LA4820M
Specifications
Maximum Ratings at Ta = 25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
Allowable power dissipation
VCC1,2 max
Pd max
8.0
V
580
mW
With Sanyo evaluation board (84.2 × 92.6 mm2)
1.1
W
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–40 to +150
°C
Operating Conditions at Ta = 25 °C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
VCC1
VCC1 op
VCC2 op
Conditions
Ratings
Unit
6.0
V
2.5 to 7.2
V
2.0 to 7.2
V
Operating Characteristics at Ta = 25 °C, VCC1 = 6.0 V, fi = 1 kHz, 0.775 V = 0 dBm,
RL = 16 Ω: monaural amplifier, RL = 16 Ω : headphone amplifier
Parameter
Symbol
[Total]
Quiescent current
Input resistance
ICCO1
ICCO2
ICCO3
Ri
[Monaural Amplifier]
Output power
Voltage gain (closed)
PO1
VG1
Total harmonic distortion
THD1
Output noise voltage
Ripple rejection ratio
VNO 1
Rr1
DC offset voltage
VOFF1
[Non-clipping + Monaural Amplifier]
Output power
Total harmonic distortion
PO2
THD2
[Output Limiter + Monaural Amplifier]
Output power
Total harmonic distortion
PO3
THD3
[Headphone Amplifier]
Output power
Voltage gain (closed)
PO4
VG2
Total harmonic distortion
THD4
Interchannel crosstalk
CT
Output noise voltage
Ripple rejection ratio
VNO2
Rr2
DC offset voltage
[PVSS + Headphone Amplifier]
VOFF2
PVSS voltage
PVSS distortion factor
VO
THD5
PVSS start input
VOPi
PVSS width
WPVSS
[Ripple Filter]
Output voltage
VRF
Ripple rejection ratio
Rr3
Conditions
Rg = 0 kΩ, monaural amplifier
Rg = 0 kΩ, headphone amplifier
Headphone common amplifier off
THD = 10%, pin 12 connected to GND
VO = 0 dBm
PO = 100 mW
Rg = 0 Ω, BPF = 20 to 20 kHz
Rg = 0 Ω, Vr = −10 dBm, fr = 100 Hz
Between pin 19 and pin 21
Vi = 0 dBm
Vi = 0 dBM
Vi = 0 dBm, output limiter input resistance 220 Ω
Vi = 0 dBm, output limiter input resistance 220 Ω
THD = 10%
VO = –10 dBm
PO = 1 mW
VO = –5 dBm, Rg = 0 Ω
Rg = 0 Ω, BPF = 20 to 20 kHz
Rg = 0 Ω, Vr = −10 dBm, fr = 100 Hz
Between pin 15 and pin 16, and pin 16 and pin 17
Vi = –30 dBm, PVSS2
Vi = –30 dBm, PVSS2
PVSS2
Input width from the starting point to the point
where the output is +4 dB, PVSS ON
IRF = 300 mA, 2SB1295 hFE6 used
Vr = –10 dBm, fr = 100 Hz, IRF = 300 mA,
2SB1295 hFE6 used
min typ max Unit
7.0 11.5 21.0 mA
5.5 9.0 14.0 mA
4.0 6.3 10.0 mA
10
13
16 kΩ
500 760
mW
36.0 39.0 42.0 dB
0.1 1.0 %
170 300 µV
60 77
dB
–80
0 +80 mV
300 450
1.2
mW
2.0 %
120 200 300 mW
0.5 1.2 %
30 120
mW
15.3 18.3 21.3 dB
0.1 0.5 %
30 39
dB
16 35 µV
70 92
dB
–40
0 +40 mV
–39 –36
0.25
–59 –55
28 35
–33 dBm
1.6 %
–51 dBm
dB
5.30 5.49 5.70 V
30 34
dB
No.5205-2/20