TC94A04AF

更新时间： 2024-02-16 15:51:08

品牌	Logo	应用领域
东芝 - TOSHIBA		消费电路商用集成电路
页数	文件大小	规格书
42页	557K
描述
1 CHIP AUDIO DIGITAL PROCESSOR

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技术参数
数据手册

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TC94A04AF 技术参数

生命周期：	Active	零件包装代码：	QFP
包装说明：	QFP,	针数：	60
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.62	Is Samacsys：	N
商用集成电路类型：	CONSUMER CIRCUIT	JESD-30 代码：	S-PQFP-G60
长度：	14 mm	功能数量：	1
端子数量：	60	最高工作温度：	75 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	QFP	封装形状：	SQUARE
封装形式：	FLATPACK	认证状态：	Not Qualified
座面最大高度：	3.05 mm	最大供电电压 (Vsup)：	5.25 V
最小供电电压 (Vsup)：	4.75 V	表面贴装：	YES
技术：	CMOS	温度等级：	OTHER
端子形式：	GULL WING	端子节距：	0.8 mm
端子位置：	QUAD	宽度：	14 mm
Base Number Matches：	1

TC94A04AF 数据手册

TC94A04AF/AFD

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC94A04AF,TC94A04AFD

1 chip Audio Digital Processor

TC94A04AF/AFD is a single-chip audio Digital Signal Processor,

incorporating 4 way stereo analog switch, 2 ch AD converter, 4 ch

DA converter, and electronic volume for trimming.

TC94A04AF

It is possible to realize many applications, such as sound field

control -hall simulation, for example-, digital filter for equalizers,

surround, base boost and something.

Features

•

Incorporates a 4 ch-stereo analog switch for AD converter

input.

•

Incorporates a 1 ch stereo line-out.

TC94A04AFD

Incorporates a 1 bit ∑ ∆-type AD converter (two channels).

THD: −82dB (typ.) S/N: 95dB (typ.)

•

Incorporates a 1 bit ∑ ∆-type DA converter (four channels).

THD: −86dB (typ.) S/N: 98dB (typ.)

Incorporates a trimming analog volume for each output of DA

converter. 0dB to −24dB (1dB step)

As digital input/output port, this has 3 input port (6 ch) and 1

output port (2 ch), enabling input/output of sampling of 96

kHz/24 bit.

Weight

•

Incorporates a built-in digital de-emphasis filter.

Incorporates a digital attenuator.

Incorporates a boot ROM to set a coefficient automatically,

QFP60-P-1414-0.80D: 1.08 g (typ.)

QFP80-P-1420-0.80B: 1.57 g (typ.)

which enables to transfer an initial data from built-in ROM/RAM to registers at the time of resetting

Boot ROM: 512 words

•

The DSP block specifications are as follows:

Data bus: 24 bits

Multiplier/adder: 24 bits × 16 bits + 43 bits → 43 bits

Accumulator: 43 bits (sign extension: 4 bits)

Program ROM: 1024 words × 32 bits

Coefficient RAM: 384 words × 16 bits

Coefficient ROM: 256 words × 16 bits

Offset RAM: 16 words × 11 bits

Data RAM: 256 words × 24 bits

Interface buffer RAM: 32 words × 16 bits

Operation speed: 22.5 MIPS (510 step/fs: master clock = 768 fs, fs = 44.1 kHz)

Note 1: At the time of an analog input, approximately 170 steps (85 step/ch) in 510 step are used for the operation

of the decimation filter for AD converters.

•

Incorporates data delay RAM (32 kbits).

Delay RAM: 2048 words × 16 bits (32 kbits)

•

The microcontroller interface can be selected between Toshiba original 3 line mode and I C mode.

CMOS silicon structure supports high speed.

Power supply is a single 5 V.

The package are 60-pin and 80 pin flat package.

2001-11-15

12 3 4 5 6 7...42

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