a
FEATURES Recovers Signal from +100 dB Noise 2 MHz Channel Bandwidth 45 V/ s Slew Rate –120 dB Crosstalk @ 1 kHz Pin Programmable Closed Loop Gains of ؎1 and ؎2 0.
05% Closed Loop Gain Accuracy and Match 100 V Channel Offset
Voltage (AD630BD) 350 kHz Full Power Bandwidth Chips Available
Balanced Modulator/Demodulator AD630
FUNCTIONAL BLOCK DIAGRAM
CM OFF ADJ
6
CM OFF ADJ
5
DIFF OFF ADJ
4
DIFF OFF ADJ
3
2.
5k⍀ RINA 1 CHA+ 2 CHA– 20 2.
5k⍀ RINB 17 CHB+ 18 CHB– 19 –V AMP B
13
AMP A
AD630
12
COMP +VS VOUT RB RF RA CHANNEL STATUS B/A
A
11
B
10k⍀
10k⍀
14 15
5k⍀
PRODUCT DESCRIPTION
16
The AD630 is a high precision balanced modulator which combines a flexible commutating architectu...