AD737JRZ-5-R7 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD737JRZ-5-R7

Low Cost, Low Power, True RMS-to-DC Converter

Analog Devices 

Data Sheet

10V

VS = ±2.5V,

CAV = 22µF, CF = 4.7µF, CC = 22µF

1V

100mV

10mV

0.5%

1mV

10%

–3dB

1%

100µV

0.1

1

10

100

FREQUENCY (kHz)

Figure 20. Error Contours Driving Pin 1

5

3 CYCLES OF 1kHz

200mV rms

VS = ±2.5V

4 CC = 22µF

CF = 100µF

3

2

CAV =

10µF

CAV =

22µF

CAV =

33µF

CAV =

100µF

1000

CAV =

1

220µF

0

1

2

3

4

5

CREST FACTOR

Figure 21. Additional Error vs. Crest Factor for Various Values of CAV

AD737

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

CAV = 22µF, VS = ±2.5V

CC = 47µF, CF = 4.7µF

–2.5

10mV

100mV

INPUT LEVEL (rms)

1V

2V

Figure 22. Error vs. RMS Input Level Driving Pin 1

Rev. I | Page 11 of 24

Share Link: