Preliminary

TMPA2155DM

www.taimec.com.tw

/

www.class-d.com.tw

Rev.1.0

August 15, 2007

Copyright

©2005, Tai-1 Microelectronics Corp.

4

OPERATING CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN TYP MAX

UNIT

Ω

1.5

W

Ω

2.3

W

Output power / Ch

Ω

THD+N=10%,f=1kHz.

2.7

W

0.55

0.55

THD+N

Total harmonic distortion plus noise

0.64

%

SNR

Signal-to-noise ratio

85

dB

Crosstalk

Crosstalk between outputs

-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)

7

I

Digital Power supply

6

I

Analog Power supply

1

O

Positive BTL output

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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