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PDF LA3161 Data sheet ( Hoja de datos )
| Número de pieza | LA3161 | |
| Descripción | 2-Channel Preamplifier | |
| Fabricantes | ON Semiconductor | |
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LA3161
Monolithic Linear IC
2-Channel Preamplifier
for Car Stereo
www.onsemi.com
Features
On-chip 2 preamplifiers
Good ripple rejection owing to on-chip voltage regulator
Minimum number of external parts required
Low noise
8-pin SIP package facilitating easy mounting
Pin-compatible with LA3160
Specifications
Absolute Maximum Ratings at Ta = 25C
Parameter
Maximum Supply Voltage
Allowable Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VCC max
Pd max
Topr
Tstg
Conditions
SIP8 22x4.5 / SIP8
Ratings
18
200
20 to 75
40 to 125
Unit
V
mW
C
C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed,
damage may occur and reliability may be affected.
Recommended Operating Conditions at Ta = 25C
Parameter
Supply Voltage
Load Resistance
Symbol
VCC
PL
Conditions
Ratings
Unit
9V
10k
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended
Operating Ranges limits may affect device reliability.
Electrical Characteristics at Ta = 25C, VCC = 9V, RL = 10k, Rg = 600, f = 1kHz, NAB
Parameter
Symbol
Conditions
Ratings
min typ
Current Dissipation
ICC
6.5
Voltage Gain
Output Voltage
Total Hamonic Distortion
Input Resistance
Equivalent Input Noise Voltage
VG
VO
THD
ri
VNI
Closed loop
Open loop, VO = 0.77V
THD = 1%
VO = 0.5V
Rg = 2.2k
35
70 78
1.0 1.3
0.05
70k 100k
1.2
Crosstalk
CT Rg = 2.2k
50 65
Ripple Rejection
Rr
40
max
8.0
0.30
2.0
Unit
mA
dB
dB
V
%
F
dB
dB
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be
indicated by the Electrical Characteristics if operated under different conditions.
ORDERING INFORMATION
See detailed ordering and shipping information on page 7 of this data sheet.
© Semiconductor Components Industries, LLC, 2014
August 2014 - Rev. 0
1
Publication Order Number :
LA3161/D
1 page  
LA3161
(b) Tape speed : 4.75cm/s. (cassette)
VG : RNF
VG
RNF
30
440
35 40
240 130
dB
(c) Flat amplifier
VG : RNF
VG 30 35 40 dB
RNF
3.2
1.8
1
k
Proper cares in using IC
1. Maximum Rating
If the IC is used in the vicinity of the maximum rating, even a slight variation in conditions may cause the maximum
rating to be exceeded, thereby leading to a breakdown. Allow an ample margin of variation for supply voltage, etc.
and use the IC in the range where the maximum rating is not exceed.
2. Short between pins
If the supply voltage is applied when the space between pins is shorted, a breakdown or deterioration may occur.
When installing the IC on the board or applying the supply voltage, make sure that the space between pins is not
shorted with solder, etc.
3. Breakdown of IC attributable to inverted insertion
If the IC is inserted inversely and operated, the IC may suffer from something unusual, thereby leading to a breakdown or
deterioration of the IC. When installing the IC on the board or operating the IC, check the marked surface of IC.
Proper cares to be taken for obtaining optimum operation of IC
Set DC resistance of R1, R2 of NAB element at approximately 100k.
Determine the gain by changing RNF without chaging NAB constant (Refer to Examples of NAB constant.).
5
VCC = 9V
3 RL = 10kΩ
2 Rg = 600Ω
VO -- Vi
VG = 35dB / 1kHz
1.0
7
5
3
VG -- f
90
80
70
60
C4N7μFF=(110000ΩμFsho(r1t)00Ω short)
VCC = 9V
RL = 10kΩ
Rg = 600Ω
Without NFB
2
0.1
7
5
50
40
30
With NFB (NAB) 9.5cm/sec
3
2
5
0.1 2 3 5
1.0 2 3 5
10
Input voltage, Vi -- mV
THD -- VO
3
2 VCC = 9V
RL = 10kΩ
10 Rg = 600Ω
VG = 35dB / 1kHz
5
3
2
2 3 5 100
JK316108
1.0
5
3
2
20
2 3 5 100 2 3 5 1K 2 3 5 10K 2 3 5 100K
Frequency, f -- Hz
JK316109
VNI -- Rg
3
2
INPUT
LA3161
FLAT
Amp
FILTER
Amp
OUTPUT
Rg
10 VG = 35dB
15Hz to 30kHz
VG = 45dB
7 VCC = 9V
5 RL = 10kΩ
3
2
0.1 1.0
5
3
5
7 0.1
23
5 7 1.0
Output voltage, VO -- V
23
JK316110
7
55 7 1
2 3 5 7 10
2 3 5 7 100
2
Signal source resistance, Rg -- kΩ JK316111
www.onsemi.com
5
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| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LA3161.PDF ] | |
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