TFA9843J Просмотр технического описания (PDF) - NXP Semiconductors.
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TFA9843J Datasheet PDF : 21 Pages
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Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
9. Limiting values
Table 6: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
VCC
supply voltage
operating
no signal
VI
IORM
Tstg
Tamb
Ptot
VCC(sc)
input voltage
repetitive peak output current
storage temperature
ambient temperature
total power dissipation
supply voltage to guarantee short-circuit
protection
non-operating
operating
10. Thermal characteristics
Min
Max
Unit
−0.3
+26
V
−0.3
+28
V
−0.3
VCC + 0.3 V
-
4
A
−55
+150
°C
−40
+85
°C
-
35
W
-
24
V
Table 7:
Symbol
Rth(j-a)
Rth(j-c)
Thermal characteristics
Parameter
thermal resistance from junction to ambient
thermal resistance from junction to case
11. Static characteristics
Conditions
in free air
both channels driven
Value
Unit
40
K/W
2.0
K/W
Table 8: Static characteristics
VCC = 18 V; Tamb = 25 °C; RL = 8 Ω; VMODE = VCC; Vi = 0 V; measured in test circuit Figure 20; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
VCC
supply voltage
operating
Iq
quiescent supply current
RL = ∞
[1] 9
[2] -
18
26
V
60
100
mA
Istb
VO
∆VOUT
standby supply current
VMODE = 0
DC output voltage
differential output voltage offset BTL mode
-
-
10
µA
[3] -
9
-
V
[4] -
-
190
mV
VMODE
mode selection input voltage on mode
VCC − 2.0 -
VCC
V
mute mode
4.5
-
VCC − 3.5 V
standby mode
0
-
0.8
V
IMODE
input current on pin MODE
0 < VMODE < (VCC − 3.5)
-
-
20
µA
[1] A minimum load (BTL) of 6 Ω is allowed at supply voltages > 22 V.
[2] With a load connected at the outputs the quiescent supply current will increase.
[3] The DC output voltage with respect to ground is approximately 0.5VCC.
[4] ∆VOUT = VOUT1+ − VOUT2−
9397 750 12587
Preliminary data
Rev. 02 — 19 January 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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