SANYO LV1035M Datasheet
Overview
The LV1035M is a Dolby ProLogic surround signalprocessing IC that combines the functionality of the
LV1016 and LA2786 products. The LV1035M allows
systems that provide both Dolby ProLogic surround
functionality and a wide range of additional digital
surround functions to be constructed with a single IC.
Functions
• Adaptive matrix
• Center mode control (normal, phantom, and wide)
• 4-channel/3-channel logic control
• Auto-balance (on/off)
• ProLogic off mode (bypass and full bypass)
• Center trim (0 to –31 dB) in 1-dB steps
• On-chip memory (8K SRAM)
• Variable delay time (50, 40, 30, 25, 20, 15 ms)
• New A/D and D/A converter circuits adopted.
• Dolby B noise reduction
• On-chip I/O filters
• Built-in VDDcircuit
• Surround trim (0 to –31 dB) in 1-dB steps
• Input and output muting functions
Features
• ProLogic surround decoder implemented in a single chip
• Wide dynamic range
• All modes can be controlled over a serial data control
interface using clock, data, enable signals.
Note: Dolby and the double D symbol are registered
trademarks of the Dolby Laboratories Licensing
Corporation. This IC can only be used by Dolby
licensees. Licensing information and corresponding
technical information is available from:
Dolby Licensing Corporation
San Francisco, CA 94103-4813
USA
Package Dimensions
unit: mm
3159-QFP64E
Monolithic Linear IC
D0597RM (OT) No. 5772-1/13
Preliminaly
SANYO: QIP64E
[LV1035M]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
Dolby ProLogic Decoder
LV1035M
Ordering number : EN*5772
No. 5772-2/13
LV1035M
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
CC
max 12 V
Allowable power dissipation Pd max 1100 mW
Operating temperature Topr –20 to +70 °C
Storage temperature Tstg –40 to +150 °C
Specifications
Maximum Ratings at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
CC
9 V
Operating supply voltage range V
CC
op 8 to 10 V
Input high-level voltage V
IH
3.5 to 5.5 V
Input low-level voltage V
IL
0 to 1.5 V
Dolby level V
O
Dolby 300 mVrms
Operating Conditions at Ta = 25°C
Parameter Symbol Conditions
Ratings
Unit
min typ max
Quiescent current I
CC
No signal 80 100 mA
Center channel output level V
OC
L = R input –2 0 +2 dB
Output level deviation V
OA
L, R, Sch from Cch –0.5 0 +0.5 dB
Matrix rejection: left R
iL
L input –40 –25 dB
Matrix rejection: center R
jC
L = R input –40 –25 dB
Matrix rejection: right R
jR
R input –40 –25 dB
Matrix rejection: surround R
jS
L = –R input –40 –25 dB
Left channel harmonic distortion THD L L output 0.03 0.09 %
Center channel harmonic distortion THD C C output 0.03 0.09 %
Right channel harmonic distortion THD R R output 0.03 0.09 %
Surround channel harmonic distortion 1 THD S1 S matrix output %
Surround channel harmonic distortion 2 THD S2 S delay output 0.1 0.7 %
S/N, L SN, L L output: CCIR/ARM, Rs = 10 kΩ –76 –71 dB
S/N, C SN, C C output: CCIR/ARM, Rs = 10 kΩ –77 –71 dB
S/N, R SN, R R output: CCIR/ARM, Rs = 10 kΩ –76 –71 dB
S/N, S1 SN, S S matrix output dB
S/N, S2 SN, S S delay output –75 –65 dB
Left channel signal handling SH
L
L output: VCC= 8.5 V, THD ≤ 1% 15 16 dB
Center channel signal handling SH
C
C output: VCC= 8.5 V, THD ≤ 1% 15 18 dB
Right channel signal handling SH
R
R output: VCC= 8.5 V, THD ≤ 1% 15 16 dB
Surround channel signal handling SH
S
1 S delay output: VCC= 8.5 V, THD ≤ 3% 15 18 dB
Noise sequencer output level Vns Each channel 50 70 90 mV
Dec1 0 dB, 1 kHz –1.5 0.0 +1.5 dB
Dec2 –20 dB, 1 kHz –24 –22.5 –21 dB
Noise reduction frequency characteristics Dec3 0 dB, 5 kHz –1.5 0.0 +1.5 dB
Dec4 –20 dB, 5 kHz –23.3 –21.8 –20.3 dB
Dec5 –40 dB, 5 kHz –46.8 –45.3 –43.8 dB
ProLogic off, left and right channels THDoff L, Rch 20 to 20 kHz BPF 0.01 0.03 %
ProLogic off, left and right channels S/N S/Noff L, Rch CCIR/ARM 90 –80 dB
Operating Characteristics at Ta = 25°C, VCC= 9 V, VIN= 300 mV rms (left and right inputs), 300 mVrms x
0.707 (center and surround inputs), f = 1 kHz, center trim = 0 dB, surround trim = 0 dB, delay time = 20 ms.
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