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PDF PCM1728 Data sheet ( Hoja de datos )
| Número de pieza | PCM1728 | |
| Descripción | 24-Bit/ 96kHz Sampling CMOS Delta-Sigma Stereo Audio DIGITAL-TO-ANALOG CONVERTER | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PCM1728 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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®
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
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
0
–20
–40
–60
–80
–100
–120
–140
–160
0
OVERALL FREQUENCY CHARACTERISTIC
0.5 1 1.5 2 2.5 3 3.5
Frequency (x fS)
4
0.003
0.002
0.001
0
–0.001
–0.002
–0.003
0
PASSBAND RIPPLE CHARACTERISTIC
0.1 0.2 0.3 0.4
Frequency (x fS)
0.5
DE-EMPHASIS FREQUENCY RESPONSE (fS = 32kHz)
0
–2
–4
–6
–8
–10
0 2 4 6 8 10 12 14
Frequency (kHz)
DE-EMPHASIS FREQUENCY RESPONSE (fS = 44.1kHz)
0
–2
–4
–6
–8
–10
0 2 4 6 8 10 12 14 16 18 20
Frequency (kHz)
DE-EMPHASIS FREQUENCY RESPONSE (fS = 48kHz)
0
–2
–4
–6
–8
–10
0 2 4 6 8 10 12 14 16 18 20 22
Frequency (kHz)
0.5
0.3
0.1
–0.1
–0.3
–0.5
0
DE-EMPHASIS ERROR (fS = 32kHz)
2 4 6 8 10 12 14
Frequency (kHz)
0.5
0.3
0.1
–0.1
–0.3
–0.5
0
DE-EMPHASIS ERROR (fS = 44.1kHz)
2 4 6 8 10 12 14 16 18 20
Frequency (kHz)
DE-EMPHASIS ERR0R (fS = 48kHz)
0.5
0.3
0.1
–0.1
–0.3
–0.5
0 2 4 6 8 10 12 14 16 18 20 22
Frequency (kHz)
®
5 PCM1728
5 Page 
PCM
Audio Data
Input
XTI Buffer Out
System Clock
(256/384/512/768fS)
To DGND of Digital Source
Post
Low-Pass
Filter
Analog
Mute
PCM1728E
1 LRCIN
2 DIN
3 BCKIN
4 CLKO
5 XTI
6 XTO
7 DGND
C2
8 VDD
9 VCC2R
C4
10 AGND2R
C6 + 11 EXTR
10µF 12 NC
13 VOUTR
14 AGND1
IIS 28
DM1 27
DM0 26
MUTE 25
IW1 24
IW0 23
RST 22
ZERO 21
VCC2L 20
AGND2L 19
EXTL 18
NC 17
VOUTL 16
VCC1 15
Mode
Control
External Reset
10kΩ
C3
+ C5
10µF
C1
C1, C2 : 10µF + 0.1µF Ceramic
C3, C4 : 1µF ~ 10µF
+5V VCC
Post
Low-Pass
Filter
Analog
Mute
External
Mute Control
Rch Audio Out
Lch Audio Out
FIGURE 12. Typical Circuit Connection Diagram.
®
11 PCM1728
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet PCM1728.PDF ] | |
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