PCM1770RGAR ,24-Bit Low Power Stereo Audio DAC with Headphone AmplifierMAXIMUM RATINGS(1)over operating free-air temperature range unless otherwise notedPCM1770PCM1771Sup ..
PCM1771 ,24-Bit Low Power Stereo Audio DAC with Headphone Amplifiermaximum ratings" may cause permanent damage to the device. These are stress ratingsonly, and functi ..
PCM1771PWR ,24-Bit Low Power Stereo Audio DAC with Headphone AmplifierELECTRICAL CHARACTERISTICSall specifications at T = 25°C, V = V = 2.4 V, f = 44.1 kHz, system clock ..
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PCM1770PW-PCM1770PWR-PCM1770RGA-PCM1770RGAR
24-Bit Low Power Stereo Audio DAC with Headphone Amplifier
FEATURES APPLICATIONS
DESCRIPTION
PCM1770, PCM1771
SLES011E–SEPTEMBER 2001–REVISED MARCH 2007
LOW-VOLTAGE AND LOW-POWER STEREO AUDIO DIGITAL-TO-ANALOG CONVERTER
WITH HEADPHONE AMPLIFIER Portable Audio Player•
Multilevel DAC Including Headphone Amplifier Cellular Phone•
Analog Performance(VCC,VHP= 2.4 V): PDA– Dynamic Range:98 dB Typ •
Other Applications Requiring Low-Voltage– THD+Nat0 dB: 0.1% Typ Operation– THD+Nat –20 dB: 0.04% Typ Output PoweratRL=16Ω:
13 mW
(Stereo),26 mW (Monaural) The PCM1770 and PCM1771 devices are CMOS,•
1.6-Vto 3.6-V Single Power Supply monolithic, integrated circuits which include stereo
Low Power Dissipation: 6.5 mWat VCC, VHP= digital-to-analog converters, headphone circuitry, and
support circuitryin small TSSOP-16 and VQFN-20
2.4Vpackages.•
System Clock: 128fS, 192fS, 256fS, 384fSThe data converters use TI's enhanced multilevel Δ-Σ•
Sampling Frequency:5 kHzto50 kHz architecture, which employs noise shaping and•
Software Control (PCM1770): multilevel amplitude quantizationto achieve excellent
– 16-, 20-, 24-Bit Word Available dynamic performance and improved tolerance to
clock jitter. The PCM1770 and PCM1771 devices
– Left-, Right-Justified, andI2Saccept several industry standard audio data formats
– Slave/Master Selectable with 16- to 24-bit data, left-justified,I2S, etc.,
– Digital Attenuation:0 dBto –62 dB,1 providing easy interfacingto audio DSP and decoder
dB/Step devices. Sampling rates upto50 kHz are supported. full set of user-programmable functions is
– 44.1-kHz Digital De-Emphasisaccessible througha 3-wire serial control port, which
– Zero Cross Attenuation supports register write functions.
– Digital Soft Mute Monaural Analog-In With Mixing Monaural Speaker Mode Hardware Control (PCM1771): Left-Justified andI2S 44.1-kHz Digital De-Emphasis Monaural Analog-In With Mixing Pop-Noise-Free Circuit 3.3-V Tolerant Packages: TSSOP-16 and VQFN-20
