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SA58637_15 Datasheet, PDF (6/22 Pages) NXP Semiconductors – 2 x 2.2 W BTL audio amplifier | |||
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NXP Semiconductors
SA58637
2 à 2.2 W BTL audio ampliï¬er
Table 4. Control pins MODE and SELECT versus status of output channels â¦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 â 0.5 V.
[2] n.c. = not connected or ï¬oating.
[3] X = donât care.
[4] HVCC = 1.5 V < VSELECT < VCC â 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
â0.3
â0.3
IORM
repetitive peak output current
-
Tstg
storage temperature
non-operating
â55
Tamb
ambient temperature
operating
â40
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 â¦; VMODE = 0 V; measured in test circuit Figure 3; unless otherwise speciï¬ed.
Symbol Parameter
Conditions
Min
Typ Max
Unit
VCC
supply voltage
Iq
quiescent current
Istb
standby current
operating
RL = â â¦
VMODE = VCC
2.2
9
18
V
[1] -
15
22
mA
-
-
10
µA
SA58637_1
Product data sheet
Rev. 01 â 25 February 2008
© NXP B.V. 2008. All rights reserved.
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