°C unless otherwise specified refer to test cir-

cuit)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply Voltage

3

12

V

Quiescent Current

4.5

8

mA

Input Noise

Ω

BW = 22Hz to 22kHz

1.2

µV

Input Resistance

30

50

70

K

Ω

Open Loop Gain

65

78

dB

Output Voltage

THD < 1%

ALC OFF

ALC ON

1.2

0.7

1.8

0.9

1.1

THD

Total Harmonic Distortion

0.1

0.3

0.5

1

%

%

ALC Range

47

dB

CB

Channel Balance

ALC ON

0

2

dB

SVR

Supply Voltage Rejection

µF

Ω

ALC = Off

50

dB

CS

Cross-talk

ALC OFF

70

dB

Pin 3

Turn Off Threshold

µA

0.8

1.3

V

Pin 3

Turn On Threshold

1.7

2.25

V

Pin 3

Turn On Saturation

Ω

0.1

0.2

V

Figure 3: Drain Current vs. Supply Voltage

Figure 4: Recording Closed Loop Gain vs.

Frequency

TDA7284

5/14