Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

h

Efficiency

f = 1 KHz

Ω

Ω

62

65

%

BW

Small signal bandwidth

Ω

10 to 120,000

Hz

BW

Power bandwidth

Ω

d

≤ 5%

40 to 15,000

Hz

Voltage gain (open loop)

f = 1 KHz

75

dB

Voltage gain (closed loop)

f = 1 KHz

Ω

Po = 1W

29.5

30

30.5

dB

Total input noise

Ω

Ω

(

°)

Ω

1.2

1.3

1.5

3.0

3.2

4.0

µV

Ω

Ω

(

°°)

Ω

2.0

2.0

2.2

5.0

5.2

6.0

µV

S/N

Signal to noise ratio

Ω

Ω

(

°)97

103

105

dB

Ω

(

°°)93

100

100

dB

SVR

Supply voltage rejection

RL = 4

Ω

Rg = 10 K

Ω

50

60

dB

Thermal sjut-down case (*)

temperature

110

125

°C

MUTING FUNCTION (Refer to Muting circuit)

Muting-off threshold voltage

(pin 11)

1.9

4.7

V

Muting-on threshold voltage

(pin 11)

0

1.3

V

Input resistance (pin 1)

Muting off

80

200

K

Ω

Muting on

10

30

Ω

Input resistance (pin 11)

150

K

Ω

Muting attenuation

Ω

50

60

dB

ELECTRICAL CHARACTERISTICS (continued)

Note :

(

°) Weighting filter = curve A.

(

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

(*)

See fig. 29 and fig. 30.

5/14

TDA1910