ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Soft Mute Threshold

2.3

V

Pullup Resistor (pin 3)

(note 2)

100

K

Ω

(pin 3) Level High

3.5

V

(pin 3) Level Low

Soft Mute Active

1

V

GENERAL

Supply Voltage

6

9

10.2

V

Supply Current

7

11

15

mA

PSRR

Power Supply Rejection Ratio

f = 1KHz

60

70

dB

Output Noise

Output Muted (B = 20 to 20kHz flat)

3.5

µV

All Gains 0dB (B = 20 to 20kHz flat)

5

15

µV

S/N

Signal to Noise Ratio

106

dB

Channel Separation

70

80

dB

d

Distortion

0.01

0.08

%

BUS INPUTS

Input Low Voltage

1V

Input High Voltage

3

V

Input Current

VIN = 0.4V

-5

5

µA

Output Voltage SDA

Acknowledge

0.4

V

Note 2: Internall pullup resistor to Vs/2; ”LOW” = softmute active

100nF

100nF

+

-

HP2

HP1

R1 = EQUIVALENT RESISTANCE AT PIN HP1

R2 = EQUIVALENT RESISTANCE AT PIN HP2

D96AU439

56K

18.7K

9.3K

7.6K

4.3K

3.5K

52.5K

56K

6.2K

3.5K

2.1K

3.8K

4.6K

9.3K

28K

28K

Figure 1: HP Filter.

TDA7435

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