Tai-1 Microelectronics
Preliminary
TMPA402DS
www.taimec.com.tw
/
www.class-d.com.tw
Rev.2.0
November 21, 2005
Copyright
©2005, Tai-1 Microelectronics Corp.
3
TERMINAL FUNCTIONS
TERMINAL
NAME
PIN NO
I/O
DESCRIPTION
AGND
5,10
－
Analog ground
AVDD
8
O
5-V analog power supply
HFRC
7
I
De-pop control
HFVDD
6
O
2.5-V Reference for convenience of single-ended input
INL
4
I
Negative differential input
INR
3
I
Positive differential input
OUTN
13,14
O
Negative output
OUTP
17,18
O
Positive output
PGND
15,16
－
Power ground
PVCC
11,12,19,20
－
Power supply for output MOS (8V to 15V)
VCC
1
－
High-voltage power supply (8V to 15V)
VDD
9
O
5-V Reference output(25-mA )
SD
2
I
Shutdown (Low valid)
ABSOLUTE MAXIMUM RATINGS
Over operating free-air temperature range unless otherwise noted(1)
In normal mode
-0.3V to 18V
V
Supply voltage, PVcc, Vcc
In shutdown mode
-0.3V to 18V
V
Input voltage, SD
-0.3V to Vcc+0.3V
V
Input voltage, INR, INL
-0.3V to 5V
V
Continuous total power dissipation
See package dissipation ratings
Operating free-air temperature, TA
-20 to 85
。C
Operating junction temperature, TJ
-20 to 150
。C
Storage temperature, Tstg
-40 to 150
。C
(1) Stresses beyond those listed under
”absolute maximum ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under
“recommended operating
conditions
“is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
MIN
MAX
UNIT
Supply voltage, VCC
PVCC, VCC
8
15
V
High-level input voltage, VIH
SD
2.0
V
Low-level input voltage, VIL
SD
0.8
V
Operating free-air temperature, TA
-20
85
。C
PACKAGE DISSIPATION RATINGS
PACKGE
DERATING
FACTOR
TA
≤ 25。C
POWER RATING
TA = 70。C
POWER RATING
TA = 85。C
POWER RATING
TSSOP20(FD)
30 mW/。C
3.75W
2.4W
1.95W
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