PCM1704
PCM1704 is DIGITAL-TO-ANALOG CONVERTER manufactured by Burr-Brown.
®
49% PCM1704 FPO
TM 24-Bit, 96k Hz Bi CMOS Sign-Magnitude DIGITAL-TO-ANALOG CONVERTER
Features q SAMPLING FREQUENCY (f S): 16k Hz to 96k Hz q 8X OVERSAMPLING AT 96k Hz q INPUT AUDIO DATA WORD: 20-, 24-Bit q HIGH PERFORMANCE:
Dynamic Range: K Grade = 112d B typ SNR: 120d B typ THD+N: K Grade = 0.0008% typ q FAST CURRENT OUTPUT: ±1.2m A/200ns q GLITCH-FREE OUTPUT q PIN-PROGRAMMABLE DATA INVERSION q POWER SUPPLY: ±5V q SMALL 20-LEAD SO PACKAGE
DESCRIPTION
The PCM1704 is a precision, 24-bit digital-to-analog converter with exceptionally high dynamic performance. The ultra-low distortion and excellent lowlevel signal performance makes the PCM1704 an ideal candidate for high-end consumer and professional audio applications. When used with a digital interpolation filter, the PCM1704 supports 8X oversampling at 96k Hz.
The PCM1704 incorporates a Bi CMOS sign-magnitude architecture that eliminates glitches and other nonlinearities around bipolar zero. The PCM1704 is precision laser-trimmed at the factory to minimize differential linearity and gain errors.
In addition to high performance audio systems, the PCM1704 is well-suited to waveform synthesis applications requiring very low distortion and noise.
BCLK
23-Bit DAC A
WCLK
Serial Input
DATA and
Control Logic
20-BIT
23-Bit DAC B
IOUT
INVERT
Reference and Servo
Bipolar Offset
Power Supply
REF DC SERVO DC
- VDD DGND +VDD
- VCC AGND +VCC BPO DC
SBAS097
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