W6811_05 WINBOND [Winbond], W6811_05 Datasheet - Page 7
W6811_05
Manufacturer Part Number
W6811_05
Description
SINGLE-CHANNEL VOICEBAND CODEC
Manufacturer
WINBOND [Winbond]
Datasheet
1.W6811_05.pdf
(37 pages)
- Current page: 7 of 37
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Pin
Name
V
NC
V
μ/A-Law
AO
AI-
AI+
V
* These columns represent whether the pin Is driven by Analog (‘A’) or Digital (‘D’) power supply.
SSD
SSA
AG
Pin
No.
17
18
19
20
21
22
23
24
V
D
A
D
A
A
A
A
DD
*
Functionality
This is the digital supply ground. This pin should be connected to 0V.
Not Connected
This is the analog supply ground. This pin should be connected to 0V.
Compander mode select pin. μ-Law companding is selected when this pin is
tied to V
Analog output of the first gain stage in the transmit path.
Inverting input of the first gain stage in the transmit path.
Non-inverting input of the first gain stage in the transmit path.
Mid-Supply analog ground pin, which supplies a 2.5 Volt reference voltage for
all-analog signal processing. This pin should be decoupled to V
0.01μF capacitor. This pin becomes high impedance when the chip is
powered down.
DDD
. A-Law companding is selected when this pin is tied to V
- 7 -
Publication Release Date: September, 2005
SSA
W6811
Revision A12
with a
SSD
.
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