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STA543SAのメーカーはST Microelectronicsです、この部品の機能は「Triple AMplifier」です。 |
部品番号 | STA543SA |
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部品説明 | Triple AMplifier | ||
メーカ | ST Microelectronics | ||
ロゴ | |||
このページの下部にプレビューとSTA543SAダウンロード(pdfファイル)リンクがあります。 Total 23 pages
www.DataSheet4U.com
STA543SA
24W x 1 + 7W x 2
Triple Amplifier with DC Volume Control
PRELIMINARY DATA
Features
■ OUTPUT POWER CAPABILITY
24W x 1 + 7W x 2 @ VCC = 15V, RL = 4Ω,
THD = 10%
■ LINEAR DC VOLUME CONTROL FOR EACH
SINGLE CHANNEL
Clipwatt 19
■ MINIMUM EXTERNAL COMPONENTS
COUNT:
– NO BOOTSTRAP CAPACITORS
– NO BOUCHEROT CELLS
■ OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
– INTERNALLY FIXED GAIN (20dB SE,
■ VERY INDUCTIVE LOADS
26dB BTL)
■ FORTUITOUS OPEN GND
■ ST-BY FUNCTION (CMOS COMPATIBLE)
■ ESD
■ NO AUDIBLE POP DURING ST-BY
OPERATIONS
Description
■ DIAGNOSTIC FACILITIES
– CLIP DETECTOR
DataSheet4TUh.ecomdevice is a class AB Audio amplifier
assembled in the Clipwatt19 package; it is
– OUT TO GND SHORT
designed for high quality sound application.
– OUT TO VS SHORT
– SOFT SHORT AT TURN-ON
The STA543SA is a 3-channels audio amplifier
with DC volume control dedicated for each single
– THERMAL SHUTDOWN PROXIMITY
channel. It is a device suitable for 2.1 solution
Protections
thank to its output configuration with two single
ended channels and one bridge. The Short Circuit
■ OUPUT AC/DC SHORT CIRCUIT
■ SOFT SHORT AT TURN-ON
Protection, the Thermal Protection and the
Diagnostics Functions are integrated in the
device.
Order codes
Part number
STA543SA
Temp range, °C
0 to 70
Package
Clipwatt 19
Packing
Tube
DataShee
July 2005
CD00061065
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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Rev 2
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www.st.com
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STA543SA
6 Thermal Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.1 Example (A): 2 channels Single Ended + 1Ch (BTL) . . . . . . . . . . . . . . . . . . 20
7 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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2 Electrical specifications
2 Electrical specifications
STA543SA
2.1
Absolute maximum ratings
Table 2. Absolute maximum ratings
Symbol
Vop
Vs
Ptot
Tstg, Tj
Vctr
Top
Parameter
Operating Supply Voltage
DC Supply Voltage
Total Power Dissipation (Tcase = 70°C)
Storage and Junction Temperature
Volume Control DC Voltage
Operating Temperature
Value
18
20
35
-40 to150
7
0 to 70
Unit
V
V
W
°C
V
°C
et4U.com
2.2 Thermal data
Table 3. Thermal data
Symbol
Rth j-case
Rth j-amb
Parameter
Thermal Resistance Junction to case
Thermal Resistance Junction to ambient
Value
Max. 2
Max. 45
Unit
°C/W
°C/W
DataSheet4U.com
2.3 Electrical characteristics
Table 4. Electrical characteristics
(Refer to the test circuit, VS = 15V; RL = 4Ω; f = 1kHz; Tamb = 25°C unless otherwise specified).
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
Vs Supply Voltage Range
Id Total Quiescent Drain Current
Vos Output Offset Voltage
Po Output Power
THD Total Harmonic Distortion
CT Cross Talk
Rin Input Impedance
Single Ended
Bridge
THD = 10%: RL = 4Ω
Bridge
Single Ended
RL = 4Ω, Single Ended,
Po =0.1 to 4W
Bridge, Po =0.1 to10W
f = 1 kHz Single Ended
f = 10 kHz Single Ended
f = 1 kHz Bridge
f = 10 kHz Bridge
Single Ended and Bridge
8
-250
-150
18 V
150 mA
250
mV
150
24 W
7W
0.4
0.4
70
60
55
60
20 30
%
%
dB
dB
dB
dB
kΩ
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ページ | 合計 : 23 ページ | ||
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部品番号 | 部品説明 | メーカ |
STA543SA | Triple AMplifier | ST Microelectronics |