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Burr-Brown Corporation

PCM1732 Datasheet Preview

PCM1732 Datasheet

DIGITAL-TO-ANALOG CONVERTER

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®
49%
PCM1732
FPO
®
®
For most current data sheet and other product
information, visit www.burr-brown.com
TM 24-Bit, 96kHz, Stereo Audio
DIGITAL-TO-ANALOG CONVERTER
With HDCD® Decoder
FEATURES
DESCRIPTION
q ENHANCED MULTI-LEVEL ∆Σ DAC
The PCM1732 is designed for mid- to high-grade
q INPUT AUDIO DATA WORD: 16-, 20-, 24-Bit
q SAMPLING FREQUENCY (fs): 16kHz - 96kHz
q SYSTEM CLOCK: 256, 384, 512, 768fS
q HIGH PERFORMANCE:
THD+N: –96dB
Dynamic Range: 104dB
SNR: 104dB
digital audio applications which achieve 96kHz sam-
pling rates with 24-bit audio data, such as High Defi-
nition Compatible Digital (HDCD) CD players, DVD
players, mini-disc players and AV receivers.
PCM1732 uses a newly-developed “enhanced, multi-
level delta-sigma modulator” architecture that im-
proves audio dynamic performance and reduces jitter
q AUDIO OUTPUT LEVEL: 0.57 x VCC (Vp-p)
q 8x OVERSAMPLING DIGITAL FILTER WITH
HDCD DECODER:
Stopband Attenuation: –120dB
Passband Ripple: ±0.00001dB
HDCD Filter Optimized for 44.1kHz to 48kHz
sensitivity.
The internal digital filter operates at 8x oversampling
at a 96kHz sampling rate, with –120dB stopband
attenuation.
and 88.2kHz to 96kHz
q MULTI-FUNCTIONS:
Digital De-emphasis
Soft Mute
Digital Attenuation
Zero Detect
Digital Gain Scaling
Reversible Output Phase
BCKIN
LRCIN
DIN
Serial
Input
I/F
HDCD
Hidden
Code
Recovery
HDCD
Amplitude
Decoding
PCM1732
q +5V SINGLE-SUPPLY OPERATION
q SMALL SO-28 PACKAGE
NOTE: An HDCD license from Pacific Microsonics, Inc. is
required to purchase the PCM1732.
ML/I2S
MC/DEM
MD/FSS
CS/IWO
MODE
Mode
Control
I/F
HDCD
8x
Oversampling
Digital Filter
Enhanced
Multi-Level
∆Σ
Modulator
BPZ Control
DAC
DAC
Low-Pass
Filter
Low-Pass
Filter
VOUTL
EXTL
VOUTR
EXTR
ZERO
HDCD® is a registered trademark of Pacific Microsonics, Inc.
MUTE
RST
SCK
Crystal/OSC
Power-On Reset
Power Supply
Open
Drain
HDCD® technology is provided under license from Pacific Microsonics
Inc. The PCM1732’s design is covered by the following patents:
In the USA: 45,479,168, 5,638,074, 5,640,161, 5,808,574, 5,838,274
5,854,600, 5,864,311, 5,872,531.
In Australia: 669,114.
Other patents pending.
XTI XTO
CLKO VCC1 AGND1 VDD DGND
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
© 1999 Burr-Brown Corporation
PDS-1522B
Printed in U.S.A. August, 1999




Burr-Brown Corporation

PCM1732 Datasheet Preview

PCM1732 Datasheet

DIGITAL-TO-ANALOG CONVERTER

No Preview Available !

SPECIFICATIONS
24-Bit Data Performance
All specifications at +25°C, +VCC = +VDD = +5V, fS = 44.1kHz, and SYSCLK = 384fS, unless otherwise noted.
PCM1732
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
24 Bits
DATA FORMAT
Audio Data Interface Format
Data Bit Length
Audio Data Format
Sampling Frequency (fS)
System Clock Frequency(1)
System Clock Duty Cycle
Standard/I2S
16/20/24 Selectable
MSB-First, Binary Two’s Complement
16 96
256/384/512/768fS
40 60
kHz
%
DIGITAL INPUT/OUTPUT LOGIC LEVEL
Input Logic Level (except XTI): VIH
VIL
Output Logic Level (CLKO): VOH
VOL
CLKO PERFORMANCE(2)
Output Rise Time
Output Fall Time
Output Duty Cycle
IOH = 2mA
IOL = 4mA
20 ~ 80% VDD, 10pF
80 ~ 20% VDD, 10pF
10pF Load
2.0 V
0.8 V
4.5 V
0.5 V
5.5 ns
4 ns
30 %
DYNAMIC PERFORMANCE(3, 4)
THD+N
VO = 0dB
Dynamic Range
VO = –60dB
Signal-to-Noise Ratio(5)
Channel Separation
DC ACCURACY
Gain Error
Gain Mismatch Channel-to-Channel
Bipolar Zero Error
ANALOG OUTPUT
Output Voltage(6)
Center Voltage
Load Impedance
fS = 44.1kHz
fS = 96kHz
fS = 44.1kHz
fS = 44.1kHz, EIAJ A-weighted
fS = 96kHz, A-weighted
fS = 44.1kHz, EIAJ A-weighted
fS = 96kHz, A-weighted
fS = 44.1kHz
fS = 96kHz
VO = 0.5VCC at Bipolar Zero
Full Scale (0dB)
AC Load
–96 –90
–94
–42
dB
dB
dB
98 104
103
98 104
103
96 104
101
dB
dB
dB
dB
dB
dB
±1.0
±1.0
±30
±3.0
±3.0
±60
% of FSR
% of FSR
mV
0.57 VCC
0.5 VCC
5
Vp-p
V
k
DIGITAL FILTER PERFORMANCE
Filter Characteristics 1
(fS = 44.1kHz/48kHz optimal)
Passband
Stopband
Passband Ripple
Stopband Attenuation
Delay Time
Filter Characteristics 2
(fS = 88.2kHz/96kHz optimal)
Passband
Stopband
Passband Ripple
Stopband Attenuation
Delay Time
De-Emphasis Error
±0.002dB
–3dB
< 0.453fS
Stopband = 0.515fS
Stopband = 0.520fS
±0.005dB
–3dB
< 0.341fS
Stopband = 0.538fS
0.515fS
–109
–123
0.538fS
–132
81/fS
31/fS
0.471fS
0.487fS
±0.0001
0.395fS
0.441fS
±0.0001
±0.1
dB
dB
dB
sec
dB
dB
sec
dB
INTERNAL ANALOG FILTER
–3dB Bandwidth
Passband Response
f = 20kHz
100
–0.16
kHz
dB
POWER SUPPLY REQUIREMENTS
Voltage Range
Supply Current: ICC + IDD
Power Dissipation
TEMPERATURE RANGE
Operating
Storage
Thermal Resistance, θJA
VDD, VCC
fS = 44.1kHz
fS = 96kHz
fS = 44.1kHz
fS = 96kHz
4.5 5 5.5 VDC
85 105 mA
93 mA
425 525 mW
465 mW
–25 +70 °C
–55
+100
°C
67 °C/W
NOTES: (1) Refer to the System Clock section of this data sheet. (2) An external buffer is recommended. (3) Dynamic performance specifications are tested with 20kHz low-pass
filter and THD+N specifications are tested with 30kHz LPF, 400Hz HPF, Average Mode. (4) Dynamic performance specifications are tested with HDCD gain scaling set to analog
gain scaling. (5) SNR is tested with infinite zero detection off. (6) Output level is for sine wave. DAC outputs 0.64 VCC (peak-to-peak) due to filter response as transient.
®
PCM1732
2


Part Number PCM1732
Description DIGITAL-TO-ANALOG CONVERTER
Maker Burr-Brown Corporation
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PCM1732 Datasheet PDF






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