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PDF PCM3003 Data sheet ( Hoja de datos )

Número de pieza PCM3003
Descripción 16-/20-Bit Single-Ended Analog Input/Output STEREO AUDIO CODECs
Fabricantes Burr-Brown Corporation 
Logotipo Burr-Brown Corporation Logotipo



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No Preview Available ! PCM3003 Hoja de datos, Descripción, Manual

®
PCM3003
PCM3002
PCM3002
PCM3003
For most current data sheet and other product
information, visit www.burr-brown.com
16-/20-Bit Single-Ended Analog Input /Output
TM STEREO AUDIO CODECs
FEATURES
q MONOLITHIC 20-BIT ∆Σ ADC AND DAC
q 16-/20-BIT INPUT/OUTPUT DATA
q SOFTWARE CONTROL: PCM3002
q HARDWARE CONTROL: PCM3003
q STEREO ADC:
Single-Ended Voltage Input
64 X Oversampling
High Performance
THD+N: –86dB
SNR: 90dB
Dynamic Range: 90dB
q STEREO DAC:
Single-Ended Voltage Output
Analog Low Pass Filter
64X Oversampling
High Performance
THD+N: –86dB
SNR: 94dB
Dynamic Range: 94dB
q SPECIAL FEATURES
Digital De-emphasis
Digital Attenuation (256 Steps)
Soft Mute
Digital Loop Back
Power Down: ADC/DAC Independent
q SAMPLING RATE: Up to 48kHz
q SYSTEM CLOCK: 256fS, 384fS, 512fS
q SINGLE +3V POWER SUPPLY
q SMALL PACKAGE: SSOP-24
DESCRIPTION
The PCM3002 and PCM3003 are low cost single chip
stereo audio CODECs (analog-to-digital and digital-to-
analog converters) with single-ended analog voltage
input and output.
The ADCs and DACs employ delta-sigma modulation
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. PCM3002 and PCM3003 operate with
left-justified, and right-justified formats, while the
PCM3002 also supports the I2S data format.
PCM3002 and PCM3003 provide a power-down mode
that operates on the ADCs and DACs independently.
Fabricated on a highly advanced CMOS process,
PCM3002 and PCM3003 are suitable for a wide vari-
ety of cost-sensitive consumer applications where good
performance is required.
PCM3002’s programmable functions are controlled
by software and the PCM3003’s functions include de-
emphasis, power down, and audio data format selec-
tions, which are controlled by hardware.
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
Serial 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
© 1997 Burr-Brown Corporation
PDS-11414C
PCM3P0ri0nte2d/in3U0.S0.A3. January, 2000
®

1 page




PCM3003 pdf
TYPICAL PERFORMANCE CURVES
ADC SECTION
At TA = +25°C, VCC = VDD = 3.0V, fS = 44.1kHz, fSYSCLK = 384fS, and FSIGNAL = 1kHz, unless otherwise noted.
0.010
0.008
THD+N vs TEMPERATURE
–60dB
DYNAMIC RANGE and SNR vs TEMPERATURE
5.0 94
5.0
Dynamic Range
4.0 92
4.0
0.006
2.0 90
0.5dB
SNR
2.0
0.004
3.0 88
3.0
0.002
–25
1.0
0 25 50 75 85 100
Temperature (°C)
86
–25
1.0
0 25 50 75 85 100
Temperature (°C)
0.010
0.008
0.006
0.004
0.002
THD+N vs SUPPLY VOLTAGE
–60dB
–0.5dB
2.4 2.7 3.0 3.3 3.6
Supply Voltage (V)
5.0
4.0
3.0
2.0
1.0
DYNAMIC RANGE and SNR vs SUPPLY VOLTAGE
94 94
92
Dynamic Range
92
90 90
SNR
88 88
86 86
2.4 2.7 3.0 3.3 3.6
Supply Voltage (V)
0.010
0.008
0.006
0.004
0.002
THD+N vs SAMPLING FREQUENCY
–60dB
–0.5dB
32
44.1
48
fS (kHz)
5.0
4.0
3.0
2.0
1.0
DYNAMIC RANGE and SNR vs SAMPLING FREQUENCY
94 94
92
Dynamic Range
90
SNR
88
92
90
88
86 86
32
44.1
48
fS (kHz)
®
5 PCM3002/3003

5 Page





PCM3003 arduino
TYPICAL PERFORMANCE CURVES
At TA = +25°C, VCC = VDD = 3.0V, fS = 44.1kHz, and fSYSCLK = 384fS, unless otherwise noted.
DAC DIGITAL FILTER
OVERALL FREQUENCY CHARACTERISTICS
(fS = 44.1kHz)
0
PASSBAND RIPPLE CHARACTERISTICS (fS = 44.1kHz)
0
–20 –0.2
–40 –0.4
–60 –0.6
–80 –0.8
–100
0
50k 100k
Frequency (Hz)
150k
–1.0
0
5k 10k 15k
Frequency (Hz)
20k
0
–2
–4
–6
–8
–10
–12
0
DE-EMPHASIS FREQUENCY RESPONSE (32kHz)
5k
10k 15k
20k 25k
Frequency (Hz)
0
–2
–4
–6
–8
–10
–12
0
DE-EMPHASIS FREQUENCY RESPONSE (44.1kHz)
5k
10k 15k
20k 25k
Frequency (Hz)
0
–2
–4
–6
–8
–10
–12
0
DE-EMPHASIS FREQUENCY RESPONSE (48kHz)
5k
10k 15k
20k 25k
Frequency (Hz)
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
0
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
0
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
0
DE-EMPHASIS ERROR (32kHz)
3628
7256
Frequency (Hz)
10884
DE-EMPHASIS ERROR (44.1kHz)
14512
4999.8375 9999.675 14999.5125
Frequency (Hz)
19999.35
DE-EMPHASIS ERROR (48kHz)
5442
10884
Frequency (Hz)
16326
21768
INTERNAL ANALOG FILTER FREQUENCY RESPONSE
(10Hz~10MHz)
20
0
–20
–40
–60
–80
–100
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
11
0.15
INTERNAL ANALOG FILTER FREQUENCY RESPONSE
(1Hz~20kHz)
0.10
0.05
0
–0.05
–0.10
–0.15
1
10 100 1k 10k
Frequency (Hz)
PCM3002/3003
100k
®

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