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參數資料
| 型號： | LA6572 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO36 |
| 封裝： | 0.375 INCH, SOP-36 |
| 文件頁數： | 2/9頁 |
| 文件大小： | 101K |
| 代理商： | LA6572 |
LA6572
No.7777-2/9
Allowable Operating Range at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Power supply Voltage
VCC
4.5 to 13
V
Electrical Characteristics at Ta = 25
°C, VCC1 = VCC2 = 8V, VREF = 1.65V, unless especially specified.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
All Blocks
No-load current drain ON
ICC-ON
All outputs ON *1
30
50
mA
No-load current drain OFF
ICC-OFF
All outputs OFF *1
10
20
mA
VREF input voltage range
VREF-IN
0.5
VCC-1.5
V
VREF-OUT output voltage
VREF-OUT
1.6
1.65
1.7
V
VREF-OUT output current
I-VREF-OUT
2
5
mA
VREF changeover voltage H
VREF-SW-H
External VREF selected (VREF-SW: H)
3.5
V
VREF changeover voltage L
VREF-SW-L
Internal VREF selected (VREF-SW: L)
1.5
V
Thermal shutdown temperature
TSD
Design guarantee value *
150
175
200
°C
BTL AMP (CH1 to CH5)
Output offset voltage
VOFF
Voltage difference between outputs for BTL
AMP, each channel. *2
-50
50
mV
Input voltage range
VIN
Input voltage range for input for OP-AMP.
0
VCC-1.5
V
Output voltage
VO
Each voltage between VO
+ and VO- when
RL = 8. *2
5.7
6.5
V
Closed-circuit voltage gain
VG
Input and output gain. Input OP-AMP: BUFFER
3.6
4
4.4
deg
Slew rate
SR
AMP Independent Multiply 2 between outputs.
0.5
V/
s
MUTE ON voltage
VMUTE-ON
Each MUTE *3
2
V
MUTE OFF voltage
VMUTE-OFF
Each MUTE *3
0.5
V
Input Amp Block
Input voltage range
VIN-OP
0
VCC-1.5
V
Output offset voltage
VOFF-OP
-10
10
mV
Output current (SINK)
SINK-OP
2
mA
Output current (SOURCE)
SOURCE-OP
*4
300
500
A
Power Supply Block (PNP Transistor: 2SB632K-Use)
3.3V power supply output
VOUT
IO = 200mA
3.18
3.3
3.42
V
REG-IN SINK current
REG-IN-SINK
Base current to external PNP
5
10
mA
Line regulation
VOLN
6V
≤ VCC ≤ 12V, IO = 200mA
20
150
mV
Load regulation
VOLD
5mA
≤ IO ≤ 200mA
50
200
mV
3.3V power supply ON voltage
REG-ON
EN voltage at which 3.3V power is turned ON. *5
2
V
3.3V power supply OFF voltage
REG-OFF
EN voltage at which 3.3V power is turned OFF. *5
0.5
V
*. This is design target value and is not measured.
*1. Current dissipation that is a sum of VCC1 and VCC2 at no load.
*2. Input AMP is a BUFFER AMP. VIN5+ of CH5 is connected to VREF-OUT (CH5) (internal VREF).
*3. Voltage difference between both ends of load (8
). Output saturated.
*4. The source of input OP-AMP is a constant current. As the 11k
resistance to the next stage is a load, pay due
attention when setting the input OP-AMP gain.
*5. Output ON with MUTE : “H”, output OFF with MUTE : “L” (HI impedance)
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