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Electrical characteristics (continued) – Rainbow Electronics MAX1401 User Manual

Page 4

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MAX1401

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

4

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ELECTRICAL CHARACTERISTICS (continued)

(V+ = +2.7V to +3.6V, V

DD

= +2.7V to +3.6V, V

REFIN+

= +1.25V, REFIN- = AGND, f

CLKIN

= 2.4576MHz, T

A

= T

MIN

to T

MAX

, unless

otherwise noted. Typical values are at T

A

= +25°C.)

CONDITIONS

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

All inputs except CLKIN

0.4

µA

-10

+10

I

IN

Input Current

CLKIN only

All inputs except CLKIN

mV

200

V

HYS

Input Hysteresis

DOUT and INT, I

SINK

= 100µA

0.4

pF

9

C

O

Floating-State Output
Capacitance

µA

-10

10

I

L

Floating-State Leakage Current

V

0.4

V

IL

Input Low Voltage

±5% for specified performance; functional
with lower V

REF

V

1.25

REFIN+ - REFIN- Voltage
(Note 15)

All inputs except CLKIN

2

CLKIN only

V

2.4

V

IH

Input High Voltage

µA

0.1

I

BO

Current

%

±10

Initial Tolerance

%/°C

±0.05

Drift

Hz

(Table 15)

f

S

AIN and REFIN Input Sampling
Frequency

CLKOUT, I

SINK

= 10µA

V

0.4

V

OL

Output Low Voltage (Note 16)

CLKOUT, I

SOURCE

= 10µA

V

DD

- 0.3

DOUT and INT, I

SOURCE

= 100µA

V

DD

- 0.3

For specified performance

V

2.7

3.6

V+

V+ Voltage

V

2.7

3.6

V

DD

V

DD

Voltage

dB

(Note 19)

PSR

Power-Supply Rejection V+
(Note 18)

TRANSDUCER BURN-OUT

(Note 17)

LOGIC OUTPUTS

LOGIC INPUTS

POWER REQUIREMENTS

V

OH

Output High Voltage (Note 16)

V