参数资料
型号: ISD5108EYI
厂商: WINBOND ELECTRONICS CORP
元件分类: 音频合成
英文描述: 480 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28
封装: 8 X 13.4 MM, LEAD FREE, PLASTIC, TSOP1-28
文件页数: 47/89页
文件大小: 600K
代理商: ISD5108EYI
ISD5100 SERIES
Publication Release Date: May 16, 2007
- 51 -
Revision 1.4
ACAP (AGC Capacitor)
This pin provides the capacitor connection for setting the parameters of the microphone AGC circuit. It
should have a 4.7 F capacitor connected to ground. It cannot be left floating. This is because the
capacitor is also used in the playback mode for the AutoMute circuit. This circuit reduces the amount
of noise present in the output during quiet pauses. Tying this pin to ground gives maximum gain; tying
it to VCCA gives minimum gain for the AGC amplifier but cancels the AutoMute function.
SP +, SP-
(Speaker +/-)
This is the speaker differential output circuit. It is designed to drive an 8 speaker connected across
the speaker pins up to a maximum of 23.5 mW RMS power. This stage has two selectable gains, 1.32
and 1.6, which can be chosen through the configuration registers. These pins are biased to ap-
proximately 1.2 VDC and, if used single-ended, must be capacitively coupled to their load. Do NOT
ground the unused pin.
AUX OUT (Auxiliary Output)
The AUX OUT is an additional audio output pin to be used, for example, to drive the speaker circuit in
a “car kit.” It drives a minimum load of 5k and up to a maximum of 1V p-p. The AC signal is
superimposed on approximately 1.2 VDC bias and must be capacitively coupled to the load.
Speaker
SP+
SP–
AUX OUT
Car Kit
(1 Vp -p Max)
ANA IN AMP
OUTPUT
MUX
FILTO
SUM2
2
VO L
(OPS1,O PS0)
2
(OPA1, O PA0)
INS0
15
1 4
13
12
11
10
9
8
7
6
5
4
3
2
1
0
AIG1
AIG0
AIPD
AXG1
AXG0
AXPD
AOS2
AOS1
AOS0
AOPD OPS1 OPS0
OPA1 OPA0 VLPD
CFG0
OPS1
OPS0
SOURCE
0
VOL
0
1
ANA IN
1
0
FILTO
1
SUM2
OPA1
OPA0
SPKR DRIVE
AUX OUT
0
Power Down
0
1
3.6 Vp.p @150Ω
Power Down
1
0
23.5 mWatt @ 8Ω
Power Down
1
Power Down
1 Vp.p Max @ 5KΩ
相关PDF资料
PDF描述
ISD5108EY 480 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28
ISD5108SYI 480 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28
ISD5108SY 480 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28
ISD5108X 480 SEC, SPEECH SYNTHESIZER WITH RCDG, UUC27
ISD5116EYI 960 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28
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