Philips Semiconductors
Product specification
Dolby ADM digital audio decoder
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.
PIN CONFIGURATION
N, D Packages
MULTI OUT 1 1
V
CC
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
V
DD
11
SS 12
AD 13
28 MULTI OUT 2
27 A
GND
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 D
GND
17 REX
16 V
REF
15 CK
TOP VIEW
APPLICATIONS
EM 14
鈥?/div>
High quality digital audio transmission systems
鈥?/div>
Pre-recorded digital audio
鈥?/div>
Satellite delivered digital audio
鈥?/div>
Cable TV delivered digital audio
鈥?/div>
Microwave delivered digital audio
鈥?/div>
Terrestrial delivered digital audio
鈥?/div>
Digital audio for advanced television sound
SR01021
Figure 1. Pin Configuration
FEATURES
鈥?/div>
Wide dynamic range: >95dB
鈥?/div>
Low distortion: <0.1% @ 1kHz, 0dB
鈥?/div>
TTL, CMOS compatible logic inputs
鈥?/div>
Wide bandwidth: DC to > 20kHz
鈥?/div>
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擄C
0 to +70擄C
ORDER CODE
NE5241N
NE5241D
DWG #
SOT117-2
SOT136-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL
V
CC
V
DD
T
A
T
STG
T
J
T
SOLD
胃
JA
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
48
70
擄C/W
擄C/W
PARAMETER
RATING
+15
+7
0 to +70
鈥?5 to +150
鈥?5 to +150
+300
UNIT
V
V
擄C
擄C
擄C
擄C
March 19, 1992
1
853-1602 06126
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