AD8801 查看數據表（PDF） - Analog Devices

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AD8801

Octal 8-Bit TrimDAC with Power Shutdown

Analog Devices 

AD8801/AD8803–Typical Performance Characteristics

1

0.75

0.5

VDD = +5V

VREFH = +5V

VREFL = 0V

0.25

0

–0.25

–0.5

–0.75

–1

0

32

64

TA = +85°C

TA = +25°C

TA = –40°C

96 128 160 192 224 256

CODE – Decimal

200

VDD = +5V

VREFH = +2V

VREFL = 0V

150

ALL OTHER DACS SET

TO ZERO SCALE

TA = +25°C

100

50

0

0

32 64

96

128 160 192 224 256

CODE – Decimal

Figure 7. INL vs. Code

Figure 10. Input Reference Current vs. Code

1

0.75

0.5

VDD = +5V

VREFH = +5V

VREFL = 0V

TA = –40°C, +25°C, +85°C

0.25

0

–0.25

–0.5

–0.75

–1

0

64

128

192

256

CODE – Decimal

Figure 8. Differential Nonlinearity Error vs. Code

10k

VDD = +5.5V

VREF = 0V

1k

100

VDD = +5.5V

VREF = +5.5V

10

0

–55 –35 –15

5

25 45 65

TEMPERATURE – °C

85 105 125

Figure 11. Shutdown Current vs. Temperature

1200

1080

960

840

720

VDD = +4.5V

VREF = +4.5V

VREFL = 0V

TA = +25°C

SS = 2446 PCS

600

480

260

240

120

0

–3.4 –3.3 –3.2 –3.1 –3.0 –2.9 –2.8 –2.7 –2.6 –2.5

TOTAL UNADJUSTED ERROR – LSB

Figure 9. Total Unadjusted Error Histogram

100k

10k

1k

VDD = +5.5V

LOGIC = +2.4V

ALL DIGITAL PINS

TIED TOGETHER

100

10

VDD = +5.5V

1

LOGIC = +5.5V

ALL DIGITAL PINS

0.1

TIED TOGETHER

0.01

0.001

–55 –35 –15

5

25 45 65

TEMPERATURE – °C

85 105 125

Figure 12. Supply Current vs. Temperature

–6–

REV. A

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