EVAL-AD5755-1SDZ Просмотр технического описания (PDF) - Analog Devices

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EVAL-AD5755-1SDZ

Quad Channel, 16-Bit, Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control, HART Connectivity

Analog Devices 

Data Sheet

AD5757

SPECIFICATIONS

AVDD = VBOOST_x = 15 V; DVDD = 2.7 V to 5.5 V; AVCC = 4.5 V to 5.5 V; dc-to-dc converterdisabled; AGND = DGND = GNDSWx = 0 V;

REFIN = 5 V; RL = 300 Ω; all specifications TMIN to TMAX, unless otherwise noted.

Table 1.

Parameter 1

CURRENT OUTPUT

Output Current Ranges

Resolution

ACCURACY (EXTERNAL RSET)

Total Unadjusted Error (TUE)

TUE Long-Term Stability

Relative Accuracy (INL)

Differential Nonlinearity (DNL)

Offset Error

Offset Error Drift2

Gain Error

Gain TC2

Full-Scale Error

Full-Scale TC2

DC Crosstalk

ACCURACY (INTERNAL RSET)

Total Unadjusted Error (TUE)3, 4

TUE Long-Term Stability

Relative Accuracy (INL)

Differential Nonlinearity (DNL)

Offset Error3,4

Offset Error Drift2

Gain Error

Gain TC2

Full-Scale Error3,4

Full-Scale TC2

DC Crosstalk4

OUTPUT CHARACTERISTICS2

Current Loop Compliance Voltage

Output Current Drift vs. Time

Min

0

0

4

16

−0.05

−0.006

−1

−0.05

−0.05

−0.05

−0.14

−0.11

−0.006

−0.004

−1

−0.05

−0.04

−0.12

−0.06

−0.14

−0.1

Resistive Load

Output Impedance

DC PSRR

REFERENCE INPUT/OUTPUT

Reference Input2

Reference Input Voltage

4.95

DC Input Impedance

45

Typ

Max

24

20

20

±0.009

100

±0.005

±4

±0.004

±3

±0.008

±5

0.0005

+0.05

+0.006

+1

+0.05

+0.05

+0.05

±0.009

180

±0.007

±6

±0.002

±9

±0.007

±14

−0.011

+0.14

+0.11

+0.006

+0.004

+1

+0.05

+0.04

+0.12

+0.06

+0.14

+0.1

VBOOST_x −

2.4

VBOOST_x −

2.7

90

140

1000

100

0.02

1

Unit

mA

mA

mA

Bits

% FSR

ppm FSR

% FSR

LSB

% FSR

ppm FSR/°C

% FSR

ppm FSR/°C

% FSR

ppm FSR/°C

% FSR

% FSR

% FSR

ppm FSR

% FSR

% FSR

LSB

% FSR

% FSR

ppm FSR/°C

% FSR

% FSR

ppm FSR/°C

% FSR

% FSR

ppm FSR/°C

% FSR

V

ppm FSR

ppm FSR

Ω

MΩ

µA/V

Test Conditions/Comments

Assumes ideal resistor; see the External Current

Setting Resistor section for more information

Drift after 1000 hours, TJ = 150°C

Guaranteed monotonic

External RSET

TA = 25°C

Drift after 1000 hours, TJ = 150°C

TA = 25°C

Guaranteed monotonic

TA = 25°C

TA = 25°C

TA = 25°C

Internal RSET

Drift after 1000 hours, ¾ scale output, TJ = 150°C

External RSET

Internal RSET

The dc-to-dc converter has been characterized

with a maximum load of 1 kΩ, chosen such that

compliance is not exceeded; see Figure 32 and

DC-DC MaxV bits in Table 24

5

5.05

V

150

MΩ

For specified performance

Rev. G | Page 5 of 45

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