EVAL1401/AB 데이터 시트보기 (PDF) - STMicroelectronics

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EVAL1401/AB

14-BIT, 20MSPS, 85mW A/D CONVERTER

STMicroelectronics 

TSA1401

ELECTRICAL CHARACTERISTICS

Symbol

Parameter

RrefO Reference output impedance

External Reference Voltage

Symbol

Parameter

VREFP

VREFM

VINCM

RrefI

Vpol

Forced Top reference voltage

Bottom reference voltage

Forced common mode voltage

Reference input impedance

Analog bias voltage

Test conditions

Min Typ Max Unit

REFMODE=’0’: int references

18.7

Ω

Test conditions

REFMODE=’1’

REFMODE=’1’

Min Typ Max Unit

0.8

1.3

V

0

0.2

V

0.4

1

V

7.5

kΩ

1.22 1.27 1.34

V

Power Consumption

Symbol

Parameter

Test conditions

ICCA Analog Supply current

REFMODE=’0’

REFMODE=’1’

ICCD Digital Supply Current

ICCBI Digital Buffer Supply Current

ICCBE Digital Buffer Supply Current

ICCBEZ Digital Buffer Supply Current in High

Impedance Mode

Pd

Power consumption in normal opera- REFMODE=’0’

tion mode

REFMODE=’1’

PdZ

Power consumption in High Imped- REFMODE=’0’

ance mode

REFMODE=’1’

Rthja

Thermal resistance (TQFP48)

1) Typical values have been measured using the evaluation board on a dedicated test bench.

Min

Typ

40

30

595

1

2.3

10

110

851

104

791

80

Max Unit

mA

37

700

µA

1.5

mA

6

mA

150

µA

mW

110

mW

96

°C/W

6/19

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