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BurrĆBrown Products from Texas Instruments
PCM1770, PCM1771
SLES011E – SEPTEMBER 2001 – REVISED MARCH 2007
LOW-VOLTAGE AND LOW-POWER STEREO AUDIO DIGITAL-TO-ANALOG CONVERTER WITH HEADPHONE AMPLIFIER
FEATURES
• Multilevel DAC Including Headphone Amplifier • Analog Performance (VCC, VHP = 2.4 V):
– Dynamic Range: 98 dB Typ
– THD+N at 0 dB: 0.1% Typ
– THD+N at –20 dB: 0.04% Typ – Output Power at RL = 16 Ω: 13 mW
(Stereo), 26 mW (Monaural) • 1.6-V to 3.6-V Single Power Supply • Low Power Dissipation: 6.5 mW at VCC, VHP =
2.4 V • System Clock: 128 fS, 192 fS, 256 fS, 384 fS • Sampling Frequency: 5 kHz to 50 kHz • Software Control (PCM1770):
– 16-, 20-, 24-Bit Word Available – Left-, Right-Justified, and I2S
– Slave/Master Selectable
– Digital Attenuation: 0 dB to –62 dB, 1 dB/Step
– 44.