ELECTRICAL CHARACTERISTICS (continued.)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

BASS CONTROL

Control Range

±11.5

±14

±16

dB

Step Resolution

1

2

3

dB

Internal Feedback Resistance

35

50

65

K

Ω

TREBLE CONTROL

Control Range

±13

±14

±15

dB

Step Resolution

1

2

3

dB

SPEAKER ATTENUATORS

Control Range

35.0

37.5

40.0

dB

Step Resolution

0.5

1.25

2.0

dB

Output Mute Attenuation

Data Word = 38.75dB

80

100

dB

Attenuation Set Error

1.50

dB

DC Step

Adjacent Attenuation Steps

0.1

3

mV

AUDIO OUTPUTS

Clipping Level

d = 0.3%

2.1

2.6

Output Load Resistance

2

K

Ω

Output Impedance

30

100

Ω

DC Voltage Level

3.5

3.8

4.1

V

PAUSE DETECTOR

Zero Crossing Threshold (1)

WIN = 11

20

mV

WIN = 10

40

mV

WIN = 01

80

mV

WIN = 00

160

mV

Pull-up Current

15

25

35

µA

Pause Threshold

3.0

V

GENERAL

Output Noise

BW = 20Hz to 20KHz, flat

Output Muted

All gains = 0dB

2.5

515

µV

µV

S/N

Signal to Noise Ratio

106

dB

d

Distortion

0.01

0.08

%

Channel Separation Left/Right

80

100

dB

Total Tracking Error

0

1

dB

0

2

dB

BUS INPUT

Input Low Voltage

1V

Input High Voltage

3

V

Input Current

-5

5

µA

Output Voltage SDA

Acknowledge

0.4

0.8

V

(1) WIN represent the MUTE programming bit paIr D6,D5 for the zero crossing window threshold

TDA7340

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