ADUCM310 datasheet(8/28 Pages) AD

8 / 28 page

Data Sheet

ADuCM310

Rev. B Page 7 of 27

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

Full-Scale Output

IDAC0 and IDAC1

100

IDAC4 and IDAC5

IDAC2

200

IDAC3

250

Current source

−90

Current sink

−801

Current sink

Integral Nonlinearity

−3

±1.5

LSB

11-bit

−2.51

±1.5

LSB

11-bit

Noise Current

RMS noise; maximum bandwidth

setting, IDACxCON[5:2] = 0000b

IDAC0 and IDAC1

1.5

µA

Measured driving 10 Ω

IDAC4 and IDAC5

0.3

µA

Measured driving 100 Ω

IDAC2

µA

Measured driving 5 Ω

IDAC3

µA

Measured driving 5 Ω

Full-Scale Error

IDAC0 and IDAC1

−2.31

0.25

+11

−3.0

0.25

+1.3

IDAC4 and IDAC 5

−0.71

0.25

0.7

−1

0.25

0.7

IDAC2

−1.751

0.25

0.65

−1.77

0.25

IDAC3

−21

0.25

1.41

−2.4

0.25

1.6

Full-Scale Error Drift vs. Temperature

Including internal reference drift

and 5 ppm external resistor

IDAC4 and IDAC5

−401

−12

+301

ppm/°C

−58

−12

+58

ppm/°C

IDAC2 and IDAC3

+55

ppm/°C

Full temperature range

IDAC2 and IDAC3

+40

ppm/°C

Reduced 25°C to 85°C range

IDAC0 and IDAC1

−1451

+551

+1451

ppm/°C

−205

+90

+205

ppm/°C

Full temperature range

IDAC0 and IDAC1

−100

+40

+100

ppm/°C

Reduced 25°C to 85°C range

Full-Scale Error Drift vs. Time8

Long-term stability

IDAC0

200

µA/

1000 hours

IDAC1

450

µA/

1000 hours

IDAC2

500

µA/

1000 hours

IDAC3

2250

µA/

1000 hours

IDAC4 and IDAC5

µA/

1000 hours

Zero-Scale Error

Pull-down current off

IDAC0 and IDAC1

−1201

+751

µA

−180

+115

µA

Pull-Down Current

−135

−115

−100

µA

Increased −45°C to +85°C range

IDAC4 and IDAC5

−251

+15

µA

−31

+15

µA

Pull-Down Current

−30

−24

−22

µA

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