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參數(shù)資料
| 型號(hào)： | ISD2500 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| 中文描述： | 單芯片語音記錄/播放設(shè)備32 - ，40 - ，48 - ，64 - ，60 - ，75,90 - ，120秒持續(xù)時(shí)間 |
| 文件頁數(shù)： | 23/28頁 |
| 文件大?。?/td> | 213K |
| 代理商： | ISD2500 |
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1–101
Product Data Sheets
ISD2500 Series
1
*
Advance information: ISD2532/40/48/64 devices.
APPLICATION EXAMPLE – PASSIVE COMPONENT FUNCTIONS
Part
Function
Comments
R1
Microphone power supply
decoupling
Reduces power supply noise
R2
Release time constant
Sets release time for AGC
R3, R5
Microphone biasing resistors
Provides biasing for microphone operation
R4
Series limiting resistor
Reduces level to prevent distortion at higher supply
voltages.
R6
Series limiting resistor
Reduces level to high supply voltages
C1, C5
Microphone DC–blocking capacitor
Low-frequency cutoff
Decouples microphone bias from chip. Provides single-
pole low-frequency cutoff and common mode noise
rejection.
C2
Attack/Release time constant
Sets attack/release time for AGC
C3
Low-frequency cutoff capacitor
Provides additional pole for low-frequency cutoff
C4
Microphone power supply
decoupling
Reduces power supply noise
C6, C7, C8
Power supply capacitors
Filter and bypass of power supply
In this simplified block diagram of a microcontroller
application, the Push-Button mode and message
cueing are used. The microcontroller is a 16-pin
version with enough port pins for buttons, an LED,
and the ISD2500 Series device. The software can
be written to use three buttons: one each for play
and record, and one for message selection.
Because the microcontroller is interpreting the but-
tons and commanding the ISD2500 device,
software can be written for any functions desired in
a particular application.
NOTE
ISD does not recomend connecting
address lines directly to a microprocessor
bus. Address lines should be externally
latched.
EXPLANATION
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| ISD2560EI | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD2575E | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD2575EI | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD33090E | Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ISD2-50-D | 制造商:Samtec Inc 功能描述:2MM DISCRETE WIRE INSULATOR - Bulk |
| ISD2-50-D-R | 制造商:Samtec Inc 功能描述:2MM DISCRETE WIRE INSULATOR - Bulk |
| ISD25120 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD25120G | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations |
| ISD25120P | 功能描述:IC MEM VOICE REC/PLAY 120S 28DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 語音錄制和重放 系列:ISD2500 標(biāo)準(zhǔn)包裝:14 系列:- 接口:串行 濾波器通頻帶:1.7kHz 持續(xù)時(shí)間:8 ~ 32 秒 安裝類型:通孔 封裝/外殼:28-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:28-PDIP 其它名稱:90-21300+000 |
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