LA7955(1999) 查看數據表（PDF） - SANYO -> Panasonic
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LA7955 Datasheet PDF : 6 Pages
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LA7955
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum Supply Voltage
Maximum Control Signal Voltage
Allowable Power Dissipation
Operating Temperature
Storage Temperature
Symbol
V6max
V4max
V8max
V10max
Pd max
Topr
Tstg
Ta ≤ 70°C
Operating Conditions at Ta = 25°C
Parameter
Recommended Supply Voltage
Operating Supply Voltage Range
Symbol
VCC
VCC op
Operating Characteristics at Ta = 25°C, VCC = 12V
Conditions
Conditions
Parameter
Symbol
Conditions
Quiescent Current
Video Input Bias Voltage
Video Output Bias Voltage
Video Input Impedance
Video Output Impedance
Video Voltage Gain
Video Frequency Bandwidth
Output Noise Voltage
Video Crosstalk (between inputs 1 and 2)
Video Crosstalk (between inputs 1/2 and 3)
Video Output Hum Rejection
Audio Input Bias Voltage
Audio Output Bias Voltage
Audio Input Impedance (inputs 1 and 2)
Audio Input Impedance (input 3)
Audio Output Impedance
Audio Voltage Gain
Audio Frequency Bandwidth
Total Harmonic Distortion
ICC
V1, V3, V7
V5, V9
Z1, Z3, Z7 f = 1 kHz
Z5, Z9 f = 1 kHz
GVV Vin = 1 Vp-p (sine wave), f = 0.1 MHz
BWV Vin = 0.7 Vp-p (sine wave), –3 dB band for 0.1 MHz
VnV Rg = 75 Ω, 10 MHz band
CTV1 Rg = 75 Ω, f = 3.58 MHz
CTV2 Rg = 75 Ω, f = 3.58 MHz
HRV f = 50 Hz, Rg = 75 Ω
V12, V13,
V14, V17,
V18, V19
V11, V15,
V18, V20
Z12, Z13,
Z15, Z19
f = 1 kHz
Z14, Z17 f = 1 kHz
Z11, Z15,
Z16, Z20
GVA f = 1 kHz, Vin = 500 mVrms
BWA –1 dB band (Vin = 500 mVrms) for f = 1 kHz gain
THD f = 1 kHz, Vin = 500 mVrms
Output Noise Voltage
Audio Crosstalk (between inputs 1 and 2)
Audio Crosstalk (between inputs 1/2 and 3)
Audio Crosstalk (between L and R channels)
Mute Noise
Audio Hum Rejection 1
VnA
CTA1
CTA2
CTAS
VOAM
HR1
Rg = 600 Ω, 20 Hz to 20 kHz bandwidth
Rg = less than 4.7 kΩ, f = 1 kHz (Vin = 500 mVrms)
Rg = less than 4.7 kΩ, f = 1 kHz (Vin = 500 mVrms)
Rg = 4.7 kΩ, f = 1 kHz (Vin = 500 mVrms)
f = 1 kHz, Vin = 500 mVrms
Input Rg = 4.7 kΩ
Audio Hum Rejection 2
HR2 Input open
Switching Control Signal Input High Threshold Voltage V4TH, V8TH
Switching Control Signal Input Leak Current
I4L, I8L
Mute Input High Threshold Voltage
V10TH
Mute Input Leak Current
I10L
Note: The current flowing to the IC is positive and current from the IC is negative.
min
35
4.4
6.2
15
5.6
10
45
45
18
4.5
3.2
47
51
–0.5
100
75
75
72
40
28
1.1
1.1
Ratings
Unit
14.4
V
14.4
V
700
mW
–20 to +70
°C
–55 to +125
°C
Ratings
Unit
12
V
8 to 13.2
Vs
Ratings
typ
43
4.7
6.8
21
42
6.1
0.3
50
50
23
5.1
max
57
5.0
7.4
27
6.6
1.0
Unit
mA
V
V
kΩ
Ω
dB
MHz
mVrms
dB
dB
dB
5.7
V
3.8
68
74
75
–0.02
0.03
10
90
90
82
0.02
46
39
1.4
1.4
4.4
V
88
kΩ
95
kΩ
Ω
+0.5
0.2
50
0.1
1.7
–3
1.7
–3
dB
kHz
%
µVrms
dB
dB
dB
mVrms
dB
dB
V
µA
V
µA
No. 2740-2/6
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