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參數(shù)資料
| 型號： | I5108S |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 音頻合成 |
| 英文描述： | SINGLE-CHIP 1 TO 16 MINUTES DURATION VOICE RECORD/PLAYBACK DEVICES WITH DIGITAL STORAGE CAPABILITY |
| 中文描述： | 480 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28 |
| 封裝： | 0.300 INCH, PLASTIC, SOIC-28 |
| 文件頁數(shù)： | 51/88頁 |
| 文件大小： | 612K |
| 代理商： | I5108S |
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ISD5100 – SERIES
Publication Release Date: October, 2003
- 51 -
Revision 0.2
ACAP (AGC Capacitor)
This pin provides the capacitor connection for setting the parameters of the microphone AGC circuit. It
should have a 4.7 μF 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 V
CCA
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.
Speak er
SP+
SP–
AUX OUT
Car Kit
(1 Vp-p Max)
ANA IN AMP
OUTPUT
MUX
FILTO
SUM2
2
VOL
(OPS1,OPS0)
2
(OPA1, OPA0)
INS0
15
14
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
0
VOL
0
1
ANA IN
1
0
FILTO
1
1
SUM2
OPS1
OPA0
SPKR DRIVE
AUX OUT
0
0
Power Down
Power Down
0
1
3.6 V
p.p
@150
Power Down
1
0
23.5 mWatt @ 8
Power Down
1
1
Power Down
1 V
p.p
Max @ 5K
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