la4809m Sanyo Semiconductor Corporation, la4809m Datasheet - Page 2

• Manufacturer Part Number: la4809m
• Description: Monolithic Linear Ic Stereo Headphone Amplifier
• Manufacturer: Sanyo Semiconductor Corporation

Specifications
Maximum Ratings at Ta = 25°C
* Evaluation board of SANYO Semiconductor : 50mm × 50mm × 0.8mm (Glass epoxy double-side PCB)
Operating Conditions at Ta = 25°C
* Determine the supply voltage with due consideration of the allowable power dissipation.
* Note that the supply voltage range is limited depending on the setting of the maximum output power value.
Electrical Characteristics at Ta = 25°C, V CC = 12V, R L = 16Ω, fin = 1kHz, V3 = 2V, Pin 10 : open
* mode-A (Pin 10 = open) : P O max = 55mW
mode-B (Pin 10 = gnd) : P O max = 160mW
Maximum supply voltage
Allowable power dissipation
Maximum junction temperature
Operating temperature
Storage temperature
Recommended supply voltage
Recommended load resistance
Operating supply voltage range
Quiescent current drain
Standby current drain
Maximum output power-A
Maximum output power-B
Voltage gain
Channel balance
Total harmonic distortion
Output noise voltage
Channel separation
Mute attenuation level
Ripple rejection ratio
Pin 2 voltage-A
Pin 2 voltage-B
STBY control HIGH voltage
STBY control LOW voltage
Pin 2 voltage : V2 = 2.1V, Internal regulator voltage : Vreg = 2 × V2 = 4.2V, Amp operating reference voltage : Vref = 1 × V2 = 2.1V
Pin 2 voltage : V2 = 3.1V, Internal regulator voltage : Vreg = 2 × V2 = 6.2V, Amp operating reference voltage : Vref = 1 × V2 = 3.1V
Parameter
Parameter
Parameter
V CC max
Pd max
Tj max
Topr
Tstg
V CC
R L
V CC op-1
V CC op-2
V CC op-3
I CCO P
I STBY
P O MAXA
P O MAXB
VG
CHB
THD
V N OUT
CHsep
VMT
SVRR
V2A
V2B
VSBH
VSBL
Symbol
Symbol
Symbol
Without signal
* Mounted on a printed circuit board.
mode-B (for P O max = 160mW)
mode-A (for P O max = 55mW)
* Depending on the output power value when the
No signal
No signal, Standby mode (V3 = 0.3V)
THD = 10%, mode-A
THD = 10%, mode-B (Pin 10 : gnd)
Vin = -20dBV
Vin = -20dBV
Vin = -20dBV
Rg = 620Ω, 20 to 20kHz
Vin = -15dBV
Vin = -10dBV, Standby mode (V3 = 0.3V)
Rg = 620Ω, fr = 100Hz, Vr = -10dBV
mode-A
mode-B (Pin 10 : gnd)
(Circuit power mode)
(Circuit standby mode)
external part is added
LA4809M
Conditions
Conditions
Conditions
min
10.2
-1.5
-80
30
87
60
70
2
0
Ratings
Ratings
Ratings
typ
0.01
11.7
0.15
160
3.8
-88
2.1
3.1
55
18
72
81
0
-40 to +150
-30 to +75
6.2 to 17
4.2 to 17
3.6 to 17
16 to 32
max
13.2
+1.5
1.75
No.A1569-2/15
150
6.5
0.7
0.6
18
12
50
5
9
μVrms
dBV
Unit
Unit
Unit
mW
mW
mA
μA
dB
dB
°C
°C
°C
dB
dB
W
%
Ω
V
V
V
V
V
V
V
V
V