HT8950A

更新时间： 2024-01-13 21:45:01

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		音频控制集成电路消费电路光电二极管 LTE
页数	文件大小	规格书
10页	156K
描述
Voice Modulator

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技术参数
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HT8950A 技术参数

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HT8950A 数据手册

HT8950/HT8950A

Voice Modulator

Features

Operating voltage: 2.4V~4.0V

8-bit A/D and D/A converters

On-chip SRAM

LED indicator with voice level

Robot function

Push button selection or electronic mode

Minimal external components

Vibrato function

8kHz sampling rate

HT8950: 18-pin DIP package

HT8950A: 16-pin DIP package

7-step level shifting

Applications

Educational Toys/leisure products

Audio system

Mixers

Speech system

Telephone system

Recorders

General Description

The HT8950/HT8950A are single chip CMOS LSI voice

modulator ICs which provide seven steps to shift the fre-

quency of an input voice, producing a dramatic change

in the output.

from the two groups of pins namely, SW0, SW1 and

SW2 for electronic direct selection and ROB, TGD, TGU

and VIB for push button selection.

The HT8950/HT8950A include a built-in microphone

amplifier with an internal bias, an 8-bit A/D converter, 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 sam-

pling rate of 8kHz ensures a high quality and high S/N

ratio output voice. The chips provide an LED indicator

which flashes in accordance with the volume of the input

voices.

The HT8950/HT8950A provide two special effects: Vi-

brato and Robot. The Vibrato effect is generated by al-

ternating the frequency of an input signal up and down

at a rate of 8Hz. The Robot function, on the other hand,

converts an input voice into a Robot voice. Both effects

can be selected depending on which pin is triggered, ei-

ther ROB or VIB. For the output frequency level shifting,

the chips provide seven steps which can be selected

Pin Assignment

Rev. 1.10

November 16, 2006

12 3 4 5 6 7...10

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