SSM2005 查看數據表（PDF） - Analog Devices
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SSM2005 Datasheet PDF : 15 Pages
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SSM2005–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS (VS = ±6.0 V, TA = ؉25؇C, f = 2 kHz, Modes: Video, 5-2-5, Center On, Sound Spread Off,
Autobalance Off, Noise Off)
Parameter
INPUT CHARACTERISTICS␣
Level1
Input Impedance
OUTPUT CHARACTERISTICS
Level
Left Front
Right Front
Center
Left Rear, Right Rear
Channel Separation
Left Front and Right Front / Center
Left Rear and Right Rear / Center
Left Rear, Left Front
Left Rear, Right Rear
Output Impedance
DYNAMIC PERFORMANCE␣
Total Harmonic Distortion + Noise
Signal-to-Noise Ratio
Dynamic Range, Output
Headroom
NOISE GENERATOR␣
Output Level2
Matching
AUTOBALANCE
Capture Range
Capture Time
CONTROL LOGIC␣
Logic Thresholds
High (1)
Low (0)
Input Current
Timing Characteristics
POWER SUPPLIES␣
Operating Voltage Range3
Current
NOTES
10 dBd = 300 mV rms.
2With filter shown in Figure 8.
3Specifications apply for VS = ± 6 V.
Specifications subject to change without notice.
Symbol
VL, VR
ZIN
Conditions
ZSOURCE < 10 Ω
L and R Inputs
ZOUT
THD+N
SNR
DR
HR
LT = 0 dBd, RT = Off
RT = 0 dBd, LT = Off
LT = RT = 0 dBd, In Phase,
Video Mode
LT = RT = 0 dBd, Out of Phase
LT = RT, In Phase, Video Mode
LT = RT, Out of Phase
LT = RT, Out of Phase
LT = RT, Out of Phase
All Channels
Noise Floor to 1% THD
All Channels
Noise Mode On, A-Weighted
All Channels
| VH | – |VL|
VL = VR > –10 dBd,
|VLEFT – VRIGHT| < 3 dB
Logic Levels Referenced to ACOM
See Timing Diagrams
VS
+VS, –VS
IS
Single Supply
Dual Supply
VL = VR = ACOM, VS = 12 V
LICENSING INFORMATION
Min Typ Max
0
10
0
0
+6
+3
30
40
30
30
10
0.04
88
100
12
–10
0.5 1.5
±4
5
2.4
0.8
1
+10
+12
±5
±6
18 30
Units
dBd
kΩ
dBd
dBd
dBd
dBd
dBd
dBd
dBd
dBd
Ω
%
dB
dB
dB
dBd
dB
dB
s
V
V
µA
V
V
mA
The CIRCLE SURROUND® TECHNOLOGY rights incorporated in the SSM2005 are owned by SRS Labs, Inc. and by Valence Technology Ltd., and licensed
to Analog Devices, Inc.
Users of any SSM2005 Circle Surround decoder must first sign a free use license to purchase OEM quantities for consumer electronics applications which
may be granted upon submission of a preproduction sample to, and the satisfactory passing of performance verification tests performed by SRS Labs, Inc.
or Valence Technology Ltd. SRS Labs, Inc. and Valence Technology Ltd. reserve the right to decline a use license for any submission that does not pass
performance specifications or is not in the consumer electronics classification.
All equipment manufactured using any SSM2005 Circle Surround decoder must carry the Circle Surround logo on the front panel in a manner approved
in writing by SRS Labs, Inc. or Valence Technology Ltd. If the Circle Surround logo is printed in users manuals, service manuals or advertisements, it
must appear in a form approved in writing by SRS Labs, Inc. or Valence Technology Ltd. The rear panel of Circle Surround products, users manuals,
service manuals, and all advertisements must all carry the Circle Surround legend as specified in the Circle Surround trademark manual published by SRS
Labs, Inc. and Valence Technology Ltd.
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