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參數資料
| 型號： | LA6557H |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| 封裝： | 0.375 INCH, HEAT SINK, SOP-28 |
| 文件頁數： | 2/6頁 |
| 文件大小： | 129K |
| 代理商： | LA6557H |
LA6557H
No.6350-2/6
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
5.6 to 13
V
Electrical Characteristics at Ta
= 25°C, VCC1 = VCC2 = 8V, VREF = 1.65V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
No-load current drain: on
ICC-ON
All outputs on *1, FWD = REV = 0 V
30
50
mA
No-load current drain: off
ICC-OFF
All outputs off *1, FWD = REV = 0 V
10
20
mA
VREF input voltage range
VREF-IN
1
VCC-1
V
BTL Amplifier Block
Output offset voltage
VOFF
The voltage difference between outputs for the
BTL amplifiers
-50
+50
mV
Input voltage range
VIN
The input voltage range
0
VCC
V
Output voltage
VO
The voltage between VO+ and VO- for each
channel when RL = 8
.*2
45
V
Closed-circuit voltage gain
VG
Gain from input to output
12
dB
Slew rate
SR
For independent amplifiers. Twice when
measured between outputs *4
0.5
V/
s
Mute on voltage
VMUTE-ON
For each MUTE *3
0.5
V
Mute off voltage
VMUTE-OFF
For each MUTE *3
2
V
H Bridge Block
Output voltage
VO-LOAD
The voltage between VO+ and VO- for each
channel when RL = 8
.*2
6
V
Low-level input voltage
VIN-L
1
High-level input voltage
VIN-H
2
V
Regulator Block
Output voltage
Vreg
IL = 100mA
4.75
5
5.25
V
Output load regulation
VRL
IL = 0 to 200mA
-50
0
10
mV
Supply voltage regulation
VVCC
VCC = 6 to 12V, IL = 100mA
-15
21
60
mV
Notes:1. The total current drain for VCC1 and VCC2 with no load.
2. The voltage across an 8
load. With the output saturated.
3. MUTE: When the MUTE pin is high, the outputs will be on, and when low, off (high impedance)
4. These values are design guarantee values, and are not tested.
Package Dimensions
unit : mm (typ)
3234B
SANYO : HSOP28HC(375mil)
15.2
(6.2)
0.25
0.3
0.1
(2.25)
(0.8)
0.8
2.0
10.5
7.9
(4.9)
0.65
2.7
2.45
max
HEAT
SPREADER
1
14
15
28
-20
0
20
40
60
80
100
0
2.5
2.0
1.5
1.0
0.5
Pd max -- Ta
-30
85
1.04
0.43
0.82
Ambient temperature, Ta --
°C
Allowable
power
dissipation,
Pd
max
-
-W
Independent IC
with specified board
Specified board: 114.3
×76.1×1.6mm3
glass epoxy board.
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