AD7734 datasheet(4/32 Pages) AD

4 / 32 page

AD7734

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

BIAS0 to 3, BIASHI Pin Impedance1, 8

12.5

15.5

Ω

Input Resistor Matching

0.2

Input Resistor Temp. Coefficient

–30

ppm/°C

REFERENCE INPUTS

REFIN(+) to REFIN(–) Voltage1, 9

2.475

2.5

2.525

NOREF Trigger Voltage

0.5

NOREF Bit in Channel Status Register

REFIN(+), REFIN(–)

Common-Mode Voltage1

AVDD

Reference Input DC Current10

400

µA

SYSTEM CALIBRATION1, 11

Full-Scale Calibration Limit

+1.05

× FS

Zero-Scale Calibration Limit

–1.05

× FS

Input Span

0.8

× FS

2.1

× FS

LOGIC INPUTS

Input Current

±1

µA

Input Current CS

±10

µA

CS = DVDD

–40

µA

CS = DGND, Internal Pull-Up Resistor

Input Capacitance

VT+1

1.4

DVDD = 5 V

VT–1

0.8

1.4

DVDD = 5 V

VT+ – VT–1

0.3

0.85

DVDD = 5 V

VT+1

0.95

DVDD = 3 V

VT– 1

0.4

1.1

DVDD = 3 V

VT+ – VT–1

0.3

0.85

DVDD = 3 V

MCLK IN ONLY

Input Current

±10

µA

Input Capacitance

VINL Input Low Voltage

0.8

DVDD = 5 V

VINH Input High Voltage

3.5

DVDD = 5 V

VINL Input Low Voltage

0.4

DVDD = 3 V

VINH Input High Voltage

2.5

DVDD = 3 V

LOGIC OUTPUTS12

VOL Output Low Voltage

0.4

ISINK = 800 µA, DVDD = 5 V

VOH Output High Voltage

4.0

ISOURCE = 200 µA, DVDD = 5 V

VOL Output Low Voltage

0.4

ISINK = 100 µA, DVDD = 3 V

VOH Output High Voltage

DVDD – 0.6

ISOURCE = 100 µA, DVDD = 3 V

Floating State Leakage Current

±1

µA

Floating State Leakage Capacitance

P0, P1 INPUTS/OUTPUTS

Levels Referenced to Analog Supplies

Input Current

±10

µA

VINL Input Low Voltage

0.8

AVDD = 5 V

VINH Input High Voltage

3.5

AVDD = 5 V

VOL Output Low Voltage

0.4

ISINK = 7 mA, See Abs. Max. Ratings

VOH Output High Voltage

4.0

ISOURCE = 200 µA, AVDD = 5 V

POWER REQUIREMENTS

AVDD–AGND Voltage

4.75

5.25

DVDD–DGND Voltage

4.75

5.25

2.70

3.60

AVDD Current (Normal Mode)

13.5

15.9

AVDD = 5 V

DVDD Current (Normal Mode) 13

2.8

3.1

DVDD = 5 V

DVDD Current (Normal Mode) 13

1.0

1.5

DVDD = 3 V

Rev. 0 | Page 4 of 32

AD7734 Datasheet(PDF) 4 Page - Analog Devices

AD7734 Datasheet(HTML) 4 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Datasheet Download

Link URL