AD5749 datasheet(3/28 Pages) AD

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AD5749

Rev. 0 | Page 3 of 28

SPECIFICATIONS

AVDD = 12 V (± 10%) to 55 V (maximum), DVCC = 2.7 V to 5.5 V, GND = 0 V. RLOAD = 300 Ω. All specifications TMIN to TMAX,

unless otherwise noted.

Table 2.

Parameter1

Min

Typ

Max

Unit

Test Conditions/Comments

INPUT VOLTAGE RANGE

0 to 4.096

Output unloaded

Input Leakage Current

−1

μA

REFERENCE INPUT

Reference Input Voltage

4.096

External reference must be exactly as stated;

otherwise, accuracy errors show up as error in output

Input Leakage Current

−1

μA

CURRENT OUTPUT

Output Current Ranges

Output Current Overranges2

24.5

See Detailed Description of Features section

3.92

20.4

See Detailed Description of Features section

ACCURACY (INTERNAL RSET)

Total Unadjusted Error (TUE)

A Version2

−0.5

+0.5

% FSR

−0.3

±0.15

+0.3

% FSR

TA = 25°C

Relative Accuracy (INL)

−0.02

±0.01

+0.02

% FSR

Offset Error

−16

+16

μA

−10

+10

μA

TA = 25°C

Offset Error TC2

±3

ppm FSR/°C

Dead Band on Output, RTI

Referred to 4.096 V input range

Gain Error

−0.2

+0.2

% FSR

−0.125

±0.02

+0.125

% FSR

TA = 25°C

Gain TC2

±10

ppm FSR/°C

Full-Scale Error

−0.2

+0.2

% FSR

−0.125

±0.02

+0.125

% FSR

TA = 25°C

Full-Scale TC2

±4

ppm FSR/°C

ACCURACY (EXTERNAL RSET)

Total Unadjusted Error (TUE)

A Version2

−0.3

+0.3

% FSR

−0.1

±0.02

+0.1

% FSR

TA = 25°C

Relative Accuracy (INL)

−0.02

±0.01

+0.02

% FSR

Offset Error

−14

+14

μA

−11

+11

TA = 25°C

Offset Error TC2

±2

ppm FSR/°C

Dead Band on Output, RTI

+14

Referred to 4.096 V input range

Gain Error

−0.08

+0.08

% FSR

−0.07

±0.02

+0.07

% FSR

TA = 25°C

Gain TC2

±1

ppm FSR/°C

Full-Scale Error

−0.1

+0.1

% FSR

−0.07

±0.02

+0.07

% FSR

TA = 25°C

Full-Scale TC2

±2

ppm FSR/°C

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