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PDF PCM3000E Data sheet ( Hoja de datos )

Número de pieza PCM3000E
Descripción Stereo Audio CODEC 18-BITS/ SERIAL INTERFACE TM
Fabricantes Burr-Brown Corporation 
Logotipo Burr-Brown Corporation Logotipo



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No Preview Available ! PCM3000E Hoja de datos, Descripción, Manual

® F49PP%OCM3001E
PCM3000E
PCM3000
PCM3001
For most current data sheet and other product
information, visit www.burr-brown.com
Stereo Audio CODEC
TM
18-BITS, SERIAL INTERFACE
FEATURES
q MONOLITHIC 18-BIT ∆Σ ADC AND DAC
q 16- OR 18-BIT INPUT/OUTPUT DATA
q STEREO ADC:
Single-ended Voltage Input
64X Oversampling
High Performance:
–88dB THD+N
94dB SNR
94dB Dynamic Range
Digital High-Pass Filter
q STEREO DAC:
Single-ended Voltage Output
Analog Low Pass Filter
64X Oversampling
High Performance:
–90dB THD+N
98dB SNR
97dB Dynamic Range
q SPECIAL FEATURES (PCM3000):
Digital De-emphasis
Digital Attenuation (256 Steps)
Soft Mute
Analog Loop Back
q SAMPLE RATE: Up to 48kHz
q SYSTEM CLOCK: 256fS, 384fS, 512fS
q SINGLE +5V POWER SUPPLY
q SMALL PACKAGE: SSOP-28
DESCRIPTION
The PCM3000/3001 is a low cost single chip stereo
audio CODEC (analog-to-digital and digital-to-analog
converter) with single-ended analog voltage input and
output.
Both ADCs and DACs employ delta-sigma modula-
tion with 64X oversampling. The ADCs include a
digital decimation filter and the DACs include an 8X
oversampling digital interpolation filter. The DACs
also include digital attenuation, de-emphasis, infinite
zero detection and soft mute to form a complete
subsystem. The PCM3000/3001 operates with left-
justified, right-justified, I2S or DSP data formats.
PCM3000 can be programmed with a 3-wire serial
interface for special features and data formats.
PCM3001 can be pin-programmed for data formats.
Fabricated on a highly advanced CMOS process, the
PCM3000/3001 is suitable for a wide variety of cost-
sensitive consumer applications where good perfor-
mance is required. Applications include sampling key-
boards, digital mixers, mini-disc recorders, hard-disk
recorders, karaoke systems, DSP-based car stereo,
DAT recorders, and video conferencing.
Lch In
Rch In
Analog Front-End
Lch Out
Rch Out
Low Pass Filter
and
Output Buffer
Delta-Sigma
Modulator
Multi-Level
Delta-Sigma
Modulator
Digital
Decimation
Filter
Digital
Interpolation
Filter
Serial Interface
and
Mode Control
Digital Out
Digital In
Mode Control
System Clock
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1996 Burr-Brown Corporation
PDS-1342E
1
PCM3P0rin0te0d /in3U0.S0.A1., January, 2000
®

1 page




PCM3000E pdf
TYPICAL PERFORMANCE CURVES
ADC SECTION
At TA = +25°C, VCC = VDD = +5V, fIN = 1.0kHz, fS = 44.1kHz, 18-bit data, VIN = 2.9Vp-p, and SYSCLK = 384fS, unless otherwise noted.
0.01
0.008
THD+N vs TEMPERATURE
–60dB
4.0 0.01
THD+N vs POWER SUPPLY
–60dB
3.0 0.008
0.006
0.004
0dB
2.0 0.006
1.0 0.004
0dB
0.002
–25
0
0 25 50 75 85 100
Temperature (°C)
0.002
4.5 4.75 5.0 5.25 5.5
VCC (V)
4.0
3.0
2.0
1.0
0
0.01
0.008
0.006
0.004
0.002
THD+N vs SYSTEM CLOCK
and SAMPLING FREQUENCY
44.1kHz
–60dB
48kHz
48kHz
0dB
256fS
44.1kHz
384fS
System Clock
512fS
4.0
3.0
2.0
1.0
0
SNR and DYNAMIC RANGE vs POWER SUPPLY
98 98
96 96
Dynamic Range
94 94
SNR
92 92
90 90
4.5 4.75 5.0 5.25 5.50
VCC (V)
0.01
0.008
0.006
0.004
0.002
THD+N vs OUTPUT DATA RESOLUTION
–60dB
0dB
16-Bit
18-Bit
Resolution
4.0
3.0
2.0
1.0
0
®
5 PCM3000/3001

5 Page





PCM3000E arduino
FORMAT 3: FMT[2:0] = "011"
DAC: 18-Bit, MSB-First, Right-Justified
LRCIN
BCKIN
DIN
18
1 23
L-ch
16 17 18
R-ch
123
16 17 18
MSB
ADC: 18-Bit, MSB-First, Right-Justified
LRCIN
BCKIN
DOUT
18
123
L-ch
LSB
16 17 18
MSB
R-ch
123
LSB
16 17 18
MSB
LSB MSB
LSB
FORMAT 4: FMT[2:0] = "100 "
DAC: 18-Bit, MSB-First, Left-Justified
LRCIN
BCKIN
DIN
1 23
L-ch
16 17 18
123
R-ch
16 17 18
1
MSB
ADC: 18-Bit, MSB-First, Left-Justified
LRCIN
BCKIN
DOUT
123
LSB
L-ch
16 17 18
MSB
123
R-ch
LSB
16 17 18
1
FORMAT 5: FMT[2:0] = "101"
DAC: 18-Bit, MSB-First, I2S
LSB MSB
LSB
LRCIN
BCKIN
DIN
1 23
L_ch
16 17 18
12 3
R-ch
16 17 18
MSB
ADC: 18-Bit, MSB-First, I2S
LRCIN
BCKIN
DOUT
1 23
LSB
L-ch
16 17 18
MSB
123
LSB
R-ch
16 17 18
MSB
FORMAT 6: FMT[2:0] = "110"
DAC: 16-Bit, MSB-First, DSP-Frame
LSB MSB
LSB
LRCIN
BCKIN
L-ch
R-ch
DIN 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1
MSB
LSB MSB
LSB
ADC: 16-Bit, MSB-First, DSP-Frame
LRCIN
BCKIN
L-ch
R-ch
DOUT
16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1
MSB
LSB MSB
LSB
FIGURE 3. Audio Data Input/Output Format.
11 PCM3000/3001
®

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