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參數(shù)資料
| 型號： | TFA9843J |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2-channel audio amplifier (SE: 1 W to 20 W or BTL: 4 W to 40 W) |
| 中文描述： | 14 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM9 |
| 封裝： | POWER, PLASTIC, SOT-523-1, DIL-BENT-SIL, 9 PIN |
| 文件頁數(shù)： | 7/21頁 |
| 文件大?。?/td> | 142K |
| 代理商： | TFA9843J |
Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
Preliminary data
Rev. 02 — 19 January 2004
7 of 21
9397 750 12587
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
9.
Limiting values
10. Thermal characteristics
11. Static characteristics
[1]
[2]
[3]
[4]
A minimum load (BTL) of 6
is allowed at supply voltages > 22 V.
With a load connected at the outputs the quiescent supply current will increase.
The DC output voltage with respect to ground is approximately 0.5V
CC
.
V
OUT
=
V
OUT1+
V
OUT2
Table 6:
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
V
CC
supply voltage
Limiting values
Conditions
operating
no signal
Min
0.3
0.3
0.3
-
55
40
-
-
Max
+26
+28
V
CC
+ 0.3
4
+150
+85
35
24
Unit
V
V
V
A
°
C
°
C
W
V
V
I
I
ORM
T
stg
T
amb
P
tot
V
CC(sc)
input voltage
repetitive peak output current
storage temperature
ambient temperature
total power dissipation
supply voltage to guarantee short-circuit
protection
non-operating
operating
Table 7:
Symbol
R
th(j-a)
R
th(j-c)
Thermal characteristics
Parameter
thermal resistance from junction to ambient
thermal resistance from junction to case
Conditions
in free air
both channels driven
Value
40
2.0
Unit
K/W
K/W
Table 8:
V
CC
= 18 V; T
amb
= 25
°
C; R
L
= 8
; V
MODE
= V
CC
; V
i
= 0 V; measured in test circuit
Figure 20
; unless otherwise specified.
Symbol
Parameter
Conditions
V
CC
supply voltage
operating
I
q
quiescent supply current
R
L
=
∞
I
stb
standby supply current
V
MODE
= 0
V
O
DC output voltage
V
OUT
differential output voltage offset BTL mode
V
MODE
mode selection input voltage
on mode
mute mode
standby mode
I
MODE
input current on pin MODE
0 < V
MODE
< (V
CC
3.5)
Static characteristics
Min
Typ
18
60
-
9
-
-
-
-
-
Max
26
100
10
-
190
V
CC
V
CC
3.5
0.8
20
Unit
V
mA
μ
A
V
mV
V
V
V
μ
A
[1]
9
[2]
-
-
[3]
-
[4]
-
V
CC
2.0
4.5
0
-
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| TFA9879HN/N1,157 | 功能描述:音頻放大器 ClassD 2.75W 2Channel 1.8V 5.7mA RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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