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AS1544-BTST

8/4-Channel, 1 Msps, 12-Bit ADC with Sequencer

austriamicrosystems AG 

AS1543/44

Data Sheet - Electrical Characteristics

Table 3. Electrical Characteristics (Continued)

Symbol

Parameter

Condition

Conversion Rate

tCONV

Conversion Time

16 SCLK Cycles, SCLK = 20MHz

Track-and-Hold Acquisition

Time

Throughput Rate

Aperture Delay

Aperture Jitter

Analog Input

Bit RANGE = 1

VINx

Input Voltage Ranges Bit SE/FDN = 1

Bit RANGE = 0

VINx - VINy

Differential Input Voltage

Ranges

Bit SE/FDN = 0

Bit RANGE = 1

Bit RANGE = 0

VCMIN

Input Common Mode

Voltage

DC Leakage Current

Input Capacitance

Reference Input

REFIN Input Voltage1

DC Leakage Current

REFIN Input Impedance

Digital Inputs: CSN, SCLK, DIN

VIH

Input High Voltage

Bit SE/FDN = 0

Bit RANGE = 1

Bit RANGE = 0

2.5V ±1% for Specified Performance

fSAMPLE = 1Msps

VIL

Input Low Voltage

IIN

Input Current,

CIN

Input Capacitance

Digital Output: DOUT

VOH

Output High Voltage

VOL

Output Low Voltage

Floating-State

Leakage Current

Floating-State

Output Capacitance

Output Coding

VIN = 0V or VDRIVE

ISOURCE = 200µA; VDD = 2.7 to 5.25V

ISINK = 200µA

Bit WEAK/TRIN (page 14) set to 0

Bit WEAK/TRIN set to 0

Bit CODING (page 14) set to 1

Bit CODING set to 0

Min Typ Max Unit

800 ns

300 ns

1 Msps

4

ns

50

ps

0

0

-VREFIN/

2

-VREFIN

VREFIN/2

VREFIN

-1

20

VREFIN

2x

V

VREFIN

VREFIN/

2

V

VREFIN

VDD -

VREFIN/

2

V

VDD -

VREFIN

+1 µA

pF

1

VDD

V

±1 µA

44

kΩ

0.7 x

VDRIVE

V

0.3 x

VDRIVE

V

-1

+1 µA

5

pF

VDRIVE

- 0.2

-1

V

0.4

V

+1 µA

10

pF

Straight (natural) binary

Two’s complement

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