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TDA1400 Fiches technique(PDF) 3 Page - Tripath Technology Inc.

No de pièce TDA1400
Description  MONO CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSINGTM TECHNOLOGY
Download  25 Pages
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Fabricant  TRIPATH [Tripath Technology Inc.]
Site Internet  http://www.etelos.com/
Logo TRIPATH - Tripath Technology Inc.

TDA1400 Fiches technique(HTML) 3 Page - Tripath Technology Inc.

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T r ip a t h T e ch n o lo gy, In c . - P r e l i m in a r y In f o r m a t i o n
3
TDA140 0 – Rev . 0 . 65 /KLi /02 . 06
Electrical Characteristics (Note 6)
TA = 25 °C. See Application/Test Circuit on page 7. Unless otherwise noted, the supply voltages are
V5=5V, V10=10V, and VPP = 60V.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNITS
I5Q
Quiescent Current
(Mute = 0V)
50
mA
I10Q
Quiescent Current
(Mute = 0V)
No Load, FETs: FQP19N10,
FQP22P10, RBBM = 40.2kΩ
100
mA
IVPPQ
Quiescent Current
(Mute = 0V)
No Load, FETs: FQP19N10,
FQP22P10, RBBM = 40.2kΩ
30
mA
I5MUTE
Mute Supply Current
(Mute = 5V)
50
mA
I10MUTE
Mute Supply Current
(Mute = 5V)
0
mA
IVPPMUTE
Mute Supply Current
(Mute = 5V)
0
mA
VIH
High-level input voltage (MUTE)
3.5
V
VIL
Low-level input voltage (MUTE)
1.0
V
VOH
High-level output voltage (HMUTE) IOH = 3mA
4.0
V
VOL
Low-level output voltage (HMUTE) IOL = 3mA
0.5
V
VTOC
Over Current Sense Voltage
Threshold
XXV Common Mode Voltage
XXV Common Mode Voltage
TBD
TBD
0.56
0.56
TBD
TBD
V
IVPPSENSE
VPPSENSE Threshold Currents
Over-voltage turn on (muted)
Over-voltage turn off (mute off)
Under-voltage turn off (mute off)
Under-voltage turn on (muted)
TBD
TBD
138
135
55
52
TBD
TBD
µA
µA
µA
µA
VVPPSENSE Threshold Voltages with
RVPP1 = RVPP1 = 562KΩ
(Notes 7, 8)
Over-voltage turn on (muted)
Over-voltage turn off (mute off)
Under-voltage turn off (mute off)
Under-voltage turn on (muted)
TBD
TBD
77.6
75.9
30.9
29.2
TBD
TBD
V
V
V
V
IVNNSENSE VNNSENSE Threshold Currents
Over-voltage turn on (muted)
Over-voltage turn off (mute off)
Under-voltage turn off (mute off)
Under-voltage turn on (muted)
TBD
TBD
138
135
51
48
TBD
TBD
µA
µA
µA
µA
VVNNSENSE Threshold Voltages with
RVNN1 = 562KΩ
RVNN2 = 1.69MΩ
(Note 7, 8)
Over-voltage turn on (muted)
Over-voltage turn off (mute off)
Under-voltage turn off (mute off)
Under-voltage turn on (muted)
TBD
TBD
77.6
75.9
28.7
27.0
TBD
TBD
V
V
V
V
Note 6: Minimum and maximum limits are guaranteed but may not be 100% tested.
Note 7: These supply voltages are calculated using the IVPPSENSE and IVNNSENSE values shown in the Electrical
Characteristics table. The typical voltage values shown are calculated using a RVPP and RVNN values without
any tolerance variation. The minimum and maximum voltage limits shown include either a +1% or –1% (+1%
for Over-voltage turn on and Under-voltage turn off, -1% for Over-voltage turn off and Under-voltage turn on)
variation of RVPP or RVNN off the nominal 562kohm and 1.69Mohm values. These voltage specifications are
examples to show both typical and worst case voltage ranges for the given RVPP and RVNN resistor values.
Please refer to the Application Information section for a more detailed description of how to calculate the over
and under voltage trip voltages for a given resistor value.
Note 8: The fact that the over-voltage specifications exceed the absolute maximum of +/-70V for the TDA1400 does
not imply that the part will work properly at these elevated supply voltages. It also does not imply that the
TDA1400 is tested or guaranteed at these supply voltages. The supply voltages are simply a calculation
based on the process spread of the IVPPSENSE and IVNNSENSE currents (see note 7). .


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