Tripath Technology, Inc. – Preliminary Technical Information
Electrical Characteristics
(Note 6)
T
A
= 25
°C.
Unless otherwise noted, the supply voltage is VPP=14.4V. See Application/Test Circuit.
SYMBOL
I
STBY
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
OH
V
OL
V
IH
V
IL
I
AM
PARAMETER
Stand-By Current
Stand-By On Threshold Voltage
Stand-By Off Threshold Voltage
Mute-On Threshold Voltage
Mute-Off Threshold Voltage
Yn/YnB Low Threshold Voltage
Yn/YnB High Threshold Voltage
Fault Reporting Logic Output High Voltage Open Drain Output
Fault Reporting Logic Output Low Voltage
AM Mode On Threshold Voltage
AM Mode Off Threshold Voltage
AM Mode Pin Input Current
R
FAULT
= 51KΩ
2.3
1
1
2.3
3.5
1
Conditions
V
SLEEPB
< 0.15V
SLEEPB Low (amp off)
SLEEPB High (amp on)
MUTE Low
MUTE High
2.3
0.6
2.3
1
MIN.
TYP.
100
MAX.
200
0.6
UNITS
µA
V
V
V
V
V
V
V
V
V
V
µA
Note 6: Minimum and maximum limits are guaranteed but may not be 100% tested.
Performance Characteristics
(Note 6)
T
A
= 25
°C.
Unless otherwise noted, R
L
= 4Ω. Measurement Bandwidth = 20kHz. All specifications
shown are applicable only when the TPS4100 is used in conjunction with the TCD6001 Class-T
Controller. See Application/Test Circuit of TCD6001 data sheet for additional information.
SYMBOL
P
OUT
PARAMETER
Output Power
(Continuous power/ channel)
CONDITIONS
VPP=25V saturated sq. wave
VPP=25V THD+N=10%
VPP=25V THD+N=1%
VPP=20V saturated sq. wave
VPP=20V THD+N=10%
VPP=20V THD+N=1%
VPP=14.4V sat. sq. wave, R
L
= 2
Ω
VPP=14.4V THD+N=10%, R
L
= 2
Ω
VPP=14.4V THD+N=1%, R
L
= 2
Ω
VPP=14.4V saturated sq. wave
VPP=14.4V THD+N=10%
VPP=14.4V THD+N=1%
VPP=25V, 4 x 100W sat sq wave
MIN.
95
65
TYP.
112
80
65
74
51
40
63
42
33
39
26
21
88
MAX.
UNITS
W
W
W
W
W
W
W
W
W
W
W
W
%
35
η
Power Efficiency
84
AM Mode
(Note 6)
T
A
= 25
°C.
Unless otherwise noted, the supply voltage is VPP=14.4V, R
L
= 4Ω. Measurement
Bandwidth = 20kHz. See Application/Test Circuit.
.
SYMBOL
I
OCD
Pout
PARAMETER
Over-current detect
Output Power (Note 7)
VPP=16V, THD+N=10%
VPP=14.4V, THD+N=10%
CONDITIONS
MIN.
5.5
13
20
16
TYP.
MAX.
UNITS
A
W
W
Note 7: The TPS4100 heat sinking in AM Mode must be increased (as compared to Class-T mode) to sustain the
typical output numbers. This is due to the lower efficiency of Class B output stage operation.
3
TPS4100 – KL/Rev. 2.5/02.05
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
