VCA8500_0803 Datasheet, PDF (11/40 Pages) Texas Instruments – 8-Channel, Ultralow-Power, Variable Gain Amplifier with Low-Noise Pre-Amp

VCA8500
www.ti.com
DBn:4
(MSB)
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
SBOS390A – JANUARY 2008 – REVISED MARCH 2008
Table 10. CW Switch Matrix Control for Each Channel
DBn:3
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
DBn:2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
DBn:1
(LSB)
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
LNA Input Channel Directed To:
Output CW0
Output CW1
Output CW2
Output CW3
Output CW4
Output CW5
Output CW6
Output CW7
Output CW8
Output CW9
Connected to AVDD2; channel disabled
Connected to AVDD2; channel disabled
Connected to AVDD2; channel disabled
Connected to AVDD2; channel disabled
Connected to AVDD2; channel disabled
Connected to AVDD2; channel disabled
Channel 1
Input
V/I
Converter
DIN
Decode
CLK
Logic
DOUT
CW0
CW1
CW2
CW3
CW4
CW5
CW6
CW7
CW8
CW9
AVDD2
(To Other Channels)
Figure 1. Basic CW Cross-Point Switch Matrix Configuration
Copyright © 2008, Texas Instruments Incorporated
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