AS1524_1 datasheet(6/22 Pages) AMSCO

Part #	AS1524

Description	150ksps, 12-Bit, 1-Channel Pseudo/True-Differential and 2-Channel Single-Ended ADCs

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Manufacturer	AMSCO [ams AG]

Direct Link	http://www.ams.com

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Revision 1.02

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AS1524/AS1525

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

Digital Inputs/Outputs (CNVST, SCLK, DOUT)

VIL

Input Low Voltage

0.3VDD

V

VIH

Input High Voltage

0.7VDD

V

ILEAK

Input Leakage Current

±0.01

±1.0

µA

CIN

Input Capacitance

15

pF

VOL

Output Low Voltage

ISINK = 2mA

0.4

V

ISINK = 4mA

0.8

VOH

Output High Voltage

ISOURCE = 1.5mA

0.7VDD

V

Tri-State Leakage Current

CNVST = GND

±0.05

±5

µA

Tri-State Output Capacitance

CNVST = GND

15

pF

Power Requirements

VDD

Positive Supply Voltage

2.7

5.25

V

IDD

Positive Supply Current

VDD = +3V, fSAMPLE = 150ksps

350

425

µA

VDD = +3V, fSAMPLE = 100ksps

245

VDD = +3V, fSAMPLE = 10ksps

24

VDD = +3V, fSAMPLE = 1ksps

2.5

VDD = +5V, fSAMPLE = 150ksps

485

550

VDD = +5V, fSAMPLE = 100ksps

330

VDD = +5V, fSAMPLE = 10ksps

33

VDD = +5V, fSAMPLE = 1ksps

3.7

Automatic Shutdown Mode

0.2

1

PSR

Power Supply Rejection

VDD = +5V ±5%, Full Scale Input

±0.3

mV

VDD = +2.7V to 3.6V, Full Scale Input

±0.4

1. Offset nulled.

2. The absolute input voltage range for the analog inputs is from GND to VDD.

Table 4. Electrical Characteristics (Continued)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

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