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Burr-Brown Corporation

PCM1728 Datasheet Preview

PCM1728 Datasheet

24-Bit/ 96kHz Sampling CMOS Delta-Sigma Stereo Audio DIGITAL-TO-ANALOG CONVERTER

No Preview Available !

®
49%PCM1728
FPO
PCM1728
TM 24-Bit, 96kHz Sampling
CMOS Delta-Sigma Stereo Audio
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q ENHANCED MULTI-LEVEL DELTA-SIGMA DAC
q SAMPLING FREQUENCY (fS): 16kHz - 96kHz
q INPUT AUDIO DATA WORD:
16-, 20-, 24-Bit
q HIGH PERFORMANCE:
THD+N: –96dB
Dynamic Range: 106dB
SNR: 106dB
Analog Output Range: 0.62 x VCC (Vp-p)
q 8x OVERSAMPLING DIGITAL FILTER:
Stop Band Attenuation: –82dB
Passband Ripple: ±0.002dB
q MULTI FUNCTIONS:
Digital De-emphasis
Soft Mute
Zero Flag
q +5V SINGLE SUPPLY OPERATION
q SMALL 28-LEAD SSOP PACKAGE
DESCRIPTION
The PCM1728 is designed for mid- to high-grade
digital audio applications which achieve 96kHz sam-
pling rates with 24-bit audio data. PCM1728 uses a
newly developed, enhanced multi-level delta-sigma
modulator architecture that improves audio dynamic
performance and reduces jitter sensitivity in actual
applications. The internal digital filter operates at 8X
oversampling at a 96kHz sampling rate.
The PCM1728 has superior audio dynamic perfor-
mance, 24-bit resolution, and 96kHz sampling, mak-
ing it ideal for mid- to high-grade audio applications
such as CD, DVD, and musical instruments.
BCKIN
LRCIN
DIN
I2S
DM1
DM0
IW0
IW1
MUTE
RST
Serial
Input
I/F
Mode
Control
I/F
8X Oversampling
Digital Filter with
Function
Controller
Enhanced
Multi-level
Delta-Sigma
Modulator
DAC
DAC
Low-pass
Filter
Low-pass
Filter
SCK
Crystal/OSC
Open Drain
Power Supply
VOUTL
EXTL
VOUTR
EXTR
ZERO
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/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1998 Burr-Brown Corporation
PDS-1453A
Printed in U.S.A. April, 1998




Burr-Brown Corporation

PCM1728 Datasheet Preview

PCM1728 Datasheet

24-Bit/ 96kHz Sampling CMOS Delta-Sigma Stereo Audio DIGITAL-TO-ANALOG CONVERTER

No Preview Available !

SPECIFICATIONS
All specifications at +25°C, +VCC = +VDD = +5V, fS = 44.1kHz, and 24-bit input data, SYSCLK = 384fS, unless otherwise noted.
PCM1728
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
DATA FORMAT
Audio Data Interface Format
Data Bit Length
Audio Data Format
Sampling Frequency (fS)
System Clock Frequency(1)
DIGITAL INPUT/OUTPUT LOGIC LEVEL
Input Logic Level
VIH
VIL
Output Logic Level (CLKO) VOH
VOL
CLKO PERFORMANCE(2)
Output Rise Time
Output Fall Time
Output Duty Cycle
DYNAMIC PERFORMANCE(3) (24-Bit Data)
THD+N
VO = 0dB
Dynamic Range
VO = –60dB
Signal-to-Noise Ratio
Channel Separation
DYNAMIC PERFORMANCE(3) (16-Bit Data)
THD+N
VO = 0dB
Dynamic Range
DC ACCURACY
Gain Error
Gain Mismatch: Channel-to-Channel
Bipolar Zero Error
ANALOG OUTPUT
Output Voltage
Center Voltage
Load Impedance
DIGITAL FILTER PERFORMANCE
Filter Characteristics
Passband
Stopband
Passband Ripple
Stopband Attenuation
Delay Time
De-emphasis Error
INTERNAL ANALOG FILTER
–3dB Bandwidth
Passband Response
POWER SUPPLY REQUIREMENTS
Voltage Range
Supply Current: ICC +IDD
Power Dissipation
TEMPERATURE RANGE
Operation
Storage
IOH = 2mA
IOL = 4mA
20 ~ 80% VDD, 10pF
80 ~ 20% VDD, 10pF
10pF Load
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
fS = 44.1kHz
fS = 96kHz
fS = 44.1kHz EIAJ A-weighted
fS = 96kHz A-weighted
VO = 0.5VCC at Bipolar Zero
Full Scale (0dB)
AC Load
±0.002dB
–3dB
Stop Band = 0.546fS
Stop Band = 0.567fS
f = 20kHz
VDD, VCC
fS = 44.1kHz
fS = 96kHz
fS = 44.1kHz
fS = 96kHz
24
Standard/I2S
16/20/24 Selectable
MSB-First, Two’s Binary Comp
16 96
256/384/512/768fS
2.0
0.8
4.5
0.5
5.5
4
37
–97 –90
–94
–42
98 106
103
98 106
103
96 102
101
–94
–92
98
97
±1.0 ±3.0
±1.0 ±3.0
±30 ±60
0.62 VCC
0.5 VCC
5
0.546fS
–75
–82
4.5
–25
–55
30/fS
100
–0.16
5
32
45
160
225
0.454fS
0.490fS
±0.002
±0.1
5.5
45
225
+85
+100
Bits
kHz
V
V
V
V
ns
ns
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
% of FSR
% of FSR
mV
Vp-p
V
k
dB
dB
dB
sec
dB
kHz
dB
VDC
mA
mA
mW
mW
°C
°C
NOTES: (1) Refer section of system clock. (2) External buffer is recommended. (3) Dynamic performance specs are tested with 20kHz low pass filter and THD+N
specs are tested with 30kHz LPF, 400Hz HPF, Average Mode.
®
PCM1728
2


Part Number PCM1728
Description 24-Bit/ 96kHz Sampling CMOS Delta-Sigma Stereo Audio DIGITAL-TO-ANALOG CONVERTER
Maker Burr-Brown Corporation
Total Page 11 Pages
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