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TA0103A 반도체 회로 부품 판매점

Digital Audio Amplifier Driver using Digital Power Processing



Tripath 로고
Tripath
TA0103A 데이터시트, 핀배열, 회로
Tripath Technology, Inc. - Technical Information
TA 0 1 0 3 A
Stereo 250W (4) Class-T Digital Audio Amplifier Driver using
Digital Power Processing (DPPTM) Technology
Technical Information
Revision 3.3 - June 2000
GENERAL DESCRIPTION
The TA0103A is a 250W continuous average (4), two channel Amplifier Driver
Module which uses Tripath’s proprietary Digital Power Processing (DPPTM)
technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the
power efficiency of Class-D amplifiers.
Applications
Audio/Video
Amplifiers/Receivers
Pro-audio Amplifiers
Automobile Power Amplifiers
Subwoofer Amplifiers
Home/PC Speaker Systems
Benefits
Reduced system cost with smaller/less
expensive power supply and heat sink
Signal fidelity equal to high quality Class-
AB amplifiers
http://www.DataSheet4U.com/
High dynamic range compatible with
digital media such as CD and DVD
Features
Class-T architecture
Proprietary Digital Power Processing
technology
Supports wide range of output power
levels
“Audiophile” Sound Quality
0.04% THD+N @ 55W, 8
0.03% IHF-IM @ 36W, 8
140W @ 8, 0.1% THD+N, VS = +54V
250W @ 4, 0.1% THD+N, VS = +54V
High Power
150W @ 8, 1% THD+N, VS = +54V
300W @ 4, 1% THD+N, VS = +54V
High Efficiency
92% @ 155W @ 8, VS = +45V
90% @ 275W @ 4, VS = +45V
Dynamic Range = 106 dB
Requires only N-Channel MOSFET output
transistors
High power supply rejection ratio
Mute input
Outputs short-circuit protected
Over- and under-voltage protection
Bridgeable, single-ended outputs
38-pin quad package
Supports 100kHz BW of Super Audio CD and
DVD-Audio (refer to Application Note for
specifics)
TYPICAL PERFORMANCE
10
20Hz - 22kHz BW
5
f = 1kHz
BBM = 65nS
Vs = +/-54V
Av = 20.75
2 ST STW38NB20 MOSFET
1
0.5
0.2
0.1
0.05
0.02
0.01
1
2
THD+N versus Output Power
RL= 8
RL= 4
5 10 20
50 100 200
Output Power (W)
1 TA0103 – Rev 3.3/06.00


TA0103A 데이터시트, 핀배열, 회로
Tripath Technology, Inc. - Technical Information
Absolute Maximum Ratings
SYMBOL
PARAMETER
Vs Supply Voltage (Vspos & Vsneg)
V5 Positive 5 V Bias Supply
VN12
Reference Voltage: Nominal +12V referenced to Vsneg
TSTORE
TA
Storage Temperature Range
Operating Free-air Temperature Range
Value
+/-85
6
18
-40 to 150
-20 to +80
UNITS
V
V
V
ºC
ºC
Notes:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
Damage will occur to the device if VN12 is not supplied or falls below the recommended
operating voltage when VS is within its recommended operating range.
Operating Conditions
SYMBOL
PARAMETER
Vs Supply Voltage (Vspos & Vsneg)
V5 Positive 5 V Bias Supply
VN12
Reference Voltage: Nominal +12V referenced to Vsneg
MIN.
+/- 35
4.5
10.8
TYP.
5
12
MAX.
+/- 60
5.5
13.2
UNITS
V
V
V
Note: Recommended Operating Conditions indicate conditions for which the device is functional. See Electrical
Characteristics for guaranteed specific performance limits.
Electrical Characteristics
TA = 25°C. See Notes 1 & 2 for Operating Conditions and Test/Application Circuit Setup.
SYMBOL
PARAMETER
MIN. TYP. MAX. UNITS
Iq
IS
I5
IVN12
Vu
Quiescent Current
(no load, BBM0=BBM1=0)
+45V
-45V
+5V
VN12
Source Current @ P = 275W, R = 4V = +45VOUT
L SPOShttp://www.DataSheet4U.com/
@ 10% THD+N
VSNEG = -45V
Source Current for 5V Bias Supply @ POUT = 275W, RL = 4
Source Current for VN12 Supply @ POUT = 275W, RL = 4
Under Voltage (Vspos & Vsneg)
30 80
36 60
43 65
210 250
7 7.8
7 7.8
50 60
80 100
+/-35
mA
mA
mA
mA
A
A
mA
mA
V
Vo Over Voltage (Vspos & Vsneg)
+/-60
V
VIH
VIL
IDDMUTE
VOH
VOL
VTOC
AV
Voffset
High-level Input Voltage (MUTE)
Low-level Input Voltage (MUTE)
Mute Supply Current
+45V
(no load, BBM0=BBM1=0)
-45V
+5V
VN12
High-level Output Voltage (HMUTE & OVERLOADB)
Low-level Output Voltage (HMUTE & OVERLOADB)
Over Current Sense Voltage Threshold
Gain Ratio VOUT/VIN, RIN = 0
Offset Voltage, no load, MUTE = Logic low (before nulling)
3.5
3.5
0.67
0.375
3.7
17
0.5
0.75
108
300
1
2
5
25
2
1
0.82
500
V
V
mA
mA
mA
mA
V
V
V
V/V
mV
Minimum and maximum limits are guaranteed but may not be 100% tested.
2 TA0103 – Rev 3.3/06.00




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TA0103A amplifier

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Digital Audio Amplifier Driver using Digital Power Processing - Tripath