LA4802 SANYO [Sanyo Semicon Device], LA4802 Datasheet - Page 2

• Manufacturer Part Number: LA4802
• Description: Headphone Stereo Power Amplifier
• Manufacturer: SANYO [Sanyo Semicon Device]

Operating Conditions at Ta = 25°C
Electrical Characteristics at Ta = 25°C, V
Switch Threshold Voltages and Pin Influx Currents
Recommended supply voltage
Operating supply voltage range
Recommended load resistance
Ta = 25°C, V
Quiescent current
Operating current drain
Voltage gain
Channel balance
Output power
Total harmonic distortion
Output noise voltage
Crosstalk
Ripple rejection ratio
Peak output voltage
Muting attenuation
Power on voltage sensitivity
Power off voltage sensitivity
Mute on voltage sensitivity
Mute off voltage sensitivity
Boost on voltage sensitivity
Boost off voltage sensitivity
Operating current drain
Total harmonic distortion
Output noise voltage
Crosstalk
Ripple rejection ratio
• Standby switch (pin 1)
• Mute switch (pin 20), boost switch (pin 4)
CC
= 2.7 V, f
Parameter
Item
IN
= 1 kHz, R
L
= 47 kΩ (Characteristics when used as a line output), L.B OFF
120
100
40
30
20
80
60
40
20
0
V
0
0
Symbol
Symbol
V
SVRR2
V
V
V
SVRR
V
I
I
I
O
THD2
V
V
V
V
CCO
CCO
CCO
I
∆VG
THD
20 OFF
I
V
CC
V
CT2
0
20 ON
1 OFF
4 OFF
0
CC
VG
P
CT
BEEP
CC
R
1 ON
4 ON
NO
OFF
CC
NO
O
L
op
1
2
2
1
2
3
L
L
CC
Current when ST is off (with L.B. on and muting off)
Current when muting is on (with ST on and L.B. on)
Current when ST is on (with L.B. on and muting off)
P
V
V
THD = 10%
V
Rg = 10 kΩ, IHF A
T
fr = 100 kHz, Vr = –20 dBm, T
V
THD = 1%, T
Power on threshold voltage
Power off threshold voltage
Muting on threshold voltage
Muting off threshold voltage
Boost on threshold voltage
Boost off threshold voltage
V
V
Rg = 10 kΩ, IHF A
T
fr = 100 kHz, Vr = –20 dBm, T
H : MUTE ON, L. B OFF
L : MUTE OFF, L. B ON
O
O
O
O
UN
IN
O
O
UN
1
= 2.4 V, f
1
= 0.1 mW (With 2 channels driven)
= –10 dBm
= –10 dBm
= –8 dBm, 20 kHz LPF
= 0 dBm (With 2 channels driven)
= 0 dBm, 20 kHz LPF
= 2.4 Vp-p, f = 1 kHz, MUTE OFF
1kHz, V
1kHz, V
H : IC ON
L : IC OFF
LA4802T
O
O
UN
= –10 dBm
= –10 dBm
2
2
V
IN
1kHz
20
Conditions
V
, V
= 1 kHz, R
1
H
(V)
4
Conditions
H
(V)
3
3
UN
UN
100Hz
100Hz
L
= 16 Ω
4
4
5
5
min
–100
6.8
1.0
1.6
1.4
1.4
–1
25
70
60
80
65
Ratings
0.005
typ
–100
–120
–100
0.05
0.03
530
950
3.2
7.8
2.7
1.5
38
80
70
90
78
0
Ratings
1.8 to 3.6
16 to 32
2.4
max
1500
0.05
900
–90
–90
3.7
8.8
0.1
0.5
0.5
0.5
2.0
No. 6657-2/10
+1
1
dBm
dBm
Unit
Unit
mW
mA
mV
mA
µA
µA
µA
dB
dB
dB
dB
dB
dB
dB
V
V
Ω
%
%
V
V
V
V
V
V