ELECTRICAL CHARACTERISTICS (continued.)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

DIFFERENTIAL CD STEREO INPUT

Input Resistance

Input selector BIT D6 = 0 (0dB)

10

15

20

K

Ω

Input selector BIT D6 = 1(-6dB)

14

20

30

K

Ω

CMRR

Common Mode Rejection Ratio

f = 1KHz

f = 10KHz

48

75

dB

45

70

dB

d

Distortion

0.01

0.08

%

Input Noise

20Hz to 20KHz; Flat; D6 = 0

5

µV

Differential Gain

D6 = 0

-1

0

1

dB

D6 = 1

-7

-6

-5

dB

DIFFERENTIAL TELEPHONE MONO INPUT

Input Resistance

14

20

26

K

Ω

CMRR

Common Mode Rejection Ratio

45

60

dB

d

Distortion

0.15

0.5

%

Input Noise

20Hz to 3 KHz; Flat

10

µV

Differential Gain

-4.75

-3.75

-2.75

dB

VOLUME CONTROL

Input Resistance (INR, INL)

24

35

46

K

Ω

Max Gain

18.75

20

21.25

dB

Max Attenuation

57.7

59.7

62.7

dB

Step Resolution Coarse

Attenuation

0.50

1.25

2.00

dB

Step Resolution Fine

Attenuation

0.11

0.31

0.51

dB

Attenuation Set Error

G = -20 to 20dB

-1.25

0

1.25

dB

G = -20 to -59.7dB

3

2

dB

Tracking Error

2dB

DC Steps

Adjacent Attenuation Steps

-3

0.1

3

mV

0.5

5

mV

LOUDNESS CONTROL (LOUDL, LOUDR)

Internal Resistance

35

50

65

K

Ω

Step Resolution

0.5

1.25

2.0

dB

Max Attenuation

17.5

18.75

20.0

dB

ZERO CROSSING MUTE

Zero Crossing Threshold (1)

WIN = 11

20

mV

WIN = 10

40

mV

WIN = 01

80

mV

WIN = 00

160

mV

Mute Attenuation

80

100

dB

DC Step

0dB to Mute

0.3

3

mV

SOFT MUTE

Mute Attenuation

45

60

dB

Delay Time

0 to -20dB;

0.8

1.5

2.0

ms

15

25

45

ms

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

TDA7340

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