TA0103A Datasheet, PDF (2/18 Pages) Tripath Technology Inc. – Stereo 250W (4Ω) Class-T Digital Audio Amplifier Driver using Digital Power Processing (DPPTM) Technology

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
T_STORE
T_A
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 V_S 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
T_A = 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 @ POUT = 275W, RL = 4Ω VSPOS = +45V
@ 10% THD+N
VSNEG = -45V
Source Current for 5V Bias Supply @ POUT = 275W, RL = 4Ω
Source Current for VN12 Supply @ POUT = 275W, RL = 4Ω
Under Voltage (Vspos & Vsneg)
30
80
mA
36
60
mA
43
65
mA
210 250
mA
7
7.8
A
7
7.8
A
50
60
mA
80
100
mA
+/-35
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 = 0Ω
Offset Voltage, no load, MUTE = Logic low (before nulling)
3.5
V
1
V
0.375 2
mA
3.7
5
mA
17
25
mA
0.5
2
mA
3.5
V
1
V
0.67 0.75 0.82
V
108
V/V
300 500
mV
Minimum and maximum limits are guaranteed but may not be 100% tested.
2
TA0103 – Rev 3.3/06.00