la6579h Sanyo Semiconductor Corporation, la6579h Datasheet - Page 2

• Manufacturer Part Number: la6579h
• Description: For Cd-r Four-channel Bridge Btl Driver
• Manufacturer: Sanyo Semiconductor Corporation

Electrical Characteristics at Ta = 25°C, V CC _S = V CC _P1 = V CC _P2 = 8V, VREF = 1.65V, MUTE = 3.3V
Note *1 : MUTE output ON with HI and OFF with LOW (AMP output OFF with HI impedance). Operative for all channels.
Package Dimensions
unit : mm (typ)
3234B
ALL Blocks
No-load current drain ON 1
No-load current drain ON 2
MUTE ON voltage
MUTE OFF voltage
Output AMP Block (BTL-AMP) (CH1)
Input AMP offset voltage
Output voltage
Input and output gain
Slew rate
Input OP_AMP
Output offset voltage
OP-AMP_SINK
OP-AMP_SOURCE
[Input OP_AMP changeover]
Input AMP changeover voltage 1
Input AMP changeover voltage 2
Output AMP (CH2 to 4)
Output offset voltage
Output voltage
Input and output gain
Slew rate
3.3V power supply
3.3 VREG output voltage
REG-IN SINK current
Line regulation
Load regulation
(0.8)
*2 : Voltage at both ends of an 8Ω load inserted between outputs. H or L for input. Output in the saturation condition.
*3 : CH1 input OP_AMP at 0dB (BUFFER)
*4 : Design guarantee value
*5 : OP-AMP_A is operated when V IN _SW is H. OP-AMP_B is operated when it is L.
1
28
Parameter
0.8
2.0
(6.2)
15.2
2.7
0.3
14
15
V OFF _OP-AMP
OP_SOURCE
REG-IN-SINK
VMUTE-OFF
VMUTE-ON
OP_SINK
3.3VREG
I CC -OFF
V IN 1-SW
V IN 1-SW
unless especially specified.
I CC -ON
Symbol
V OFF 1
V OFF 2
ΔV O LN
ΔV O LD
V O 1
VG1
SR1
V O 2
VG2
SR2
SANYO : HSOP28HC(375mil)
0.25
All outputs ON, MUTE:HI
All channels ON, MUTE:LOW
R L =8Ω *2
*3
AMP Independent
Multiply 2 between outputs. *3
Input OP-AMP_A and B
Input OP-AMP, SOUECE current
Select CH1, input OP-AMP_B *5
Select CH1, input OP-AMP_B *5
Between + and – outputs of each CH
Between each plus and minus outputs *2
*3
AMP Independent
Multiply 2 between outputs. *3
I O = 200mA
Base current of external PNP transistor
6V ≤ V CC ≤ 12V, I O = 200mA
5mA ≤ I O ≤ 200mA
MUTE *1
MUTE *1
CH1, input OP-AMP_A and B
Input OP-AMP, SINK current
LA6579H
Conditions
1.80
0.80
2.5
1.5
0.5
2
1
0
--30 --20
When mounted on a board
Independent IC
Ambient temperature, Ta – °C
0
min
3.18
300
-50
6.2
5.4
-10
-50
5.4
Specified board : 114.3×76.1×1.6mm
5
Pd max -- Ta
2
2
1
2
5
20
Ratings
typ
500
40
6.5
0.5
5.4
0.5
3.3
30
10
20
50
5
6
6
glass epoxy
60
max
3.42
150
200
6.6
0.5
6.6
0.5
45
10
50
10
50
No.A0600-2/8
80
Times
Times
V/μs
V/μs
Unit
0.42
0.94
mA
mA
mV
mV
mA
mV
mA
mV
mV
μA
V
V
V
V
V
V
V
100
3