GA3219 Datasheet, PDF (5/14 Pages) Gennum Corporation – Venture-TM Digital DSP System

VENTURE GA3219
TYPICAL APPLICATIONS
V_B
1
Voltage
Regulator
15
A/D
3k9
14
MIC/
3k9
M A/D TCOIL
2U
Comp
1k
X
3
1k
16
Programming
12
Interface
Clock
Generator
5
4
Memory
Select
Tone
Generator
Post
Biquad
Filters
Cross
Fader
6
POR
Circuitry
Peak
D/A
Clipper ^HBridge
FrontWave
Pre
Biquad
Filters
Feedback
Canceller
AGCO
Volume
Control
Post
Biquad
Filters
Wideband
Gain
Control
A/D
Frequency
Band
Analysis
128 bands
Frequency
Band
Synthesis
WDRC (1,2,4 channels)
Noise Reduction (128 bands)
Graphic EQ (8 bands)
EEPROM
7
OUT
8
LP
9
Filter
10
13
200 k
11
Note: All resistors in ohms and all capacitors in farads, unless otherwise stated.
Figure 2. Test Circuit
V_B
1
Voltage
Regulator
15
A/D
14
M
2U
3
X
A/D
MIC/
TCOIL
Comp
16
Programming
12
Interface
Clock
Generator
5
4
Memory
Select
Tone
Generator
Post
Biquad
Filters
Cross
Fader
6
POR
Circuitry
Peak
Clipper
D/A
HBridge
FrontWave
Pre
Biquad
Filters
Feedback
Canceller
AGCO
Volume
Control
Post
Biquad
Filters
Wide−
band
Gain
Control
A/D
Frequency
Band
Analysis
128 bands
Frequency
Band
Synthesis
WDRC (1,2,4 channels)
Noise Reduction (128 bands)
Graphic EQ (8 bands)
EEPROM
Knowles or
Sonion
7 zero−bias
receiver
8
9
10
13
11
Figure 3. Typical Application Circuit
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