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MFG:BB
Part Number: PCM1802
MFG: BB
Description: The PCM1802 is a high-performance, low-cost, single-chip stereo analog-to-digital converter with singl...
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PCM1802
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DataSheet
General Description
PCM1802 General Description
The PCM1802 is a high-performance, low-cost, single-chip stereo analog-to-digital converter with single-ended analog voltage input. The PCM1802 uses a delta-sigma modulator with 64- or 128-times over-sampling, and includes a digital decimation filter and HPF (low cut filter) which removes the dc component of the input signal. For various applications, the PCM1802 supports master and slave modes and four data formats in serial interface. The PCM1802 is suitable for a wide variety of cost-sensitive consumer applications where good performance, 5-V analog supply, and 3.3-V digital supply operation is required. The PCM1802 is fabricated using a highly advanced CMOS process and is available in the DB 20-pin SSOP package.
PCM1802 Maximum Ratings
Supply voltage: VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 V
VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0 V
Ground voltage differences: AGND, DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.1 V
Digital input voltage: FSYNC, LRCK, BCK, DOUT . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to (VDD + 0.3 V)
PDWN, BYPAS, SCKI, OSR, FMT0, FMT1, MODE0, MODE1 . . . . . . . . 0.3 V to 6.5 V
Analog input voltage: VIN L, VIN R, VREF 1, VCC2 . . . . . . . . . . . . . . . . . .. . . . . . . . 0.3 V to (V + 0.3 V)
Input current (any pins except supplies) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±10 mA
Ambient temperature under bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 to 125
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 to 150
Junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Lead temperature (soldering) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260, 5 s
Package temperature (IR reflow, peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
PCM1802 Features
` 24-Bit Delta-Sigma Stereo A/D Converter
` Single-Ended Voltage Input: 3 V p-p
` Antialiasing Filter Included
` Oversampling Decimation Filter
Oversampling Frequency: *64, *128
Passband Ripple: ±0.05 dB
Stopband Attenuation: 65 dB
On-Chip HPF (Low Cut Filter): 0.84 Hz
` (44.1 kHz) High Performance
THD+N: 96 dB (Typical)
SNR: 105 dB (Typical)
Dynamic Range: 105 dB (Typical) PCM Audio Interface
Master/Slave Mode Selectable
Data Formats: 24-Bit Left-Justified;
24-Bit I2S; 20-, 24-Bit Right-Justified
` Sampling Rate: 16 kHz to 96 kHz System Clock: 256 fS , 384 fS , 512 fS , 768 fS
` Dual Power Supplies: 5 V for Analog, 3.3 V for
` Digital Package: 20-Pin SSOP Lead-Free Product
PCM1802 Typical Application
· AV Amp Receiver
· MD Player
· CD Recorder
· Multitrack Receiver
· Electric Musical Instrument
PCM1802 Connection Diagram
PCM1802
PDF/DataSheet Download
- Datasheet: PCM1802
- File Size: 375113 KB
- Manufacturer: TI [Texas Instruments]
- Click here to Download
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