AD8021 datasheet(3/28 Pages) AD

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Data Sheet

AD5444/AD5446

Rev. E | Page 3 of 28

SPECIFICATIONS

VDD = 2.5 V to 5.5 V, VREF = 10 V, IOUT2 = 0 V. Temperature range for Y version: −40°C to +125°C. All specifications TMIN to TMAX,

unless otherwise noted. DC performance measured with OP177, and ac performance measured with AD8038, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Conditions

STATIC PERFORMANCE

AD5444

Resolution

Bits

Relative Accuracy

±0.5

LSB

Differential Nonlinearity

±1

LSB

Guaranteed monotonic

Total Unadjusted Error (TUE)

±1

LSB

Gain Error

±0.5

LSB

AD5446

Resolution

Bits

Relative Accuracy

±2

LSB

Differential Nonlinearity

−1/+2

LSB

Guaranteed monotonic

Total Unadjusted Error (TUE)

±4

LSB

Gain Error

±2.5

LSB

Gain Error Temperature Coefficient1

±2

ppm FSR/°C

Output Leakage Current

±1

Data = 0x0000, TA = 25°C, IOUT1

±10

Data = 0x0000, TA = −40°C to +125°C, IOUT1

REFERENCE INPUT1

Reference Input Range

±10

VREF Input Resistance

kΩ

Input resistance TC = −50 ppm/°C

RFB Feedback Resistance

kΩ

Input resistance TC = −50 ppm/°C

Input Capacitance

Zero-Scale Code

Full-Scale Code

DIGITAL INPUTS/OUTPUTS1

Input High Voltage, VIH

2.0

VDD = 3.6 V to 5 V

1.7

VDD = 2.5 V to 3.6 V

Input Low Voltage, VIL

0.8

VDD = 2.7 V to 5.5 V

0.7

VDD = 2.5 V to 2.7 V

Output High Voltage, VOH

VDD − 1

VDD = 4.5 V to 5 V, ISOURCE = 200 µA

VDD − 0.5

VDD = 2.5 V to 3.6 V, ISOURCE = 200 µA

Output Low Voltage, VOL

0.4

VDD = 4.5 V to 5 V, ISINK = 200 µA

0.4

VDD = 2.5 V to 3.6 V, ISINK = 200 µA

Input Leakage Current, IIL

±1

TA = 25°C

±10

TA = −40°C to +125°C

Input Capacitance

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