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PDF PCM1715 Data sheet ( Hoja de datos )
| Número de pieza | PCM1715 | |
| Descripción | Dual Voltage Output CMOS Delta-Sigma DIGITAL-TO-ANALOG CONVERTER With On-Chip Digital Filter | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PCM1715 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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® 49%
FPO
PCM1715U
Dual Voltage Output CMOS Delta-Sigma
DIGITAL-TO-ANALOG CONVERTER
With On-Chip Digital Filter
FEATURES
q DUAL MULTI-LEVEL NOISE SHAPING
DAC WITH ON-CHIP DIGITAL FILTER
q HIGH PERFORMANCE:
THD+N: 0.0025% (–92dB) typ
Dynamic Range: 98dB typ
S/N RATIO: 110dB typ
q ANALOG VOLTAGE OUTPUT:
VO = 3.2Vp-p
q ON-CHIP ANALOG LOW PASS FILTER
q JITTER TOUGH AND LOW RADIO
FREQUENCY INTERFERENCE ENERGY
ARCHITECTURE
q SYSTEM CLOCK 256fs or 384fs
q ON-CHIP 8X OVERSAMPLING DIGITAL
FILTER WITH:
Lch/Rch Individual Attentuator
Control
Digital De-Emphasis (44.1kHz)
Analog Output Mode Select
q SINGLE +5V POWER SUPPLY
OPERATION
q SMALL 28-PIN SOIC PACKAGE
DESCRIPTION
The PCM1715 is a low cost, dual voltage output
CMOS digital-to-analog converter. Incorporated into
the PCM1715 is a unique multi-level 4th-order delta-
sigma architecture that eliminates influence from in-
put clock jitter and RF interferance resulting in truly
superior performance.
The PCM1715 has individual channel attenuator and
analog output mode select function which is suitable
for CD-ROM application.
The on-chip digital filter of the PCM1715 has –62dB
stop band attenuation and ±0.008dB ripple in the pass
band.
The PCM1715 can be used in a wide variety of
consumer audio applications. Its low cost, small size,
and single +5V operation make it ideal for portable,
automotive, CD players, CD-I, CD-ROM, VIDEO-
CD, tuners, music instruments, and other digital audio
applications.
Lch/Rch ATT Control
Digital In
Input Interface
and
Attentuator
Mode Control
Oversampling
Digital Filter
System Clock
4th-Order
Multi-Level
Delta-
Sigma
DAC
Low-Pass
Filter
Output
Op Amp
Lch OUT
Rch OUT
International Airport Industrial Park • Mailing Address: PO Box 11400 • Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706
Tel: (602) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (602) 889-1510 • Immediate Product Info: (800) 548-6132
© 1994 Burr-Brown Corporation
PDS-1247
Printed in U.S.A. July, 1994
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
All specifications at +25°C, +VCC = +VDD = +5V, fs = 44.1kHz, SYSCLK = 384fs/256fs, and 16-bit data, unless otherwise noted.
0
–20
–40
–60
–80
–100
–120
–140
0
OVERALL FREQUENCY CHARACTERISTIC
(De-Emphasis: OFF)
20 40 60 80 100 120 140 160
Frequency (kHz)
0
–2
–4
–6
–8
–10
–12
0
DE-EMPHASIS CHARACTERISTIC
10k 20k 30k 40k 50k
Frequency (Hz)
–0.03
PASSBAND RIPPLE FREQUENCY CHARACTERISTIC
(De-Emphasis: OFF)
–0.035
–0.04
–0.045
–0.05
0
5 10 15
Frequency (kHz)
20
SIMULATED ANALOG FILTER
FREQUENCY RESPONSE
(20Hz~24kHz, Expanded Scale)
1.0
0.5
0
–0.5
–1.0
20
100
1k
Frequency (Hz)
10k 24k
10
5
0
–5
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
10
SIMULATED ANALOG FILTER
FREQUENCY RESPONSE
(10Hz~10MHz)
100 1k 10k 100k 1M 10M
Frequency (Hz)
5
OUTPUT WAVE FORM FULL SCALE SIGNAL
(Without External Filter)
NOTES: (1) Measured at VOUT Pin (Pin 13 or 16).
(2) The PCM1715 has internal analog low pass
filter to reduce high frequency noise-shaped spec-
trum. Application of the PCM1715 requires external
post analog low pass filter which has 2nd-Order or
3rd-Order attenuation performance to get low noise
analog output.
PCM1715U
®
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PCM1715.PDF ] | |
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