AD7849AN 데이터 시트보기 (PDF) - Analog Devices

부품명

상세내역

제조사

AD7849AN

Serial Input, 14-Bit/16-Bit DAC

Analog Devices 

AD7849–SPECIFICATIONS1

(VDD = +14.25 V to +15.75 V; VSS = –14.25 V to –15.75 V; VCC = +4.75 V to +5.25 V; VOUT loaded with 2 kΩ,2 200 pF to 0 V; VREF+ = +5 V;

ROFS connected to 0 V; TA = TMIN to TMAX, unless otherwise noted)

Parameter

A

Versions

B, T

Versions

C

Versions

Units

Test Conditions/Comments

RESOLUTION

14

16

16

UNIPOLAR OUTPUT

Relative Accuracy @ +25°C

±4

±6

±4

TMIN to TMAX

±5

± 16

±8

Differential Nonlinearity

± 0.25

± 0.9

± 0.5

Gain Error @ +25°C

±1

±4

±4

TMIN to TMAX

±4

Offset Error @ +25°C

±1

± 16

± 16

±4

±4

TMIN to TMAX

Gain TC3

±6

± 24

± 16

±2

±2

±2

Offset TC3

±2

±2

±2

Bits

LSBs typ

LSBs max

LSBs max

LSBs typ

LSBs max

LSBs typ

LSBs max

ppm FSR/°C typ

ppm FSR/°C typ

A Versions: 1 LSB = 2 (VREF+–VREF–)/214

B, C, T Versions: 1 LSB = 2 (VREF+–VREF–)/216

VREF– = 0 V, VOUT = 0 V to +10 V

All Grades Guaranteed Monotonic Over Temperature

VOUT Load = 10 MΩ

BIPOLAR OUTPUT

Relative Accuracy @ +25°C

±2

±3

±2

TMIN to TMAX

±3

±8

±4

Differential Nonlinearity

± 0.25

± 0.9

± 0.5

Gain Error @ +25°C

±1

±4

±4

TMIN to TMAX

±4

± 16

± 16

Offset Error @ +25°C

± 0.5

±2

±2

TMIN to TMAX

±3

± 12

±8

Bipolar Zero Error @ +25°C ± 0.5

±2

±2

TMIN to TMAX

Gain TC3

±4

± 12

±8

±2

±2

±2

Offset TC3

±2

±2

±2

Bipolar Zero TC3

±2

±2

±2

LSBs typ

LSBs max

LSBs max

LSBs typ

LSBs max

LSBs typ

LSBs max

LSBs typ

LSBs max

ppm FSR/°C typ

ppm FSR/°C typ

ppm FSR/°C typ

VREF– = –5 V, VOUT = –10 V to +10 V

All Grades Guaranteed Monotonic Over Temperature

VOUT Load = 10 MΩ

REFERENCE INPUT

Input Resistance

VREF+ Range

VREF– Range

OUTPUT CHARACTERISTICS

Output Voltage Swing

Resistive Load

Capacitive Load

Output Resistance

Short Circuit Current

25

43

VSS + 6 to

VDD – 6

VSS + 6 to

VDD – 6

VSS + 4 to

VDD – 4

2

200

0.3

± 25

25

43

VSS + 6 to

VDD – 6

VSS + 6 to

VDD – 6

VSS + 4 to

VDD – 4

2

200

0.3

± 25

25

43

VSS + 6 to

VDD – 6

VSS + 6 to

VDD – 6

VSS + 4 to

VDD – 4

2

200

0.3

± 25

kΩ min

kΩ max

Volts

Volts

V max

kΩ min

pF max

Ω typ

mA typ

Resistance from VREF+ to VREF–

Typically 34 kΩ

To 0 V

To 0 V

Voltage Range: –10 V to +10 V

DIGITAL INPUTS

VINH, Input High Voltage

2.4

2.4

2.4

VINL, Input Low Voltage

0.8

0.8

0.8

IINH, Input Current

± 10

± 10

± 10

CIN, Input Capacitance

10

10

10

DIGITAL OUTPUTS

VOL (Output Low Voltage)

0.4

0.4

0.4

VOH (Output High Voltage)

4.0

4.0

4.0

Floating State Leakage Current ± 10

± 10

± 10

Floating State Output

Capacitance

10

10

10

POWER REQUIREMENTS4

VDD

VSS

VCC

IDD

ISS

ICC

Power Supply Sensitivity5

Power Dissipation

+14.25/+15.75 +14.25/+15.75 +14.25/+15.75

–14.25/–15.75 –14.25/–15.75 –14.25/–15.75

+4.75/+5.25 +4.75/+5.25 +4.75/+5.25

5

5

5

5

5

5

2.5

2.5

2.5

0.4

1.5

1.5

100

100

100

NOTES

1Temperature ranges: A, B, C Versions: –40°C to +85°C; T Version: –55°C to +125°C.

2Minimum load for T Version is 3 kΩ.

3Guaranteed by design and characterization, not production tested.

4The AD7849 is functional with power supplies of ± 12 V. See Typical Performance Curves.

5Sensitivity of Gain Error, Offset Error and Bipolar Zero Error to VDD, VSS variations.

Specifications subject to change without notice.

V min

V max

µA max

pF max

Volts max

Volts min

µA max

pF max

V min/V max

V min/V max

V min/V max

mA max

mA max

mA max

LSB/V max

mW typ

ISINK = 1.6 mA

ISOURCE = 400 µA

VOUT Unloaded, VINH = VDD – 0.1 V, VINL = 0.1 V

VOUT Unloaded, VINH = VDD – 0.1 V, VINL = 0.1 V

VINH = VDD – 0.1 V, VINL = 0.1 V

VOUT Unloaded

–2–

REV. B

Share Link: