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HT8950

更新时间： 2024-01-30 18:13:03

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
11页	662K
描述
Voice Modulator

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HT8950 技术参数

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HT8950 数据手册

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HT8950

Voice Modulator

Features

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Operating voltage: 2.4~4.0V

On-chip SRAM

Robot function

Vibrato function

8kHz sampling rate

7-step level shifting

8-bit A/D and D/A converters

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LED indicator with voice level

Push button selection or electronic mode

Few external components required

16-pin/18-pin DIP package

Applications

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Toys

Mixers

Recorders

Audio system

Speech system

Telephone system

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General Description

The HT8950 is a single chip CMOS LSI voice

modulator. It provides 7 steps to shift the fre-

quency of an input voice, producing a dramati-

cal change in the output.

SW0, SW1 and SW2 for electronic direct selec-

tion and ROB, TGD, TGU and VIB for push

button selection.

The HT8950 includes a built-in microphone am-

plifier with an internal bias, an 8-bit A/D con-

verter, a built-in SRAM as well as a current

output type 8-bit D/A converter. The 8-bit A/D

and D/A converters with a sampling rate of

8kHz ensures a high quality and high S/N ratio

output voice. The chip provides an LED indica-

tor which flashes with the volume of the input

voices. It is offered in a 16-pin or 18-pin DIP

package.

The HT8950 provides two special effects: Vi-

brato and Robot. The Vibrato effect is generated

by alternating the frequency of an input signal

up and down at a rate of 8Hz. The Robot func-

tion, on the other hand, converts an input voice

into a Robot voice. Both effects can be selected

depending on which pin is triggered, either

ROB or VIB. For the output frequency level

shifting, the chip provides 7 steps which can be

selected from the two groups of pins namely,

1

5th May ’98

12 3 4 5 6 7...11

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