AD1955集成電路（IC）的ADC/DAC-特殊用途規(guī)格書PDF中文資料

AD1955屬于集成電路（IC）的ADC/DAC-特殊用途。由亞德諾半導體技術有限公司制造生產的AD1955ADC/DAC - 特殊用途該產品族中的產品可用于模擬和數字表示的信息轉換，適用于特定用例，或集成了通用數據轉換器中不常見的其他功能。例如針對超聲或汽車雷達應用集成了低噪聲放大器和可變增益級的器件、注重音頻和視頻的產品、在段碼式顯示器上集成顯示測量值功能的器件、集成輸入輸出電氣隔離的器件等。

FEATURES

5 V Power Supply Stereo Audio DAC System

Accepts 16-/18-/20-/24-Bit Data

Supports 24-Bit, 192 kHz Sample Rate PCM Audio Data

Supports SACD Bit Stream and External Digital Filter

Interface

Accepts a Wide Range of PCM Sample Rates Including:

32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, and

192 kHz

Multibit Sigma-Delta Modulator with Perfect Differential

Linearity Restoration for Reduced Idle Tones and

Noise Floor

Data Directed Scrambling DAC––Low Sensitivity to Jitter

Supports SACD Playback with Bit Expansion Filter

Differential Current Output for Optimum Performance

8.64 mA p-p Differential Output

120 dB SNR/DNR (not muted) at 48 kHz Sample Rate

(A-Weighted Stereo)

123 dB SNR/DNR (Mono)

–110 dB THD + N

110 dB Stop-Band Attenuation with 0.0002 dB

Pass-Band Ripple

8 Oversampling Digital Filter

On-Chip Clickless Volume Control

Supports SACD-Mute Pattern Detection

Supports 64 fS/128 fS DSD SACD with Phase Mode

Internal Digital Filter Pass-Through for External Filter

Master Clock: 256 fS, 512 fS, 768 fS

Hardware and Software Controllable Clickless Mute

Serial (SPI) Control for Serial Mode, Number of Bits,

Sample Rate, Volume, Mute, De-Emphasis, Mono Mode

Digital De-Emphasis for 32 kHz, 44.1 kHz, and 48 kHz

Sample Rates

Flexible Serial Data Port with Right-Justified, Left-

Justified, I2S, and DSP Modes

28-Lead SSOP Plastic Package

APPLICATIONS

High End DVD Audio

SACD

CD

Home Theater Systems

Automotive Audio Systems

Sampling Musical Keyboards

Digital Mixing Consoles

Digital Audio Effects Processors