AD8450ASTZ datasheet(21/42 Pages) AD

部件名	AD8450ASTZ

功能描述	Precision Analog Front End and Controller

PDF	42 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

标志

21 / 42 page

AD8450

Data Sheet

Rev. B | Page 20 of 41

REFERENCE CHARACTERISTICS

2.51

2.50

2.49

2.48

2.47

2.46

OUTPUT CURRENT—SOURCING (mA)

TA = –40°C

TA = +25°C

TA = –20°C

TA = +85°C

TA = 0°C

AVCC = +25V

AVEE = –5V

Figure 45. Output Voltage vs. Output Current (Sourcing) over Temperature

2.9

2.8

2.7

2.6

2.5

2.4

–10

–9

–8

–7

–6

–5

–4

–3

–2

–1

OUTPUT CURRENT—SINKING (mA)

TA = +85°C

TA = +25°C

TA = 0°C

TA = –20°C

TA = –40°C

AVCC = +25V

AVEE = –5V

Figure 46. Output Voltage vs. Output Current (Sinking) over Temperature

1200

1100

1000

900

800

700

600

–40 –30 –20 –10

TEMPERATURE (°C)

AVCC = +25V

AVEE = –5V

Figure 47. Source and Sink Load Regulation vs. Temperature

100

0.1

100

100k

10k

FREQUENCY (Hz)

Figure 48. Spectral Density Voltage Noise vs. Frequency

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