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參數(shù)資料
| 型號： | TMPA208DS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2.5W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH VOLUME CONTROL |
| 中文描述： | 2.5W的立體聲D類音頻功率放大器具有音量放大器控制 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 179K |
| 代理商： | TMPA208DS |
Tai-1 Microelectronics
www.taimec.com.tw
/
www.class-d.com.tw
Preliminary
TMPA208DS
Rev.1.0 June 27, 2006
ABSOLUTE MAXIMUM RATINGS
Over operating free-air temperature range unless otherwise noted
(1)
Copyright
2005,Tai-1 Microelectronics Corp.
4
Supply voltage range, V
DD
, PV
DD
Input voltage range, V
I
Continuous total power dissipation
Operating free-air temperature, T
A
Operating junction temperature range, T
J
0.3V to 6V
0V to 5.5V
See Dissipation Rating Table
-20
C
to 85
C
-20
C
to 150
C
。
to 150
C
。
。
。
。
Storage temperature range, T
stg
-65
C
。
(1)Stresses beyond those listed under
“
absolute maximum ratings
”
may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under
“
recommended operating conditions
”
is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DISSIPATION RATINGS TABLE
PACKAGE
TSSOP20(FD)
T
A
≤
25
C
2.18W
。
DERATING FACTOR
21.8mW/
C
T
A
=70
C
1.2W
。
T
A
=85
C
872mW
。
。
RECOMMENDED OPERATING CONDITIONS
MIN
2.5
2
200
TYP
MAX
6
0.8
300
UNIT
V
V
V
KHz
。
Supply voltage, V
DD
High-level input voltage, V
IH
Low-level input voltage, V
IL
PWM frequency
SDNB
SDNB
Operating free-air temperature, T
A
-20
85
C
Operating junction temperature, T
J
-20
125
C
。
ELECTRICAL CHARACTERISTICS
T
A
=25
。
C
, V
DD
=PV
DD
=5V
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
25
-70
MAX
50
UNIT
mV
dB
｜
V
OS
｜
PSSR
Output offset voltage
（
measured differentially
）
V
I
=0V, A
V
=20dB, R
L
=8
Ω
Power supply rejection ratio
V
DD
=PV
DD
=3.5V to 5.5V
V
DD
=AV
DD
=5.5V,
V
I
=5.8V (SDNB)
V
DD
=AV
DD
=5.5V,
V
I
=-0.3V (SDNB)
No load
SDNB=0V
V
DD
=5V, I
O
=500mA,
T
J
=25
C
R
L
=8
Ω
, VOLUME=2.8V
VOLUME=2.8V~0V
│
I
IH
│
High-level input current
30
μ
A
│
I
IL
│
Low-level input current
1
μ
A
I
DD
I
DD
（
SD
）
Supply current in shutdown mode
Supply current
6
50
450
450
18
10
1000
600
600
200
mA
nA
High side
Low side
r
ds
（
on
）
Drain-source on-state resistance
。
m
Ω
Av
Ri
Voltage gain
Input resistance
dB
k
Ω
24
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