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參數資料
| 型號： | LA70050W |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PQFP48 |
| 封裝： | 7 X 7 MM, QFP-48 |
| 文件頁數： | 8/15頁 |
| 文件大小： | 641K |
| 代理商： | LA70050W |
LA70050W
No.A0215-2/15
Electric Characteristics at Ta = 25
°C, VCC=4.9V
PB (Play Back) Mode Pre-AMP
Test Point
Ratings
Parameter
Symbol
IN
OUT
Conditions
min
typ
max
Unit
PB mode current drain
ICCP
The current drawn by pins 6, 21, and 34
55
65
75
mA
Voltage Gain
SP-L
CH1
Gvp1
T46
58.0
60.0
62.0
LP-L
CH2
Gvp2
T42
58.0
60.0
62.0
SP/LP-H CH3
Gvp3
T38
T18
The gain for VIN = 38mVp-p, f = 10MHz
58.0
60.0
62.0
dB
Difference of gain between
channel
Gvp1
Gvp1-Gvp3
-1.0
0
+1.0
dB
Difference of gain between
mode
Gvp2
Gvp1-Gvp2
-1.0
0
+1.0
dB
CH1
Vfp1
T46
CH2
Vfp2
T42
Frequency characteristics
CH3
Vfp3
T38
T18
The ratio of the VIN = 38mVp-p,
f = 20MHz output and Gvp1, 2, 3.
-1.0
0
+1.0
dB
CH1
VHDP1
T46
CH2
VHDP2
T42
Secondary harmonic
distortion
CH3
VHDP3
T38
T18
The ratio of 20MHz (second component) of
f = 10MHz output and 10MHz (first component).
-45
-40
dB
CH1
VOMP1
T46
CH2
VOMP2
T42
Maximum output level
CH3
VOMP3
T38
T18
As f = 10MHz, the output level of which become -30dB as
the ratio of output 30MHz
(third component) and 10MHz (first component).
1
1.2
Vp-p
Cross talk SP1
VCR1
T42
T18
The ratio of output of VIN = 38mVp-p,
10MHz and Gvp1.
-40
-35
dB
Cross talk SP2
VCR2
T38
T18
The ratio of output of VIN = 38mVp-p,
10MHz and Gvp2.
-40
-35
dB
Cross talk SP3
VCR3
T46
T18
The ratio of output of VIN = 38mVp-p,
10MHz and Gvp3.
-40
-35
dB
CH1
VEIN1
T46
CH2
VEIN2
T42
Equivalent input noise
voltage
CH3
VEIN3
T38
T18
The ratio of the output passed through a 1.1MHz
low-pass filter for a VIN = 38mVp-p, f = 1MHz input and
the output when there is no signal.
0.6
1.2
mVrms
Output DC offset 1
VODC1
T18
The T18 output DC difference between channels 1 and 2
when there is no input.
-50
0
50
mV
Output DC offset 2
VODC2
T18
The T18 output DC difference between channels 1 and 3
when there is no input.
-50
0
50
mV
Output DC offset 3
VODC3
T18
The T18 output DC difference between channels 2 and 3
when there is no input.
-50
0
50
mV
CH1
VMUTE1
T46
CH2
VMUTE2
T42
Muting attenuation
CH3
VMUTE3
T38
T18
The ratio of the VIN = 38mVp-p,
f = 10MHz output and Gvp1, 2, 3.
-60
-55
dB
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