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PDF PCM3060 Data sheet ( Hoja de datos )
| Número de pieza | PCM3060 | |
| Descripción | 96/192-kHz ASYNCHRONOUS STEREO AUDIO CODEC | |
| Fabricantes | Burr-Brown | |
| Logotipo |  |
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BurrĆBrown Products
from Texas Instruments
PCM3060
SLAS533 – MARCH 2007
24-BIT, 96/192-kHz ASYNCHRONOUS STEREO AUDIO CODEC
FEATURES
• 24-Bit Delta-Sigma ADC and DAC
• ADC, DAC Asynchronous Operation
• Stereo ADC:
– High Performance: (Typical, 48 kHz)
– THD+N: –93 dB
– SNR: 99 dB
– Dynamic Range: 99 dB
– Sampling Rate: 16–96 kHz
– System Clock: 256, 384, 512, 768 fS
– Full Scale Input: 3 Vp-p
– Antialiasing Filter Included
– 1/64 Decimation Filter:
– Pass-Band Ripple: ±0.05 dB
– Stop-Band Attenuation: –65 dB
– On-Chip High-Pass Filter: 0.91 Hz at
fS = 48 kHz
• Stereo DAC:
– High Performance: (Typical, Differential,
48 kHz)
– THD+N: –94 dB
– SNR: 105 dB
– Dynamic Range: 104 dB
– Sampling Rate: 16–192 kHz
– System Clock: 128, 192, 256, 384,
512, 768 fS
– Differential Voltage Output: 8 Vp-p
– Single-Ended Voltage Output: 4 Vp-p
– Analog Low-Pass Filter Included
– 4×/8× Oversampling Digital Filter:
– Pass-Band Ripple: ±0.04 dB
– Stop-Band Attenuation: –50 dB
– Zero Flags
• Flexible Mode Control
– 3-Wire SPI, 2-Wire I2C Compatible Serial
Control Interface
– Hardware Control Mode
• Multiple Functions via SPI or I2C Interface:
– Digital Attenuation and Soft Mute for ADC
and DAC
– Digital De-Emphasis: 32, 44.1, 48 kHz for
DAC
– Power Down: ADC/DAC Independently
– Asynchronous/Synchronous Control for
ADC/DAC Operation
• External Reset and Power-Down Pin:
– ADC/DAC Simultaneously
• Audio Interface Mode:
– ADC/DAC Independent Master/Slave
• Audio Data Format:
– ADC/DAC Independent
– I2S, Left-Justified, Right-Justified
• Dual Power Supplies:
– 5-V for Analog and 3.3-V for Digital
• Package: TSSOP-28
APPLICATIONS
• DVD-RW
• Digital TV
• Digital Set-Top Box
• Audio-Visual Applications
DESCRIPTION
The PCM3060 is a low-cost, high-performance,
single-chip, 24-bit stereo audio codec with
single-ended analog inputs and differential analog
outputs.
The stereo 24-bit ADC employs a 64-times
delta-sigma modulator. It supports 16–96 kHz
sampling rates and a 16/24-bit digital audio output
word on the audio interface.
The stereo 24-bit DAC employs a 64- or 128-times
delta-sigma modulator. It supports 16–192 kHz
sampling rates and a 16/24-bit digital audio input
word on the audio interface.
The PCM3060 supports fully independent operation
of the sampling rate and audio interface for the ADC
and DAC.
Each audio interface supports I2S, left-justified, and
right-justified formats with 16/24-bit words.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2007, Texas Instruments Incorporated
1 page  
PCM3060
www.ti.com
SLAS533 – MARCH 2007
ELECTRICAL CHARACTERISTICS (continued)
All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, fS = 48 kHz, SCKI1 = SCKI2 = 512 fS, 24-bit data (unless otherwise
noted).
PARAMETER
TEST CONDITIONS
DYNAMIC PERFORMANCE (SINGLE-ENDED) (8)(9)(10)
THD+N
VOUT = 0 dB, fS = 48 kHz
Total harmonic distortion + noise VOUT = 0 dB, fS = 96 kHz
VOUT = 0 dB, fS = 192 kHz
fS = 48 kHz, EIAJ, A-weighted
Dynamic range
fS = 96 kHz, EIAJ, A-weighted
fS = 192 kHz, EIAJ, A-weighted
fS = 48 kHz, EIAJ, A-weighted
SNR
Signal-to-noise ratio
fS = 96 kHz, EIAJ, A-weighted
fS = 192 kHz, EIAJ, A-weighted
fS = 48 kHz
Channel separation
fS = 96 kHz
fS = 192 kHz
fS1 = 48 kHz, fS2 = 44.1 kHz
Crosstalk from ADC
fS1 = 48 kHz, fS2 = 88.2 kHz
fS1 = 48 kHz, fS2 = 176.4 kHz
DYNAMIC PERFORMANCE (DIFFERENTIAL) (8)(9)(11)
VOUT = 0 dB, fS = 48 kHz
THD+N
Total harmonic distortion + noise VOUT = 0 dB, fS = 96 kHz
VOUT = 0 dB, fS = 192 kHz
fS = 48 kHz, EIAJ, A-weighted
Dynamic range
fS = 96 kHz, EIAJ, A-weighted
fS = 192 kHz, EIAJ, A-weighted
fS = 48 kHz, EIAJ, A-weighted
SNR
Signal-to-noise ratio
fS = 96 kHz, EIAJ, A-weighted
fS = 192 kHz, EIAJ, A-weighted
fS = 48 kHz
Channel separation
fS = 96 kHz
fS = 192 kHz
fS1 = 48 kHz, fS2 = 44.1 kHz
Crosstalk from ADC
fS1 = 48 kHz, fS2 = 88.2 kHz
fS1 = 48 kHz, fS2 = 176.4 kHz
DIGITAL FILTER PERFORMANCE
SHARP ROLLOFF
Pass band
Stop band
Pass-band ripple
Stop-band attenuation
< 0.454 fS
> 0.546 fS
PCM3060PW
MIN TYP
MAX
UNIT
–93 –85
–94 dB
–94
99 103
103 dB
103
100 104
104 dB
104
97 101
101 dB
101
97 101
101 dB
101
–94
–95 dB
–95
104
104 dB
104
105
105 dB
105
103
103 dB
103
103
103 dB
103
0.546
fS
–50
0.454
fS
±0.04
Hz
Hz
dB
dB
(8) fS = 96 kHz: SCKI1 = SCKI2 = 256 fS, fS = 192 kHz: SCKI1 = 512 fS at fS = 48 kHz and SCKI2 = 128 fS at fS = 192 kHz.
(9) fOUT = 1 kHz, using System Two audio measurement system by Audio Precision, RMS mode with 20-kHz LPF and 400-Hz HPF.
(10) Assumed 5-kΩ AC-coupled second-order LPF and 115-dB or higher- performance buffer.
(11) Assumed 10-kΩ DC-coupled second-order LPF and 115- dB or higher-performance differential to single-ended converter.
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5
5 Page 
PCM3060
www.ti.com
SLAS533 – MARCH 2007
TYPICAL PERFORMANCE CURVES OF DAC INTERNAL FILTER
All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, fS = 48 kHz, SCKI1 = SCKI2 = 512 fS, 24-bit data,
unless otherwise noted.
DIGITAL FILTER
INTERPOLATION FILTER, STOP BAND
(SHARP-ROLL OFF)
0
INTERPOLATION FILTER, PASS BAND
(SHARP-ROLL OFF)
0.1
−20
0.0
−40
−0.1
−60
−80 −0.2
−100
−120
−140
−0.3
−0.4
−160
0
123
Normalized Frequency [×fS]
Figure 5.
4
G005
−0.5
0.0
0.1 0.2 0.3 0.4
Normalized Frequency [×fS]
Figure 6.
0.5
G006
ANALOG FILTER
DE-EMPHASIS FILTER CHARACTERISTICS
(fS = 44.1 kHz)
0
−1
−2
−3
−4
−5
−6
−7
−8
−9
−10
0 2 4 6 8 10 12 14 16 18 20
f − Frequency − kHz
G007
Figure 7.
LOW-PASS FILTER CHARACTERISTICS
0
−10
−20
−30
−40
−50
1
10 100 1k
f − Frequency − kHz
Figure 8.
10k
G008
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11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet PCM3060.PDF ] | |
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