Ω, all controls flat (G = 0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz

unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

SUPPLY

Supply Voltage

7

9

10.2

V

Supply Current

10

18

26

mA

SVR

Ripple Rejection

60

80

dB

INPUT STAGE

Input Resistance

35

50

65

K

Ω

Clipping Level

THD = 0.3%

2

2.5

Vrms

Control Range

31.5

dB

Min. Attenuation

-1

0

1

dB

Max. Attenuation

31

31.5

32

dB

Step Resolution

0.5

1

dB

DC Steps

adjacent att. step

-3

0

3

mV

Voice Canceler Output 1

56

7

dB

Voice Canceler Output 2

0dB attenuation

-1

0

1

dB

Voice Canceler Output 3

0dB attenuation

56

7

dB

Low Pass Filter Resistance

22.4

32

41.6

K

Ω

Input Impedance

70

100

130

K

Ω

BASS CONTROL

Gb

Control Range

Max. Boost/cut

+11.5

+14.0

+16.0

dB

Step Resolution

1

2

3

dB

Internal Feedback Resistance

32

44

56

K

Ω

MIDDLE CONTROL

Gm

Control Range

Max. Boost/cut

+11.5

+14.0

+16.0

dB

Step Resolution

1

2

3

dB

Internal Feedback Resistance

17.5

25

32.5

K

Ω

TREBLE CONTROL

Gt

Control Range

Max. Boost/cut

+13.0

+14.0

+15.0

dB

Step Resolution

1

2

3

dB

EFFECT CONTROL

Control Range

- 21

- 6

dB

Step Resolution

0.5

1

1.5

dB

TDA7430 - TDA7431

6/21