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Burr-Brown Corporation

PCM1723 Datasheet Preview

PCM1723 Datasheet

Stereo Audio DIGITAL-TO-ANALOG CONVERTER WITH PROGRAMMABLE PLL

No Preview Available !

® 49%
PCMF1P72O3E
PCM1723
TM Stereo Audio
DIGITAL-TO-ANALOG CONVERTER
WITH PROGRAMMABLE PLL
FEATURES
q ACCEPTS 16-, 20-, OR 24-BIT INPUT DATA
q COMPLETE STEREO DAC: Includes Digital
Filter and Output Amp
q DYNAMIC RANGE: 94dB
q MULTIPLE SAMPLING FREQUENCIES:
16kHz, 22.05kHz, 24kHz
32kHz, 44.1kHz, 48kHz
64kHz, 88.2kHz, 96kHz
q PROGRAMMABLE PLL CIRCUIT:
256fS/384fS from 27MHz Master Clock
q NORMAL OR I2S DATA INPUT FORMATS
q SELECTABLE FUNCTIONS:
Soft Mute
Digital Attenuator (256 Steps)
Digital De-emphasis
q OUTPUT MODE: Left, Right, Mono, Mute
DESCRIPTION
The PCM1723 is a complete low cost stereo audio
digital-to-analog converter (DAC) with a phase-locked
loop (PLL) circuit included. The PLL derives either
256fS or 384fS system clock from an external 27MHz
reference frequency. The DAC contains a 3rd-order ∆Σ
modulator, a digital interpolation filter, and an analog
output amplifier. The PCM1723 can accept 16-, 20-, or
24-bit input data in either normal or I2S formats.
The digital filter performs an 8X interpolation func-
tion and includes selectable features such as soft mute,
digital attenuation and digital de-emphasis. The PLL
can be programmed for sampling at standard digital
audio frequencies as well as one-half and double
sampling frequencies.
The PCM1723 is ideal for applications which combine
compressed audio and video data such as DVD, DVD-
ROM, set-top boxes and MPEG sound cards.
BCKIN
LRCIN
DIN
ML
MC
MD
RSTB
Serial
Input
I/F
8X Oversampling
Digital Filter
with Function
Controller
Multi-level
Delta-Sigma
Modulator
Multi-level
Delta-Sigma
Modulator
Mode
Control
I/F
256fS/384fS
BPZ-Cont.
PLL OSC
DAC
DAC
Low-pass
Filter
Low-pass
Filter
Open Drain
Power Supply
VOUTL
CAP
VOUTR
ZERO
SCKO
MCKO XTI XTO
VCP PGND VCC AGND 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
© 1996 Burr-Brown Corporation
PDS-1344B
Printed in U.S.A. January, 1998




Burr-Brown Corporation

PCM1723 Datasheet Preview

PCM1723 Datasheet

Stereo Audio DIGITAL-TO-ANALOG CONVERTER WITH PROGRAMMABLE PLL

No Preview Available !

SPECIFICATIONS
All specifications at +25°C, +VCC = +VDD = +VCP = +5V, fS = 44.1kHz, and 16-bit input data, SYSCLK = 384fS, unless otherwise noted.
PCM1723
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
RESOLUTION
DATA FORMAT
Audio Data Interface Format
Data Bit Length
Audio Data Format
Sampling Frequency (fS)
PLL PERFORMANCE
Master Clock Input Frequency(4)
Master Clock Output Frequency
Generated Sysclk Frequency
Output Logic Level
(MCKO, SCKO)
Generated Sysclk Jitter
VOH
VOL
Generated Sysclk Transient(1)
Power-Up Time
Generated Sysclk Duty Cycle
DIGITAL INPUT LOGIC LEVEL
DYNAMIC PERFORMANCE(2)
THD+N at fS (0dB)
THD+N at –60dB
Dynamic Range (EIAJ Method)
Signal-to-Noise Ratio(3) (EIAJ Method)
Channel Separation
DC ACCURACY
Gain Error
Gain Mismatch, Channel-to-Channel
Bipolar Zero Error
ANALOG OUTPUT
Output Voltage
Center Voltage
Load Impedance
DIGITAL FILTER PERFORMANCE
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 + ICP
TEMPERATURE RANGE
Operation
Storage
Standard fS
One-half fS
Double fS
IOH = 2mA
IOL = 4mA
Standard Dev
fM = 27MHz
To Programmed Frequency
fM = 27MHz, CL = 15pF
fs = 44.1kHz
fs = 96kHz
fs = 44.1kHz
fs = 96kHz
fs = 44.1kHz
fs = 96kHz
fs = 44.1kHz
fs = 96kHz
fs = 44.1kHz
VOUT = VCC/2 at BPZ
Full Scale (–0dB)
AC Load
f = 20kHz
VCC = VDD = VCP
fS = 44.1kHz
16
Standard/I2S
16/20/24 Selectable
MSB First, Binary Two’s Complement
32 44.1 48
16 22.05 24
64 88.2 96
26.73
4.096
VDD – 0.4
27
256fS/384fS
±150
15
40 50
TTL
27.27
36.864
0.5
20
30
60
–89 –80
–87
–31
–29
90 94
91
90 96
95
88 93
±1.0
±1.0
±30
±3.0
±2.0
0.62 x VCC
VCC/2
5
0.555
–35
–0.2
11.125/fS
0.445
±0.17
+0.55
100
–0.16
4.5 5 5.5
20 24
–25 +85
–55 +100
Bits
Selectable
kHz
kHz
kHz
MHz
MHz
VDC
VDC
ps
ms
ms
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
% of FSR
% of FSR
mV
Vp-p
VDC
k
fS
fS
dB
dB
sec
dB
kHz
dB
VDC
mA
°C
°C
NOTES: (1) Sysclk transient is the maximum frequency lock time when the PLL frequency is changed. (2) Dynamic performance specs are tested with 20kHz low
pass filter and THD+N specs are tested with 30kHz LPF, 400Hz HPF, Average-Mode. (3) SNR is tested at Infinite Zero Detection off. (4) PLL evaluations tested
with 1ns maximum jitter on the 27MHz input clock.
®
PCM1723
2


Part Number PCM1723
Description Stereo Audio DIGITAL-TO-ANALOG CONVERTER WITH PROGRAMMABLE PLL
Maker Burr-Brown Corporation
Total Page 15 Pages
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