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Burr-Brown Corporation

PCM3000 Datasheet Preview

PCM3000 Datasheet

Stereo Audio CODEC 18-BITS/ SERIAL INTERFACE TM

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® 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
®




Burr-Brown Corporation

PCM3000 Datasheet Preview

PCM3000 Datasheet

Stereo Audio CODEC 18-BITS/ SERIAL INTERFACE TM

No Preview Available !

SPECIFICATIONS
All specifications at +25°C, VDD = VCC = +5V, fS = 44.1kHz, SYSCLK = 384fS, CLKIO Input, 18-bit data, unless otherwise noted.
PARAMETER
DIGITAL INPUT/OUTPUT
Input Logic
Input Logic Level: VIH(1)
VIL(1)
Input Logic Current: IIN(2)
Input Logic Current: IIN(3)
Input Logic Level: VIH(4)
VIL(4)
Input Logic Current: IIN(4)
Output Logic
Output Logic Level: VOH(5)
VOL(5)
Output Logic Level: VOH(6)
VOL(6)
CLOCK FREQUENCY
Sampling Frequency (fS)
System Clock Frequency
ADC CHARACTERISTICS
RESOLUTION
DC ACCURACY
Gain Mismatch Channel-to-Channel
Gain Error
Gain Drift
Bipolar Zero Error
Bipolar Zero Drift
DYNAMIC PERFORMANCE(9)
THD+N: VIN = –0.5dB
VIN = –60dB
Dynamic Range
Signal-to-Noise Ratio
Channel Separation
DIGITAL FILTER PERFORMANCE
Passband
Stopband
Passband Ripple
Stopband Attenuation
Delay Time (Latency)
DIGITAL HIGH PASS FILTER RESPONSE
–3dB Frequency
ANALOG INPUT
Voltage Range
Center Voltage
Input Impedance
ANTI-ALIASING FILTER
–3dB Frequency
CONDITIONS
IOUT = –1.6mA
IOUT = +3.2mA
IOUT = –3.2mA
IOUT = +3.2mA
256fS
384fS
512fS
High-Pass Filter Off(8)
High-Pass Filter Off(8)
f = 1kHz
f = 1kHz
f = 1kHz, A-Weighted
f = 1kHz, A-Weighted
0dB (Full Scale)
CEXT = 470pF
PCM3000E/3001E
MIN
TYP
MAX
UNITS
2.0
0.64 • VDD
4.5
4.5
32(7)
8.1920
12.2880
16.3840
44.1
11.2896
16.9344
22.5792
0.8
±1
–120
0.28 • VDD
±40
0.5
0.5
48
12.2880
18.4320
24.5760
VDC
VDC
µA
µA
VDC
VDC
µA
VDC
VDC
VDC
VDC
kHz
MHz
MHz
MHz
90
90
88
0.583fS
–65
18
±1.0
±2.0
±20
±1.7
±20
–88
–31
94
94
92
17.4/fS
0.019fS
2.9
2.1
15
170
Bits
±5.0
±5.0
% of FSR
% of FSR
ppm of FSR/°C
%of FSR
ppm of FSR/°C
–80 dB
dB
dB
dB
dB
0.454fS
±0.05
Hz
Hz
dB
dB
sec
mHz
Vp-p
V
k
kHz
NOTES: (1) Pins 16, 17, 18, 22, 25, 26, 27, 28: LRCIN, BCKIN, DIN, CLKIO, MC/FMT2, MD/FMT1, ML/FMT0, RSTB. (2) Pins 16, 17, 18, 22: LRCIN, BCKIN, DIN,
CLKIO (Schmitt Trigger Input). (3) Pins 25, 26, 27, 28: MC/FMT2, MD/FMT1, ML/FMT0, RSTB (Schmitt Trigger Input, 70kInternal Pull-Up Resistor). (4) Pin 20:
XTI. (5) Pins 19, 22: DOUT,CLKIO. (6) Pin 21: XTO. (7) Refer to Application Bulletin AB-148 for information relating to operation at lower sampling frequencies.
(8) High Pass Filter disabled (PCM3000 only) to measure DC offset. (9) fIN = 1kHz, using Audio Precision System II, rms mode with 20kHz LPF, 400Hz HPF used
for performance calculation. (10) With no load on XTO and CLKIO.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no
responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice.
No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN
product for use in life support devices and/or systems.
®
PCM3000/3001
2


Part Number PCM3000
Description Stereo Audio CODEC 18-BITS/ SERIAL INTERFACE TM
Maker Burr-Brown Corporation
Total Page 21 Pages
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