AD737JRZ-5-R7 datasheet(10/24 Pages) AD

tên linh kiện	AD737JRZ-5-R7

Giải thích chi tiết về linh kiện	Low Cost, Low Power, True RMS-to-DC Converter

PDF	24 Pages

Scroll/Zoom	100%

nhà sản xuất	AD [Analog Devices]

Trang chủ	http://www.analog.com

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10 / 24 page

AD737

Data Sheet

Rev. J | Page 10 of 24

CAV = 100µF

CAV = 250µF

CREST FACTOR (VPEAK/V rms)

CAV = 10µF

CAV = 33µF

3ms BURST OF 1kHz =

3 CYCLES

200mV rms SIGNAL

CC = 22µF

CF = 100µF

Figure 10. Additional Error vs. Crest Factor

VIN = 200mV rms

CAV = 100µF

CF = 22µF

–0.8

–0.6

–0.2

–0.4

0.4

0.2

0.6

0.8

–60

–20

–40

100

120

140

TEMPERATURE (°C)

Figure 11. Additional Error vs. Temperature

200

100

400

300

500

0.2

0.4

0.6

0.8

1.0

RMS INPUT LEVEL (V)

Figure 12. DC Supply Current vs. RMS Input Level

10µV

100µV

1mV

10mV

100

10k

100k

–3dB FREQUENCY (Hz)

AC-COUPLED

Figure 13. RMS Input Level vs. –3 dB Frequency; Negative DC Output

–2.5

–2.0

–1.5

–1.0

–0.5

0.5

1.0

10mV

100mV

INPUT LEVEL (rms)

CAV = 22µF, CC = 47µF,

CF = 4.7µF

Figure 14. Error vs. RMS Input Level Using Circuit in Figure 29

100

FREQUENCY (Hz)

–1%

–0.5%

VIN = 200mV rms

CC = 47µF

CF = 47µF

Figure 15. Value of Averaging Capacitor vs. Frequency

for Specified Averaging Error

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