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TMPA2155DM 数据表(PDF) 3 Page - Micro Electronics

部件名 TMPA2155DM
功能描述  2.7-W MONO CLASS-D AUDIO POWER AMPLIFIER
PDF  13 Pages
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制造商  MICRO-ELECTRONICS [Micro Electronics]
网页  http://www.microelectr.com.hk
标志 MICRO-ELECTRONICS - Micro Electronics

TMPA2155DM 数据表(HTML) 3 Page - Micro Electronics

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Preliminary
TMPA2155DM
tai'mec
www.taimec.com.tw / www.class-d.com.tw
Rev.1.0
December 24, 2007
Copyright ©2005, Tai-1 Microelectronics Corp.
3
kohms
15
Ri
kohms
320
Gain
+
=
RECOMMENDED OPERATING CONDITONS
MIN
NOM
MAX
UNIT
Supply voltage, VDD
2.5
6
V
High-level input voltage, VIH
SDNB
2
VDD
V
Low-level input voltage, VIL
SDNB
0
0.8
V
Operating free-air temperature, TA
-20
85
。C
PACKAGE DISSIPATION RATINGS
PACKAGE
DERATING
FACTOR
TA
≤ 25。C
POWER RATING
TA = 70。C
POWER RATING
TA = 85。C
POWER RATING
SOP8
6.39mW/。C
0.799W
0.511W
0.415W
ELECTRICAL CHARACTERISTICS
TA=25。C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
│
VOS│
Output offset voltage (measured
differentially)
VI=0V,AV=2, VDD=VDDA=2.5V to 5.5V
25
mV
PSRR
Power supply rejection ratio
VDD=VDDA=2.5V to 5.5V
-75
-55
dB
CMRR
Common mode rejection ratio
VDD=VDDA=2.5V to 5.5V,
VIC=1Vpp, RL=8Ω
-55
-50
dB
│
IIH│
High-level input current
VDD=VDDA=5.5V, VI=5.8V (SDNB)
40
µA
│
IIL│
Low-level input current
VDD=VDDA=5.5V, VI=-0.3V (SDNB)
1
µA
IQ
Quiescent current
VDD=VDDA=5V, no load
2
3
mA
IQ (SD)
Shutdown current
V(SDNB)=0.8V,
VDD=VDDA=2.5V to 5.5V
0.2
0.5
µA
rDS(on) Static drain-source on-state resistance
VDD=VDDA=5.5V
790
mΩ
f(sw)
Switching frequency
VDD=VDDA=2.5V to 5.5V
200
250
300
kHz
*Av
BTL Gain
VDD=VDDA=2.5V to 5.5V, RL=8Ω
17
21
25
V/V
RSDNB
Resistance from shutdown to GND
V(SDNB)=5V
200
kΩ
ZI
Input impedance
IN+, IN-
12
15
18
kΩ
*The gain of the amplifier is determined by, for VDD=VDDA =2.5V to 5.5V
where Ri is the external serial resistance at the input pin.



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