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TMPA2155DM Datasheet(PDF) 4 Page - Micro Electronics

Part No. TMPA2155DM
Description  2.7-W MONO CLASS-D AUDIO POWER AMPLIFIER
Download  13 Pages
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Maker  MICRO-ELECTRONICS [Micro Electronics]
Homepage  http://www.microelectr.com.hk
Logo MICRO-ELECTRONICS - Micro Electronics

TMPA2155DM Datasheet(HTML) 4 Page - Micro Electronics

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Preliminary
TMPA2155DM
tai'mec
www.taimec.com.tw
/
www.class-d.com.tw
Rev.1.0
August 15, 2007
Copyright
©2005, Tai-1 Microelectronics Corp.
4
OPERATING CHARACTERISTICS
TA=25。C, RL=8Ω speaker (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
UNIT
RL=8
Ω
1.5
W
RL=4
Ω
2.3
W
PO
Output power / Ch
RL=3
Ω
VDD=AVDD=5V.
THD+N=10%,f=1kHz.
2.7
W
VDD=AVDD=5V, PO=0.85W, RL=8Ω, f=1kHz
0.55
VDD=AVDD=5V, PO=1.3W, RL=4Ω, f=1kHz
0.55
THD+N
Total harmonic distortion plus noise
VDD=AVDD=5V, PO=1.5W, RL=3Ω, f=1kHz
0.64
%
SNR
Signal-to-noise ratio
VDD=AVDD=5V, PO=1W, RL=
85
dB
Crosstalk
Crosstalk between outputs
VDD=AVDD=5V, PO=1W RL=8Ω
-60
dB
TERMINAL FUNCTIONS
TERMINAL
NAME
PIN NO
I/O
DESCRIPTION
GND
2
I
Digital ground
IN-
4
I
Negative differential input
IN+
3
I
Positive differential input
SDNB
5
I
Shutdown terminal (active low logic)
VDD
7
I
Digital Power supply
VDDA
6
I
Analog Power supply
VO+
1
O
Positive BTL output
VO-
8
O
Negative BTL output
TYPICAL CHARACTERISTICS
Note 1. Input coupling 1
µF capacitors are used for all measurements.
2. Differential inputs are applied and BTL outputs are measured.
3. Balanced LC filter is used for THD+N measurement and power efficiency measurement.
4. Characteristic frequency of the LC filter is set 41KHz unless otherwise specified.
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