

POWER REQUIREMENTS