AD5781BRUZ 查看數據表（PDF） - Analog Devices

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AD5781BRUZ

True 18-Bit, Voltage Output DAC ±0.5 LSB INL, ±0.5 LSB DNL

Analog Devices 

AD5781

1.2

±10V SPAN

1.0

+10V SPAN

±5V SPAN

0.8

0.6

0.4

0.2

0

–0.2 AD8676 REFERENCE BUFFERS

–0.4

–0.6

–0.8

AD8675 OUTPUT BUFFER

VDD = +15V

VSS = –15V

VREFP = +10V

VREFN = –15V

–1.0

–55 –35 –15

5 25 45 65

TEMPERATURE (°C)

85 105 125

Figure 35. Zero-Scale Error vs. Temperature

4

AD8676 REFERENCE BUFFERS

3 AD8675 OUTPUT BUFFER

VDD = +15V

2

VSS = –15V

VREFP = +10V

1 VREFN = –15V

±10V SPAN

+10V SPAN

+5V SPAN

0

–1

–2

–3

–4

–5

–55 –35 –15

5 25 45 65

TEMPERATURE (°C)

85 105 125

Figure 36. Gain Error vs. Temperature

900

TA = 25°C

800

700

600

500

IOVCC = 5V, LOGIC VOLTAGE

INCREASING

IOVCC = 5V, LOGIC VOLTAGE

DECREASING

IOVCC = 3V, LOGIC VOLTAGE

INCREASING

IOVCC = 3V, LOGIC VOLTAGE

DECREASING

400

300

200

100

0

0

1

2

3

4

5

6

LOGIC INPUT VOLTAGE (V)

Figure 37. IOICC vs. Logic Input Voltage

Data Sheet

5

TA = 25°C

4

IDD

3

2

1

0

–1

–2

–3

ISS

–4

–5

–20 –15 –10

–5

0

5

VDD, VSS (V)

10

15

20

Figure 38. Power Supply Currents vs. Power Supply Voltages

VDD = +15V

VSS = –15V

3

VREFP = +10V

VREFN = –10V

AD8676 REFERENCE BUFFERS

OUTPUT UNBUFFERED

LOAD = 10MΩ||20pF

4

CH3 5V

CH4 5V

200ns

Figure 39. Rising Full-Scale Voltage Step

VDD = +15V

VSS = –15V

VREFP = +10V

VREFN = –10V

AD8676 REFERENCE BUFFERS

OUTPUT UNBUFFERED

LOAD = 10MΩ||20pF

3

4

CH3 5V

CH4 5V

200ns

Figure 40. Falling Full-Scale Voltage Step

Rev. E | Page 14 of 27

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