SA58637BS Просмотр технического описания (PDF) - NXP Semiconductors.
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SA58637BS Datasheet PDF : 22 Pages
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NXP Semiconductors
SA58637
2 × 2.2 W BTL audio amplifier
Table 4. Control pins MODE and SELECT versus status of output channels …continued
Voltage levels at control pins at VCC = 5 V; for other voltage levels see Figure 6 and Figure 7.
Control pin
Status of output channel
Typical Iq (mA)
MODE
SELECT
Left channel
Right channel
HVCC[4]/LOW[5] HIGH[1]
mute/on
standby
8
HVCC[4]/LOW[5] HVCC[4]/n.c.[2]
mute/on
mute/on
15
HVCC[4]/LOW[5] LOW[5]
standby
mute/on
8
[1] HIGH = VSELECT > VCC − 0.5 V.
[2] n.c. = not connected or floating.
[3] X = don’t care.
[4] HVCC = 1.5 V < VSELECT < VCC − 1.5 V.
[5] LOW = VSELECT < 0.5 V.
9. Limiting values
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
VCC
supply voltage
VI
input voltage
operating
−0.3
−0.3
IORM
repetitive peak output current
-
Tstg
storage temperature
non-operating
−55
Tamb
ambient temperature
operating
−40
VCC(sc) supply voltage (short circuit)
-
Ptot
total power dissipation
-
Max
Unit
+18
V
VCC + 0.3 V
1
A
+150
°C
+85
°C
10
V
2.2
W
10. Thermal characteristics
Table 6.
Symbol
Rth(j-a)
Thermal characteristics
Parameter
thermal resistance from
junction to ambient
Rth(j-sp)
thermal resistance from
junction to solder point
Conditions
in free air
with heat spreader
Typ
80
[1] 22
3
Unit
K/W
K/W
K/W
[1] Thermal resistance is 22 K/W with DAP soldered to 64.5 mm2 (10 in2), 28.3 g (1 oz) copper heat spreader.
11. Static characteristics
Table 7. Static characteristics
VCC = 6 V; Tamb = 25 °C; RL = 8 Ω; VMODE = 0 V; measured in test circuit Figure 3; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ Max
Unit
VCC
supply voltage
Iq
quiescent current
Istb
standby current
operating
RL = ∞ Ω
VMODE = VCC
2.2
9
18
V
[1] -
15
22
mA
-
-
10
µA
SA58637_1
Product data sheet
Rev. 01 — 25 February 2008
© NXP B.V. 2008. All rights reserved.
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