AS1530-T datasheet(8/29 Pages) AMSCO

Part #	AS1530-T

Description	12-Bit, Single-Supply, Low-Power, 400/300ksps, 8-Channel A/D Converters

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Manufacturer	AMSCO [ams AG]

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AS1530/AS1531

Data Sheet - El ectrical Characte ristics

TCVREF

REF Output

Temperature Coefficient

±25

ppm/

°C

Load Regulation

7

0 to 0.75mA output load

0.6

2.0

mV/

mA

CBYPREF

Capacitive Bypass at REF

4.7

10

µF

CBYPREF

ADJ

Capacitive Bypass

at REFADJ

0.01

10

µF

REFADJ Output Voltage

1.22

V

REFADJ Input Range

For small adjustments, from 1.22V

±100

mV

REFADJ Buffer

Disable Threshold

To power down the internal reference

1.4

VDD1

- 1

V

Buffer Voltage Gain

2.045

V/V

External Reference: Reference buffer disabled, reference applied to REF

REF Input Voltage Range

8

1.0

VDD1 +

50mV

V

REF Input Current

VREF = 2.50V, fSCLK= 4.8MHz

200

350

µA

VREF = 2.50V, fSCLK = 0

320

In power-down, fSCLK = 0

5

Digital Inputs: DIN, SCLK, CSN

VINH

Input High Voltage

0.7 x

VDD

V

VINL

Input Low Voltage

0.3 x

VDD

V

VHYST

Input Hysteresis

0.8

V

IIN

Input Leakage

VIN = 0 or VDD2

-1

+1

µA

CIN

Input Capacitance

5

pF

Digital Outputs: DOUT, SSTRB

VOL

Output Voltage Low

ISINK = 5mA

0.45

V

VOH

Output Voltage High

ISOURCE = 0.5mA

VDD2 -

0.5V

V

IL

Tri-State Leakage Current

CSN = VDD2

-10

+10

µA

COUT

Tri-State Output

Capacitance

CSN = VDD2

5pF

Power Supply

VDD1,

VDD2,

VDD3

Positive Supply Voltage

9

2.7

3.6

V

IVDD1,

IVDD2,

IVDD3

Supply Current

VDD1 = VDD2 =

VDD3 = 5.5V

Normal Operation

with External

Reference

10

2.2

2.7

Normal Operation

with Internal

Reference

10

2.7

3.2

mA

Reduced-Power

Mode

11

0.4

0.8

Full Power-Down

Mode

11

0.5

2

µA

PSR

Power-Supply Rejection

VDD1 = VDD2 = VDD3

= 2.7 to 3.6V,

Mid-Scale Input

-2

±0.1

+2

mV

1. Tested at VDD1 = VDD2 = VDD3 = +3V; COM = GND; bit RANGE (page 15) = 1, single-ended input mode.

Table 4. AS1531 Electrical Characteristics (Continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Similar Part No. - AS1530-T

Manufacturer	Part #	Datasheet	Description
ams AG	AS1530-T	980Kb / 29P	12-Bit, Single-Supply, Low-Power, 400/300ksps A/D Converters

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