Datasheet > AK7716VT

AK7716VT

更新时间： 2024-02-29 13:53:50

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Consumer IC

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AK7716VT 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.78
Base Number Matches：	1

AK7716VT 数据手册

[ASAHI KASEI]

[AK7716]

AK7716

20bit 2ch ADC + 24bit 4ch DAC with Audio DSP

General Description

The AK7716 is a highly integrated audio processing IC, including 4 24-bit output D/A channels, a stereo 20-bit input

A/D, on-chip DSP. High quality analog performance is provided by quad D/A with 113dB dynamic range, and stereo

A/D with 98dB dynamic range. These converters support the standard audio sampling frequencies of 48,44.1 and

32kHz.

The programmable DSP is optimized for audio signal processing. The design allows up to 512 execution lines per

audio sample cycle, with multiple functions per line. The AK7716 has a self-boot capability, using an external

EEPROM.

The AK7716 can be used to implement complete sound field control, such as echo, 3D, parametric equalization,

etc. It is packaged in a 100-lead LQFP package.

Features

DSP:

Word length:

Instruction cycle time: 40.69ns (512fs, fs=48kHz)

Multiplier: 24 x 16 ® 40-bit

24-bit (Data RAM)

Divider:

ALU:

24 / 24 ® 16-bit

34-bit arithmetic operation (Overflow margin: 4bit)

24-bit arithmetic and logic operation

Shift+Register: 1, 2, 3, 4, 8 and 15 bits shifted left

1, 2, 3, 4, 8 and 15 bits shifted right

Other numbers in parentheses are restricted. Provided with indirect shift function

Program RAM:

Coefficient RAM:

Data RAM:

Offset RAM:

External Memory:

Sampling frequency: 32kHz to 48kHz

Serial interface port for micro-controller

Master clock: 512fs, 384fs, 256fs

Master/Slave operation

448 x 32-bit

384 x 16-bit

256 x 24-bit

48 x 20-bit

Up to16Mbit DRAM or up to 1Mbit SRAM

Serial signal input port ( 2 to 6 ch ): 16/20/24-bit : Output port ( 4 to 8 ch ): 24-bit

Self-boot function using 32kbit E²PROM AK93C95A

ADC: 2 channels

20-bit 64x Over-sampling delta sigma

DR, S/N : 98dB

S/(N+D) : 92dB @-0.5dBFS

Digital HPF (fc = 1Hz)

Single-ended or Full-differential Input

DAC: 4 channels

24-bit 128x Over-sampling advanced multi-bit

DR, S/N : 113dBA

S/(N+D) : 90dB @-10dBFS, 83dB @0dBFS

Full-differential Output

SMUTE function

Other

Power supply:

Operating temperature range: -40°C~85°C

+5V±5%

Package: 100pin LQFP (0.5mm pitch)

- 1 -

<M0057-E-01>

1999/09

12 3 4 5 6 7...60

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