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参数资料
| 型号： | ISD25120 |
| 厂商： | WINBOND ELECTRONICS CORP |
| 英文描述： | ISD2560 |
| 中文描述： | ISD2560 |
| 文件页数： | 6/42页 |
| 文件大小： | 380K |
| 代理商： | ISD25120 |
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ISD2560/75/90/120
- 6 -
6. PIN DESCRIPTION
PIN NO.
PIN NAME
SOIC/
PDIP
TSOP
FUNCTION
Ax/Mx
1-10/
1-7
8-17/
8-14
Address/Mode Inputs
: The Address/Mode Inputs have two
functions depending on the level of the two Most Significant Bits
(MSB) of the address pins (A8 and A9).
If either or both of the two MSBs are LOW, the inputs are all
interpreted as address bits and are used as the start address for
the current record or playback cycle. The address pins are inputs
only and do not output any internal address information during the
operation. Address inputs are latched by the falling edge of
CE
.
If both MSBs are HIGH, the Address/Mode inputs are interpreted as
Mode bits according to the Operational Mode table on page 12.
There are six operational modes (M0…M6) available as indicated in
the table. It is possible to use multiple operational modes
simultaneously. Operational Modes are sampled on each falling
edge of
CE, and thus Operational Modes and direct addressing
are mutually exclusive.
AUX IN
11
18
Auxiliary Input:
The Auxiliary Input is multiplexed through to the
output amplifier and speaker output pins when CE is HIGH, P/
R
is HIGH, and playback is currently not active or if the device is in
playback overflow. When cascading multiple ISD2500 devices, the
AUX IN pin is used to connect a playback signal from a following
device to the previous output speaker drivers. For noise
considerations, it is suggested that the auxiliary input not be driven
when the storage array is active.
V
SSA
, V
SSD
13, 12
20, 19
Ground
: The ISD2500 series of devices utilizes separate analog
and digital ground busses. These pins should be connected
separately through a low-impedance path to power supply ground.
SP+/SP-
14/15
21/22
Speaker Outputs
: All devices in the ISD2500 series include an on-
chip differential speaker driver, capable of driving 50 mW into 16
from AUX IN (12.2mW from memory).
[1]
The speaker outputs are held at V
SSA
levels during record and
power down. It is therefore not possible to parallel speaker outputs
of multiple ISD2500 devices or the outputs of other speaker drivers.
[2]
A single-end output may be used (including a coupling capacitor
between the SP pin and the speaker). These outputs may be used
individually with the output signal taken from either pin. However,
the use of single-end output results in a 1 to 4 reduction in its
output power.
[1]
Connection of speaker outputs in parallel may cause damage to the device.
[2]
Never ground or drive an unused speaker output.
相关PDF资料 |
PDF描述 |
|---|---|
| ISD2560 | ISD2560 |
| ISD2575 | ISD2560 |
| ISD2590 | ISD2560 |
| ISD2532E | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| ISD2532P | 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 |
|---|---|
| ISD25120G | 制造商:未知厂家 制造商全称:未知厂家 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 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 |
| ISD25120PRODUCTS | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| ISD25120S | 功能描述:IC VOICE REC/PLAY 120SEC 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 |
| ISD25120X | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations |
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