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参数资料
| 型号： | ISD5008ZD |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SINGLE CHIP VOICE RECORD PLAYBACK DEVICE 4-, 5-, 6-, AND 8- MINUTE DURATIONS |
| 中文描述： | 单片语音记录重放设备4 - ，5 - ，6 - ，8 -一分钟工期 |
| 文件页数： | 9/47页 |
| 文件大小： | 1174K |
| 代理商： | ISD5008ZD |
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ISD5008 Product
6
Voice Solutions in Silicon
ANAOUT+ /–
(Analog Outputs)
This differential output is designed to go to the mi-
crophone input of the telephone chip set. It is de-
signed to drive a minimum of 5 k
between the
“+ ” and “–” pins to a nominal voltage level of
700 mVp-p. Both pins have DC bias of approxi-
mately 1.2 VDC. The AC signal is superimposed
upon this analog ground voltage. These pins can
be used single-ended, getting only half the volt-
age. Do
NOT
ground the unused pin.
AUX OUT
(Auxiliary Output)
The AUXOUT 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 5 k
and
up to a maximum of 1 Vp-p. The AC signal is su-
perimposed on approximately 1.2 VDC bias and
must be capacitively coupled to the load.
SP+ , SP–
(Speaker+ /–)
This is the speaker differential output circuit. It is de-
signed to drive an 8
speaker connected across
the speaker pins up to a maximum of 23.5 mW
power. This stage has two selectable gains, 1.32
and 1.6, which can be chosen through the con-
figuration 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.
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 con-
nected 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; to V
CCA
gives
minimum gain for the AGC amplifier but will
cancel the AutoMute function.
2.3
POWER AND GROUND PINS
V
CCA
, V
CCD
(Voltage Inputs)
To minimize noise, the analog and digital circuits
in the ISD5008 device uses separate power bus-
ses. These + 3 V busses lead to separate pins. Tie
the V
CCD
pins together as close as possible and
decouple both supplies as near to the package
as possible.
V
SSA
, V
SSD
(Ground Inputs)
The ISD5008 series utilizes separate analog and
digital ground busses. The analog ground (V
SSA
)
pins should be tied together as close to the pack-
age as possible and connected through a low-
impedance path to power supply ground. The
digital ground (V
SSD
) pin should be connected
through a separate low-impedance path to pow-
er supply ground. These ground paths should be
large enough to ensure that the impedance be-
tween the V
SSA
pins and the V
SSD
pin is less than
3
. The backside of the die is connected to V
SSD
through the substrate resistance. In a chip-on-
board design, the die attach area must be con-
nected to V
SSD
.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISD5008ZDR | 功能描述:IC VOICE REC/PL 4-8MIN EX CSP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD5008 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD5008ZI | 功能描述:IC VOICE REC/PL 4-8MIN IN CSP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD5008 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD5008ZIR | 功能描述:IC VOICE REC/PL 4-8MIN IN CSP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD5008 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD5008ZR | 功能描述:IC VOICE REC/PL 4-8MIN CSP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD5008 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD5100 | 制造商:WINBOND 制造商全称:Winbond 功能描述:SINGLE-CHIP 1 TO 16 MINUTES DURATION VOICE RECORD/PLAYBACK DEVICES WITH DIGITAL STORAGE CAPABILITY |
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