AD7173-8 데이터 시트보기 (PDF) - Analog Devices

부품명

상세내역

제조사

AD7173-8

Low Power, 8-/16-Channel, 31.25 kSPS, 24-Bit, Highly Integrated Sigma-Delta ADC

Analog Devices 

AD7173-8

Parameter

LOGIC INPUTS

Input High Voltage, VINH1

Input Low Voltage, VINL1

Hysteresis1

Leakage Currents

LOGIC OUTPUT (DOUT/RDY)

Output High Voltage, VOH1

Output Low Voltage, VOL1

Leakage Current

Output Capacitance

SYSTEM CALIBRATION1

Full-Scale Calibration Limit

Zero-Scale Calibration Limit

Input Span

POWER REQUIREMENTS

Power Supply Voltage

AVDD1 − AVSS

AVDD2 − AVSS

AVSS − DGND

IOVDD − DGND

IOVDD − AVSS

POWER SUPPLY CURRENTS

Full Operating Mode

AVDD1 Current

AVDD1 = 5 V Typical,

5.5 V Maximum

AVDD1 = 3.3 V Typical,

3.6 V Maximum1

AVDD2 Current

IOVDD Current

Standby Mode

Standby (LDO on)

Power-Down Mode

Test Conditions/Comments

2 V ≤ IOVDD ≤ 2.3 V

2.3 V ≤ IOVDD ≤ 5.5 V

2 V ≤ IOVDD ≤ 2.3 V

2.3 V ≤ IOVDD ≤ 5.5 V

IOVDD > 2.7 V

IOVDD < 2.7 V

IOVDD ≥ 4.5 V, ISOURCE = 1 mA

2.7 V ≤ IOVDD < 4.5 V, ISOURCE = 500 μA

IOVDD < 2.7 V, ISOURCE = 200 μA

IOVDD ≥ 4.5 V, ISINK = 2 mA

2.7 V ≤ IOVDD < 4.5 V, ISINK = 1 mA

IOVDD < 2.7 V, ISINK = 400 μA

Floating state

Floating state

Data Sheet

Min

Typ

0.65 × IOVDD

0.7 × IOVDD

0.08

0.04

−10

0.8 × IOVDD

0.8 × IOVDD

0.8 × IOVDD

−10

10

−1.05 × FS

0.8 × FS

Max

Unit

V

V

0.35 × IOVDD V

0.7

V

0.25

V

0.2

V

+10

µA

V

V

V

0.4

V

0.4

V

0.4

V

+10

µA

pF

1.05 × FS

V

V

2.1 × FS

V

For AVSS < DGND

All outputs unloaded

3.0

2

−2.75

2

5.5

V

5.5

V

0

V

5.5

V

6.35

V

AIN± and REF± buffers disabled; external

reference

AIN± and REF± buffers disabled; internal

reference

AIN± and REF± buffers enabled; external

reference

Each enabled buffered pair: AIN+, AIN− and

REF+, REF−

AIN± and REF± buffers disabled; external

reference

AIN± and REF± buffers disabled; internal

reference

AIN± and REF± buffers enabled; external

reference

Each enabled buffered pair: AIN+, AIN− and

REF+, REF−

External reference

Internal reference

External clock

Internal clock

External crystal

Reference off, total current consumption

Reference on, total current consumption

Full power-down, LDO, REF±

Rev. B | Page 6 of 64

0.23

0.27

mA

0.42

0.49

mA

2.12

2.71

mA

0.945 1.22

mA

0.16

0.19

mA

0.34

0.4

mA

1.9

2.45

mA

0.87

1.13

mA

1

1.15

mA

1.25

1.4

mA

0.24

0.39

mA

0.52

0.76

mA

0.9

mA

25

µA

400

µA

2

10

µA

Share Link: