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LA4802T डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Headphone Stereo Power Amplifier - Sanyo

भाग संख्या LA4802T
समारोह Headphone Stereo Power Amplifier
मैन्युफैक्चरर्स Sanyo 
लोगो Sanyo लोगो 
पूर्व दर्शन
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<?=LA4802T?> डेटा पत्रक पीडीएफ

LA4802T pdf
LA4802T
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Recommended load resistance
Symbol
VCC
VCC op
RL
Conditions
Ratings
2.4
1.8 to 3.6
16 to 32
Unit
V
V
Electrical Characteristics at Ta = 25°C, VCC = 2.4 V, fIN = 1 kHz, RL = 16
Item
Symbol
Conditions
Quiescent current
ICCO1 Current when ST is off (with L.B. on and muting off)
ICCO2 Current when muting is on (with ST on and L.B. on)
ICCO3 Current when ST is on (with L.B. on and muting off)
Operating current drain
ICC1 PO = 0.1 mW (With 2 channels driven)
Voltage gain
VG VO = –10 dBm
Channel balance
VG VO = –10 dBm
Output power
PO THD = 10%
Total harmonic distortion
THD VO = –8 dBm, 20 kHz LPF
Output noise voltage
VNO Rg = 10 k, IHF A
Crosstalk
CT TUN1kHz, VO = –10 dBm
Ripple rejection ratio
SVRR fr = 100 kHz, Vr = –20 dBm, TUN100Hz
Peak output voltage
VOBEEP VIN = 2.4 Vp-p, f = 1 kHz, MUTE OFF
Muting attenuation
VOFF THD = 1%, TUN1kHz
Power on voltage sensitivity
V1 ON Power on threshold voltage
Power off voltage sensitivity
V1 OFF Power off threshold voltage
Mute on voltage sensitivity
V20 ON Muting on threshold voltage
Mute off voltage sensitivity
V20 OFF Muting off threshold voltage
Boost on voltage sensitivity
V4 ON Boost on threshold voltage
Boost off voltage sensitivity
V4 OFF Boost off threshold voltage
Ta = 25°C, VCC = 2.7 V, fIN = 1 kHz, RL = 47 k(Characteristics when used as a line output), L.B OFF
Operating current drain
ICC2 VO = 0 dBm (With 2 channels driven)
Total harmonic distortion
THD2 VO = 0 dBm, 20 kHz LPF
Output noise voltage
VNO2 Rg = 10 k, IHF A
Crosstalk
CT2 TUN1kHz, VO = –10 dBm
Ripple rejection ratio
SVRR2 fr = 100 kHz, Vr = –20 dBm, TUN100Hz
min
6.8
–1
25
70
60
1.0
–100
1.6
1.4
1.4
80
65
Ratings
typ
0.05
530
950
3.2
7.8
0
38
0.03
–100
80
70
2.7
–120
1.5
0.005
–100
90
78
max
1
900
1500
3.7
8.8
+1
0.1
–90
0.5
0.5
0.5
Unit
µA
µA
µA
mA
dB
dB
mW
%
dBm
dB
dB
mV
dB
V
V
V
V
V
V
2.0
0.05
–90
mA
%
dBm
dB
dB
Switch Threshold Voltages and Pin Influx Currents
• Standby switch (pin 1)
120
100
80 L
H : IC ON
L : IC OFF
H
60
40
20
0
012345
V1 (V)
• Mute switch (pin 20), boost switch (pin 4)
H : MUTE ON, L. B OFF
L : MUTE OFF, L. B ON
40
30 L
20
H
0
01 2 345
V20, V4 (V)
No. 6657-2/10

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LA4802THeadphone Stereo Power AmplifierSanyo
Sanyo


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