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Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

d

Harmonic distorsion

f = 1KHz

Ω

Ω

Ω

0.1

0.1

0.1

%

Input sensivity

Ω

Ω

Ω

Ω

Ω

37

52

64

90

110

mV

Input saturation voltage (rms)

0.8

1.3

1.8

2.4

V

Input resistence (pin 8)

f = 1 KHz

60

100

K

Ω

Drain current

f = 1 KHz

Ω

Ω

Ω

Ω

570

730

500

310

mA

η

Efficiency

f = 1 KHz

Ω

72

%

BW

Small signal bandwitdth (-3 dB)

40 to 40 000

Hz

Voltage gain (open loop)

f = 1 KHz

75

dB

Voltage gain (closed loop)

f = 1 KHz

Ω

39.5

40

40.5

dB

Total input noise

(

°)

Ω

Ω

Ω

1.2

1.3

1.5

4.0

µV

(

°°)

Ω

Ω

Ω

2.0

2.0

2.2

6.0

µV

S/N

Signal to noise ratio

Ω

Ω

(

°)

92

94

dB

Ω

(

°°)

88

90

dB

SVR

Supply voltage rejection

Ω

Ω

40

50

dB

Termal shut-down junction

temperature

(*)

145

ÉC

ELECTRICAL CHARACTERISTICS (continued)

Note :

(

°)

Weighting filter = curve A.

(

° °) Filter with noise bandwidth: 22 Hz to 22 KHz.

TDA1908