PCM1807 Texas instruments

PCM1807

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PCM1807

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Описание

The PCM1807 is high-performance, low-cost, single-chip stereo analog-to-digital converter with single-ended analog voltage input. The PCM1807 uses a delta-sigma modulator with 64-times oversampling and includes a digital decimation filter and high-pass filter that removes the dc component of the input signal. For various applications, the PCM1807 supports master and slave mode and two data formats in serial audio interface. The PCM1807 has many functions which are con- trolled through SPI serial-control port: power down, fade-in and fade-out, polarity control, etc. The PCM1807 is suitable for wide variety of cost-sensitive consumer applications where good per- formance and operation with a 5-V analog supply and 3.3-V digital supply is required. The PCM1807 is fabricated using a highly advanced CMOS process and is available in a small, 14-pin TSSOP package.

24-Bit Delta-Sigma Stereo A/D Converter
Single-Ended Voltage Input: 3 Vp-p
Oversampling Decimation Filter:
– Oversampling Frequency: ×64
– Pass-Band Ripple: ±0.05 dB
– Stop-Band Attenuation: –65 dB
– On-Chip High-Pass Filter: 0.91 Hz (48 kHz)
High Performance:
– THD+N: –93 dB (Typical)
– SNR: 99 dB (Typical)
– Dynamic Range: 99 dB (Typical)
PCM Audio Interface With SPI Control:
– Master/Slave Mode Selectable
– Data Formats: 24-Bit Left-Justified, 24-Bit I²S
Multiple Functions with SPI Control:
– Power Down
– Mute with Fade-Out and Fade-In
– Polarity Control
Analog Antialias LPF Included
Sampling Rate: 16–96 kHz
System Clock: 256 f_S, 384 f_S, 512 f_S
Dual Power Supplies:
– 5-V for Analog
– 3.3-V for Digital
Package: 14-Pin TSSOP
APPLICATIONS
- DVD Recorder
- Digital TV
- AV Amplifier/Receiver
- MD Player
- CD Recorder
- Multitrack Receiver
- Electric Musical Instrument

System Two, Audio Precision are trademarks of Audio Precision, Inc.
All trademarks are the property of their respective owners.

Number of ADC channels	2
Analog inputs	2
Digital audio interface	I2S, L
Control interface	SPI
Sampling rate (max) (kHz)	96
ADC SNR (typ) (dB)	99
Rating	Catalog
Analog outputs	0
Operating temperature range (°C)	-40 to 85