AS1545-BQFT Просмотр технического описания (PDF) - austriamicrosystems AG

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AS1545-BQFT

Dual, 12-Bit, 1MSPS, SAR ADC

austriamicrosystems AG 

AS1545

Datasheet - Electrical Characteristics

Table 3. Electrical Characteristics (Continued)

Symbol

Parameter

Twos Complement Output Coding

Positive Gain Error

Positive Gain Error Match

Zero Code Error

Zero Code Error Match

Negative Gain Error

Negative Gain Error Match

Analog Input

VINx

Single Ended Input Voltage

Ranges

VINx - VINy

Pseudo Differential Input

Voltage Ranges

Condition

Fully Differential Mode

Bit RANGE = 0

Bit RANGE = 1

Bit RANGE = 0

Bit RANGE = 1

VINx &

VINy

Differential Input Voltage

Ranges

VCM

Common Mode Voltage

Leakage Current

Absolute Analog Input Voltage

Input Capacitance

Reference Input/Output

REFIN

Input Voltage Range

REFOUT Output Reference Voltage

ILEAK

Leakage Current

Input Capacitance

REFA, REFB Output

Impedance

REFOUT

TEMPCO

Reference Temperature

Coefficient

Logic Inputs

VIH

Input High Voltage

VIL

Input Low Voltage

IIN

Input Current

CIN

Input Capacitance

Logic Outputs

VOH

Output High Voltage

VOL

Output Low Voltage

Bit RANGE = 0

Bit RANGE = 1

Track Mode

Hold Mode

VDD < 5V

VDD > 5V

VIN = 0 V or VDRIVE

ISOURCE = 200µA

ISINK = 200µA

Min Typ

Max

Unit

±2

LSB

±0.5

±0.5

±5

LSB

±0.5

±2

LSB

±0.5

0

VREF

V

0

2xVREF

VCM

VCM

VCM+VREF

VCM+

V

2xVREF

VCM-

VREF/2

VCM-

VREF

VCM+

VREF/2

V

VCM+

VREF

0

VDD

V

±1

µA

0

VDD

V

15

pF

8

pF

1

2.475 2.5

30

5

30

VDD

V

2.525

V

±1

µA

pF

Ω

ppm/ºC

0.7x

VDRIVE

V

2.8

0.4

V

-1

+1

µA

5

pF

VDRIVE

- 0.2

V

0.4

V

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