PCM3008系列介绍资料

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PCM3008

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具有线性输出的低功耗低压立体声编解码器（H/W 控制）

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The PCM3008 is a low cost single chip 16-bit stereo audio codec with single-ended analog voltage input and output.

Both ADCs and DACs employ delta-sigma modulation with 64-times oversampling. ADCs include a digital decimation filter and digital high pass filter. DACs include an 8-times oversampling digital interpolation filter, digital de-emphasis filter and pop-noise free muting which works during the power down ON/OFF sequence. The PCM3008 accepts left-justified format for ADC, and right-justified format for DAC. Independent power-down modes for ADC and DAC are provided.

The PCM3008 is suitable for a wide variety of cost-sensitive consumer applications where good performance is required. It is fabricated using a highly advanced CMOS process and is available in a small 16-pin TSSOP package.

16-Bit Delta-Sigma ADC and DAC
Stereo ADC:
- Single-Ended Voltage Input
- Anti-Aliasing Filter Included
- High Performance
- THD+N: -84 dB
- SNR: 88 dB
- Dynamic Range: 88 dB
- 1/64× Decimation Digital Filter
- Passband Ripple: ±0.05 dB
- Stopband Attenuation: -65 dB
- Digital HPF Included
Stereo DAC:
- Single-Ended Voltage Output
- Analog LPF and FIR Filter Included
- High Performance
- THD+N: -88 dB
- SNR: 92 dB
- Dynamic Range: 92 dB
- 8× Oversampling Digital Filter
- Passband Ripple: ±0.1 dB
- Stopband Attenuation: -43 dB
Audio Data Format:
- ADC: 16-bit, Left-Justified
- DAC: 16-bit, Right-Justified
Special Built-In Functions:
- Digital De-Emphasis: 32, 44.1, 48 kHz
- ADC/DAC Independent Power Down With Pop-Noise Free Muting
Sampling Rate: 8 kHz to 48 kHz
System Clock: 256f_S, 384f_S, 512f_S
Low Voltage Power Supply:
- 2.4 V TYP, 2.1 V MIN to 3.6 V MAX
Low Power Dissipation:
- 32 mW at V_CC = 2.4 V
Package: 16-Pin TSSOP
APPLICATIONS
- Digital Video Camera
- Portable MD Player
- Other Portable System

Number of ADC channels	2
Number of DAC channels	2
Digital audio interface	L, R
Analog inputs	2
Analog outputs	2
Sampling rate (max) (kHz)	48
Rating	Catalog
ADC SNR (typ) (dB)	88
DAC SNR (typ) (dB)	92
Operating temperature range (°C)	-25 to 85

TSSOP (PW)

32 mm² 5 x 6.4

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PCM3008

具有线性输出的低功耗低压立体声编解码器（H/W 控制）

4000-306-326