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參數(shù)資料
| 型號： | ISD2590 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | ISD2560 |
| 中文描述： | ISD2560 |
| 文件頁數(shù)： | 10/42頁 |
| 文件大?。?/td> | 380K |
| 代理商： | ISD2590 |
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ISD2560/75/90/120
- 10 -
7. FUNCTIONAL DESCRIPTION
7.1. D
ETAILED
D
ESCRIPTION
Speech/Sound Quality
The Winbond’s ISD2500 series includes devices offered at 4.0, 5.3, 6.4, and 8.0 kHz sampling
frequencies, allowing the user a choice of speech quality options. Increasing the duration within a
product series decreases the sampling frequency and bandwidth, which affects the sound quality.
Please refer to the ISD2560/75/90/120 Product Summary table below to compare the duration,
sampling frequency and filter pass band.
The speech samples are stored directly into the on-chip nonvolatile memory without any digitization
and compression associated like other solutions. Direct analog storage provides a very true, natural
sounding reproduction of voice, music, tones, and sound effects not available with most solid state
digital solutions.
Duration
To meet various system requirements, the ISD2560/75/90/120 products offer single-chip solutions at
60, 75, 90, and 120 seconds. Parts may also be cascaded together for longer durations.
TABLE 1: ISD2560/75/90/120 PRODUCT SUMMARY
Part Number
Duration
(Seconds)
Input Sample
Rate (kHz)
Typical Filter Pass
Band * (kHz)
ISD2560
60
8.0
3.4
ISD2575
75
6.4
2.7
ISD2590
90
5.3
2.3
ISD25120
120
4.0
1.7
* 3db roll-off point
EEPROM Storage
One of the benefits of Winbond’s ChipCorder
technology is the use of on-chip nonvolatile memory,
providing zero-power message storage. The message is retained for up to 100 years typically without
power. In addition, the device can be re-recorded typically over 100,000 times.
Microcontroller Interface
In addition to its simplicity and ease of use, the ISD2500 series includes all the interfaces necessary
for microcontroller-driven applications. The address and control lines can be interfaced to a
microcontroller and manipulated to perform a variety of tasks, including message assembly, message
concatenation, predefined fixed message segmentation, and message management.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISD2590E | 功能描述:IC VOICE REC/PLAY 90-SEC 28-PDIP 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 |
| ISD2590ER | 功能描述:IC VOICE REC/PLAY 90-SEC 28-PDIP 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 |
| ISD2590G | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| ISD2590P | 功能描述:IC MEM VOICE REC/PLAY 90S 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 |
| ISD2590PRODUCTS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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