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参数资料
| 型号： | TDA8942P/N1,112 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP16 |
| 封装： | 0.300 INCH, PLASTIC, SOT-38-1, MO-001, DIP-16 |
| 文件页数： | 21/22页 |
| 文件大小： | 394K |
| 代理商： | TDA8942P/N1,112 |
Philips Semiconductors
TDA8942P
2 x 1.5 W (3 W music power) stereo BTL audio amplier
Product data
Rev. 03 — 02 September 2003
8 of 22
9397 750 11707
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
9.
Limiting values
10. Thermal characteristics
11. Static characteristics
[1]
With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the differential
output voltage offset
(V
OUT) divided by the load resistance (RL).
[2]
The DC output voltage with respect to ground is approximately 0.5VCC.
[3]
V
OUT = VOUT+ VOUT
Table 5:
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
no signal
0.3
+25
V
operating
0.3
+18
V
VI
input voltage
0.3
VCC + 0.3
V
IORM
repetitive peak output current
-
2
A
Tstg
storage temperature
non-operating
55
+150
°C
Tamb
ambient temperature
40
+85
°C
Ptot
total power dissipation
-
2.2
W
VCC(sc)
supply voltage to guarantee
short-circuit protection
-12
V
Table 6:
Thermal characteristics
Symbol
Parameter
Conditions
Value
Unit
Rth(j-a)
thermal resistance from junction to ambient
in free air
57
K/W
Table 7:
Static characteristics
VCC =9V; Tamb =25 °C; RL =8 ; VMODE =0V; Vi = 0 V; measured in test circuit Figure 14; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VCC
supply voltage
operating
6
9
18
V
Iq
quiescent supply current
RL = ∞
[1] -22
32
mA
Istb
standby supply current
VMODE =VCC
--
10
A
VO
DC output voltage
[2] -
4.5
-
V
VOUT
differential output voltage offset
[3] -
-
200
mV
VMODE
mode selection input voltage
operating mode
0
-
0.5
V
mute mode
3
-
VCC 1.5
V
standby mode
VCC 0.5
-
VCC
V
IMODE
mode selection input current
0 < VMODE <VCC
--
20
A
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