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PCM1737 Schematic ( PDF Datasheet ) - Burr-Brown Corporation

Teilenummer PCM1737
Beschreibung 24-Bit/ 192kHz Sampling Enhanced Multi-Level/ Delta-Sigma/ Audio DIGITAL-TO-ANALOG CONVERTER
Hersteller Burr-Brown Corporation
Logo Burr-Brown Corporation Logo 




Gesamt 27 Seiten
PCM1737 Datasheet, Funktion
®
PCM1737
PCM1737
For most current data sheet and other product
information, visit www.burr-brown.com
TM 24-Bit, 192kHz Sampling
Enhanced Multi-Level, Delta-Sigma, Audio
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q 24-BIT RESOLUTION
q ANALOG PERFORMANCE (VCC = +5V):
Dynamic Range: 106dB typ
SNR: 106dB typ
THD+N: 0.0015% typ
Full-Scale Output: 3.1Vp-p typ
q 4x/8x OVERSAMPLING DIGITAL FILTER:
Passband: 0.454fS
Stopband: 0.546fS
Stopband Attenuation: –82dB
Passband Ripple: ±0.002dB
q SAMPLING FREQUENCY: 10kHz to 192kHz
q SYSTEM CLOCK: 128, 192, 256, 384, 512, or
768fS with Auto Detect
q ACCEPTS 16-, 18-, 20-, AND 24-BIT AUDIO DATA
q DATA FORMATS: Standard, I2S, and Left-Justified
q USER-PROGRAMMABLE MODE CONTROLS:
Digital Attenuation: 0dB to –63dB, 0.5dB/Step
Digital De-Emphasis
Digital Filter Roll-Off: Sharp or Slow
Soft Mute
Variable Oversampling for ∆Σ DACs
Zero Detect Mute
Zero Flags for Each Output
q DUAL SUPPLY OPERATION:
+5V Analog, +3.3V Digital
q 5V TOLERANT DIGITAL INPUTS
q SMALL SSOP-28 PACKAGE
APPLICATIONS
q A/V RECEIVERS
q DVD MOVIE AND AUDIO PLAYERS
q DVD ADD-ON CARDS FOR HIGH-END PCs
q HDTV RECEIVERS
q CAR AUDIO SYSTEMS
q OTHER APPLICATIONS REQUIRING 24-BIT
AUDIO
DESCRIPTION
The PCM1737 is a CMOS, monolithic, integrated
circuit which includes stereo digital-to-analog con-
verters and support circuitry in a small SSOP-28
package. The data converters utilize Burr-Brown’s
enhanced multi-level delta-sigma architecture, which
employs 4th-order noise shaping and 8-level ampli-
tude quantization to achieve excellent dynamic per-
formance and improved tolerance to clock jitter.
The PCM1737 accepts industry standard audio data
formats with 16- to 24-bit data, providing easy
interfacing to audio DSP and decoder chips. Sam-
pling rates up to 192kHz are supported. A full set
of user-programmable functions are accessible through
a 4-wire serial control port which supports register
write and read back functions.
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-1552C
Printed in U.S.A. March, 2000






PCM1737 Datasheet, Funktion
TYPICAL PERFORMANCE CURVES (Cont.)
All specifications at TA = +25°C, VDD = VCC = 5V, SYSCLK = 384fS (fS = 44.1kHz), and 24-bit input data, unless otherwise noted.
DIGITAL FILTER
De-Emphasis Error
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)
ANALOG DYNAMIC PERFORMANCE
Supply Voltage Characteristics
TOTAL HARMONIC DISTORTION + NOISE vs VCC
(VDD = 3.3V)
10
192kHz, 128fS
1
–60dB
0.1 44.1kHz, 384fS
0.01
0.001
0.0001
4.0
192kHz, 128fS
44.1kHz, 384fS
4.5 5.0
VCC (V)
0dB
5.5
6.0
110
108
106
104
102
100
98
96
4.0
DYNAMIC RANGE vs VCC
(VDD = 3.3V)
44.1kHz, 384fS
192kHz, 128fS
4.5 5.0 5.5
VCC (V)
6.0
®
PCM1737
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