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参数资料
| 型号： | ISD2540P |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 音频合成 |
| 英文描述： | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| 中文描述： | 40 SEC, SPEECH SYNTHESIZER WITH RCDG, PDIP28 |
| 封装： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件页数： | 10/42页 |
| 文件大小： | 1356K |
| 代理商： | ISD2540P |
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ISD2532/40/48/64
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 ISD2532/40/48/64 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 ISD2532/40/48/64 products offer single-chip solutions at
32, 40, 48, and 64 seconds. Parts may also be cascaded together for longer durations.
TABLE 1: ISD2532/40/48/64 PRODUCT SUMMARY
Part Number
Duration
(Seconds)
Input Sample
Rate (kHz)
Typical Filter Pass
Band * (kHz)
ISD2532
32
8.0
3.4
ISD2540
40
6.4
2.7
ISD2548
48
5.3
2.3
ISD2564
64
4.0
1.7
* 3dB roll off point. This parameter is not checked during production testing and may vary due
to process variations and other factors. Therefore, customer should not rely on this value for
testing purposes.
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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相关PDF资料 |
PDF描述 |
|---|---|
| ISD2540S | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| ISD2540X | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| ISD2548E | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| ISD2548P | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| ISD2548X | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ISD2540PI | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Solid-State Recorder |
| ISD2540PRODUCTS | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| ISD2540S | 功能描述:IC VOICE REC/PLAY 40-SEC 28-SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD2500 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 |
| ISD2540SI | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Solid-State Recorder |
| ISD2540SR | 功能描述:IC VOICE REC/PLAY 40-SEC 28-SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD2500 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 |
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