Ordering number : ENN*7929
Bi-CMOS IC
LV1017
Overview
Features
Passive Decoder for
Dolby Surround Systems
The LV1017 is a passive decoder for Dolby surround systems.
•
Original A/D, D/A converter
•
Wide dynamic range
•
Virtual surround function
•
Rear stereo, pseudo-multi-tap function
•
Surround trim (Ls, Rs) external input
•
Built-in Lch, Rch, Lsch, Rsch output switching function
•
Reduced external component count
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Maximum power supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Ta
≤
70°C
Conditions
Ratings
12
450
-20 to +70
-40 to +125
Unit
V
mW
°C
°C
Operating Conditions
at Ta = 25°C
Parameter
Recommended operating voltage
Allowable operating voltage range 1
Allowable operating voltage range 2
Dolby level
Input "H" level voltage
Input "L" level voltage
Symbol
VCC
VCC range1
VCC range2
VO Dolby
VIH
VIL
When Dolby surround is ON
When Dolby Pro Logic surround is ON
Conditions
Ratings
9
8 to 10
8.5 to 10
300
3.5 to 5.5
0 to 1.0
Unit
V
V
V
mVrms
V
V
52504 JO IM No.7929-1/3
LV1017
Electrical Characteristics
at Ta = 25°C, VCC = 9V VIN = 300mV = 0dB, h = 1kHz, Dolby passive mode
Parameter
Current consumption
[LS, RSch]
Signal handling
S/N
Output level variation
Distortion factor
[Lch]
Signal handling
S/N
Output level variation
Distortion factor
[Rch]
Signal handling
S/N
Output level variation
Distortion factor
When s trim is -15dB
When s trim is -31dB
SH1R
SNR
VOR
THDR
STRIM1
STRIM2
Dec1
Dec2
NR frequency characteristic
Dec3
Dec4
Dec5
When setting -15dB
When setting -31dB
0dB, 1kHz
-20dB, 1kHz
0dB, 5kHz
-20dB, 5kHz
-40dB, 5kHz
-16
-33
-1.5
-24
-1.5
-23.3
-46.8
VCC = 8.5V, DIST < 3%
CCIR/ARM, Rg = 10k
15
80
-2
90
0
0.01
-15
-31
0
-22.5
0
-21.8
-45.3
+2
0.05
-14
-29
+1.5
+21
+1.5
+20.3
+43.8
dB
dB
dB
%
dB
dB
dB
dB
dB
dB
dB
SH1L
SNL
VOL
THDL
VCC = 8.5V, DIST < 3%
CCIR/ARM, Rg = 10k
15
80
-2
90
0
0.01
+2
0.05
dB
dB
dB
%
SH1S
SH2S
SNS
VOS
THDS
VCC = 8.5V, DIST < 3%, S-IN
VCC = 8V, DIST < 3%, L-R-IN
CCIR/ARM, Rg = 10k
15
10
65
-3
75
0
0.1
+3
0.7
dB
dB
dB
dB
%
Symbol
ICCO
No signal
Conditions
Ratings
min
15
typ
24
max
36
Unit
mA
Package Dimensions
unit : mm
3107A
No.7929-2/3