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PDF NE5241N Data sheet ( Hoja de datos )
| Número de pieza | NE5241N | |
| Descripción | Dolby ADM digital audio decoder | |
| Fabricantes | Philips | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NE5241N (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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Philips Semiconductors
Dolby ADM digital audio decoder
Product specification
NE5241
DESCRIPTION
The NE5241 is a complete stereo digital to audio converter for the
Dolby ADM digital audio system, which allows CD quality stereo
audio to be delivered with data rates on the order of 400 to 600kb/s.
The NE5241 is intended for use in high quality consumer digital
audio equipment for the reproduction of broadcast (or pre-recorded)
digital audio. The IC contains channel de-multiplexing data input
latches, control signal filter drivers and buffers, variable gain
integrators, and variable de-emphasis filters. Precision, temperature
compensated voltage reference circuitry assures accurate
performance over temperature. The IC is implemented in a bipolar
process to achieve low noise, low distortion, and wide dynamic
range. The NE5241 is an improved version of the NE5240, which
has been discontinued.
Note:
The NE5241 is available only to licensees of Dolby Laboratories Licensing Corporation,
from who licensing and applications information must be obtained. Dolby is a registered
trademark of Dolby Laboratories Licensing Corporation, San Francisco, California.
APPLICATIONS
• High quality digital audio transmission systems
• Pre-recorded digital audio
• Satellite delivered digital audio
• Cable TV delivered digital audio
• Microwave delivered digital audio
• Terrestrial delivered digital audio
• Digital audio for advanced television sound
PIN CONFIGURATION
N, D Packages
MULTI OUT 1 1
VCC 2
VARZ 1 3
OUT 1 4
FEEDBACK 1 5
INT IN 1 6
EM FILT IN 1 7
EM FILT OUT 1 8
SS FILT IN 1 9
SS FILT OUT 1 10
VDD 11
SS 12
AD 13
EM 14
28 MULTI OUT 2
27 AGND
26 VARZ 2
25 OUT 2
24 FEEDBACK 2
23 INT IN 2
22 EM FILT IN 2
21 EM FILT OUT 2
20 SS FILT IN 2
19 SS FILT OUT 2
18 DGND
17 REX
16 VREF
15 CK
TOP VIEW
Figure 1. Pin Configuration
SR01021
FEATURES
• Wide dynamic range: >95dB
• Low distortion: <0.1% @ 1kHz, 0dB
• TTL, CMOS compatible logic inputs
• Wide bandwidth: DC to > 20kHz
• Complete decoder implementation in one IChip
ORDERING INFORMATION
DESCRIPTION
28-Pin Plastic Dual In-Line Package (DIP)
28-Pin Small Outline Large (SOL) Package
TEMPERATURE RANGE
0 to +70°C
0 to +70°C
ORDER CODE
NE5241N
NE5241D
DWG #
SOT117-2
SOT136-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL
VCC
VDD
TA
TSTG
TJ
TSOLD
θJA
PARAMETER
Analog supply voltage
Logic supply voltage
Operating ambient temperature range
Storage temperature range
Junction temperature
Lead temperature (soldering 60 sec)
Thermal impedance
N package
D package
RATING
+15
+7
0 to +70
–65 to +150
–65 to +150
+300
48
70
UNIT
V
V
°C
°C
°C
°C
°C/W
°C/W
March 19, 1992
1 853-1602 06126
1 page  
Philips Semiconductors
Dolby ADM digital audio decoder
Product specification
NE5241
BLOCK DIAGRAM AND TEST CIRCUIT
R1
4.3k
C1
0.47µF
R2 R3
43k 360k
C2 C3
47nF 4.7nF
VDD
11
R4 R5
4.3k 43k
R6
360k
C4
0.47µF
10 8
C5
47nF
C6
4.7nF
79
12
SSD
AD 13
14
SBD
15
CK
VDD
INPUT
LOGIC
DGND
NE5241
eX
eX
R13
4.99k
16
14dB
R15
4.87k
C13
0.1µF
R14
499k
C14
10nF
5
INTEGRATOR
AMP
22dB
SUMMING
AMP
–4
+
3
R16 VOUT
6.34k CH.A
C15 C16
220pF 3.9nF
REFERENCE
GENERATOR
VH REX
VR VREF
VL
AGND
2
VCC
17
16 R17
220µF 118k
27 C17
INTEGRATOR
AMP
SUMMING
AMP
+
26
C18
220pF
– 25 R18
6.34k
VOUT
CH.B
C19
3.9nF
18 19 21
22 20
28 23
NOTE:
One channel of the application shown with external components.
Figure 3. Block Diagram and Test Circuit
24
SR01023
March 19, 1992
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet NE5241N.PDF ] | |
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