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參數(shù)資料
| 型號(hào)： | LA3246 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, AUDIO PREAMPLIFIER, PDIP20 |
| 封裝： | 0.300 INCH, DIP-20 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 616K |
| 代理商： | LA3246 |
Operating Characteristics at Ta = 25°C, VCC = 6.0 V, RL =10kΩ, f = 1 kHz, 0 dB = 0.775 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
Icco
Nor/Nor speed forward
5
7
12
mA
Iccs
Metal/High speed forward
7
10
17
mA
Voltage gain (Open)
VGo
75
85
dB
Voltage gain (Closed)
VG
Nor/Nor speed, NAB
39.5
40.5
41.5
dB
Total harmonic distortion
THD
VO = 0.65 V, Nor/Nor speed
0.03
0.2
%
Maximum output voltage
VO max
THD = 1%, Nor/Nor speed
0.7
1.2
V
Crosstalk (between channels)
CT1
VO =–5dBm, Rg =2.2 kΩ, Nor/Nor speed
50
65
dB
Crosstalk (between F/R)
CT2
VO =–5dBm, Rg =2.2 kΩ, Nor/Nor speed
50
65
dB
Channel balance
VBL
VIN = –50 dBm
0
2
dB
Equivalent input noise voltage
VNI
Rg = 2.2 k
Ω, B.P.F 20 Hz to 20 kHz, Nor/Nor speed
0.9
1.7
μV
MIX output voltage
VOMIX
VO1, VO2=0dBm
–3
0
+3dB
Ripple filter output current
IFOUT
10
15
mA
Electronic switch ON-state
resistance
Ron
Between P1 to P4 and 5, between pin 16 and 17
100
250
Ω
Between P1 to P7 and 10, between pin 10 and 14
30
70
Ω
DC feedback resistance
RF
240
300
360
Ω
Input bias current
IF
0.5
3.0
μA
Equivalent Circuit Block Diagram
Allowable
power
dissipation,
Pd
max
–
mW
Ambient temperature, Ta – °C
Pd max–Ta
Top view
LA3246
No.2651-2/13
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