© 2009 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FSA2000

• Rev. 1.0.0

8

AC Electrical Characteristics

6dBV and AC coupled with 0.1µF, audio outputs DC coupled into 32Ω loads

referenced to 1kHz, unless otherwise noted.

Symbol

Parameter

Conditions

Unit

Min.

Typ.

Max.

Audio Amplifier Path

Turn-On Time /SHDN to Output

3.0 to 4.5

1

ms

Turn-Off Time /SHDN to Output

3.0 to 4.5

100

μs

MUTE Turn-On Time

3.0 to 4.5

1

μs

MUTE Turn-Off Time

3.0 to 4.5

1

μs

Output Power

(5)

2.7

Ω, 1KHz

25

3.3

35

4.5

40

Output Offset Voltage

Inputs Grounded

5

mV

Amplifier Gain

6Ω

0

dB

Gain Matching of L & R Channels

(5)

Input = -26dBV, 20Hz to 20kHz

0.5

dB

Frequency Response

(5)

20Hz to 20kHz referenced to 1kHz

-1.5

1.5

dB

THD+N

Distortion

(5)

Ω

0.1

%

SNR

Signal to Noise Ratio

(5)

A Weighted

-90

dB

Crosstalk between L & R Channel

(5)

Input=-26bBV

-60

dB

USB Switch Path

USB Switch Propagation Delay

(5)

4.0 to 5.5

= 50Ω; C

0.25

ns

4.0 to 5.5

= 32Ω;

5.5

μs

4.0 to 5.5

= 32Ω;

2

μs

BW

-3db Bandwidth

– USB

4.0 to 5.5

=50Ω, C

720

MHz

Power Supply

Power-Up Stabilization Time

V+, V- within 90% of Final Value

1

ms

Power Supply Noise Rejection at

Common Output

(5)

217Hz 12% Duty Cycle Square

Wideband Noise Measurement

within 20Hz

– 20kHz, A Weighted

-95

dB

Note:

5.

Guaranteed by characterization; not production tested.