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

with 3V Digital Interface

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3

ELECTRICAL CHARACTERISTICS (continued)

MAX1202AC

External clock, 2MHz, 12 clocks/conversion

(Note 6)

6

Used for data transfer only

Internal compensation mode (Note 6)

Internal clock

MAX1202AE

External compensation mode

External compensation mode, 4.7µF

±30

±60

CONDITIONS

ppm/°C

±30

±50

mA

30

REF Short-Circuit Current

V

4.076

4.096

4.116

REF Output Voltage

pF

16

Input Capacitance

µA

±0.01

±1

Multiplexer Leakage Current

4.7

V

Input Voltage Range, Single-

Ended and Differential (Note 7)

0

2.0

±30

0.1

0.4

MAX1202B

µF

MHz

0.1

2.0

External Clock Frequency Range

MHz

1.7

Internal Clock Frequency

0.01

0mA to 0.5mA output load

mV

2.5

Load Regulation (Note 8)

ns

10

Aperture Delay

µs

1.5

Track/Hold Acquisition Time

µs

5.5

10

Conversion Time (Note 5)

Internal compensation mode

µF

0

Capacitive Bypass at REF

Capacitive Bypass at REFADJ

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

ps

%

±1.5

REFADJ Adjustment Range

V

2.50

50mV

Input Voltage Range

µA

200

350

Input Current

k

Ω

12

20

Input Resistance

SHDN = 0V

µA

1.5

10

REF Input Current in Shutdown

V

50mV

REFADJ Buffer Disable Threshold

<50

Aperture Jitter

CONVERSION RATE

INTERNAL REFERENCE (MAX1202 only, reference-buffer enabled)

ANALOG INPUT