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參數(shù)資料
| 型號： | ISD5216SERIES |
| 英文描述： | Single-Chip Voice Record/Playback Device |
| 中文描述： | 單芯片語音記錄/播放設備 |
| 文件頁數(shù)： | 40/83頁 |
| 文件大?。?/td> | 758K |
| 代理商： | ISD5216SERIES |
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I5216 SERIES
Advanced Information
PRELIMINARY
Publication Release Date: November 30, 2001
- 40
Revision A1
MICROPHONE INPUTs
The microphone inputs transfer the voice signal to the on-chip AGC preamplifier, or directly to the
CODEC INPUT MUX, depending on the selected path. The AGC circuit has a range of 45 dB in order
to deliver a nominal 694 mV p-p into the storage array from a typical electret microphone output of 2 to
20 mV p-p. The input impedance is typically 10k
.
The MICBS pin provides a 2.2V bias voltage for the external microphone only when the AGC is
powered up. Using this regulated bias voltage results in less supply noise coupling into the MIC+ and
MIC- pins compared to the situation in which the external microphone is powered up through the power
supply. It also saves current during power down.
The ACAP 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 or when signal compression is
chosen (AMT0 set). The AutoMute circuit reduces the amount of noise present in the output during
quiet pauses. Tying the ACAP pin to ground gives maximum gain. Tying it to VCCA gives minimum
gain for the AGC amplifier, but cancels the AutoMute function.
CDI1
CDI0
CODEC ADC
INPUT
0
0
INP
0
1
SUM2
1
0
MIC
1
1
No Input
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
CIG2
CIG1
CIG0
AXG1
AXG0
AXPD
INS0
OSPD
AMT0
CDI1
CDI0
OPS1
OPS0
OPA1
OPA0
VLPD
CFG0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
VLS1
VLS0
VOL2
VOL1
VOL0
S1S1
S1S0
S1M1
S1M0
S2M1
S2M0
FLS0
FLD1
FLD0
FLPD
AGPD
CFG1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
X
X
X
CKD2
COG2
COG1
COG0
CKDV
MUTE
HPF0
HSR0
I2S0
LAW1
LAW0
DAPD
ADPD
CFG2
AGPD
CONDITION
0
Power Up
1
Power Down
MIC IN
AGC
MIC+
MIC -
AGCCAP
MICROPHONE
MIC IN
(AGPD)
2.2V Voltage
reference
MICBS
CDI0
(
2
CDI1
CDI1
1
(AGPD)
CDI0
P
P+
M2
+
CODEC ADC IN
IN
IN
SU
M2
SU
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相關代理商/技術參數(shù) |
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| ISD5216SI | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 to 16 minutes voice record/playback device with integrated codec |
| ISD5216SY | 功能描述:IC VOICE REC/PLAY 8-16MIN 28SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 語音錄制和重放 系列:ISL5216 標準包裝:14 系列:- 接口:串行 濾波器通頻帶:1.7kHz 持續(xù)時間:8 ~ 32 秒 安裝類型:通孔 封裝/外殼:28-DIP（0.300"，7.62mm） 供應商設備封裝:28-PDIP 其它名稱:90-21300+000 |
| ISD5216SYI | 功能描述:IC VOICE REC/PLAY 8-16MIN 28SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 語音錄制和重放 系列:ISL5216 標準包裝:14 系列:- 接口:串行 濾波器通頻帶:1.7kHz 持續(xù)時間:8 ~ 32 秒 安裝類型:通孔 封裝/外殼:28-DIP（0.300"，7.62mm） 供應商設備封裝:28-PDIP 其它名稱:90-21300+000 |
| ISD5X | 制造商:Isocom Components 功能描述:OPTOCOUPLER DIP-8 DUAL TR. O/P 制造商:Isocom Components 功能描述:Dual opto coupler,ISD5X DIP8 5300Vac |
| ISD5XSM | 制造商:Isocom Components 功能描述:OPTOCOUPLER SMDIP-8 DUAL TR O/P 制造商:Isocom Components 功能描述:OPTOCOUPLER, SMDIP-8, DUAL TR O/P |
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