Rainbow-electronics MAX1403 Bedienungsanleitung PDF herunterladen (Seite 4)

+3V, 18-Bit, Low-Power, Multichannel,

Oversampling (Sigma-Delta) ADC

4 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

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

= +2.7V to +3.6V, V

REFIN+

= +1.25V, REFIN- = AGND, f

CLKIN

= 2.4576MHz, T

= T

MIN

to T

MAX

, unless

otherwise noted. Typical values are at T

= +25°C.)

MAX1403

- 0.3

Compliance Voltage Range V

AGND

V+ -1.0

Drift Match 5

Match ±1OUT1 to OUT2

Drift 100

Initial Tolerance 15

Current I

EXC

200

- 0.3

DOUT and INT, I

SOURCE

= 100µA

Output High Voltage (Note 15) V

0.4CLKOUT, I

SINK

= 10µA

Drift ±0.05

Initial Tolerance ±10

Current I

0.1

Input High Voltage V

ppm/°C

%/°C

µA

CLKIN only

All inputs except CLKIN

2.4

REFIN+ - REFIN- Voltage

(Note 14)

1.25 V

µA

±5% for specified performance; functional

with lower V

REF

Input Low Voltage V

0.4

Floating-State Leakage Current I

-10 10

Floating-State Output

Capacitance

DOUT and INT, I

SINK

= 100µA

Output Low Voltage (Note 15) V

Input Hysteresis V

HYS

All inputs except CLKIN

CLKIN only

200

Input Current I

-10 +10

All inputs except CLKIN

0.4

PARAMETER SYMBOL MIN TYP MAX UNITS

AIN and REFIN Input Sampling

Frequency

(Table 15) Hz

CONDITIONS

CLKOUT, I

SOURCE

= 10µA

TRANSDUCER EXCITATION CURRENTS

TRANSDUCER BURN-OUT (Note 16)

LOGIC INPUTS

LOGIC OUTPUTS

Power-Supply Rejection V+

(Note 17)

PSR (Note 18)

Voltage V

2.7 3.6

V+ Voltage V+ 2.7 3.6For specified performance

POWER REQUIREMENTS

1 2 3 4 5 6 7 8 9 ... 35 36

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