STA550

6/16

8

Ω, external components at the nominal value f = 1KHz, Tamb = 25°C unless otherwise specified

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

PREAMPLIFIER AND COMPRESSOR

10

11

12

Vpeak

Audio input current

0.8

mA

Voltage at Attack_Release pin

Attenuation = 0dB

Attenuation = 6dB

Attenuation = 26dB

0.35

6

0

0.5

9

0.65

12

V

V

V

Th

Input voltage range for the

compression

-5

-1

V

Input impedance of Threshold pin

100

K

Ω

Voffset

Output Offset at Out_pre pin with:

-10

-250

-450

10

250

450

mV

mV

mV

THD

Distortion at Out_pre:

0.01

5

5

%

%

%

EN

Noise at Out_pre pin :

50

60

µV

µV

µV

Attack time current at pin

Attack_release

1.5

mA

TRACKING PARAMETERS

Tracking reference voltage gain

13

14

15

V

Tracking ref. output voltage

0

20

V

Current capability

5

6

7

mA

M

Ω

OUTPUT BRIDGE

Half Output bridge gain

5.5

6

6.5

dB

Output bridge differential gain

11

12

13

dB

Output bridges gain mismatch

-1

1

dB

Continuous Output Power

THD = 0.5%

THD = 10%

50

64

55

70

W

W

64

70

W

THD

Total harmonic distortion of the

output bridge

Po = 5W

0.01

%

f = 20Hz to 20KHz; Po = 30W

0.1

%

Output bridge D.C. offset

50

mV