Absolute Maximum Ratings

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20V

Voltage at Any Other Pin

b

Power Dissipation (Note 3)

1W

b

Junction Temperature

150 C

Lead Temperature (Soldering 10 seconds)

300 C

DC Electrical Characteristics

Unless otherwise specified all tests based on the test circuits shown in

Figure 1 all limits printed in bold characters are

with other production tests andor product design and characterization

Symbol

Parameter

Conditions

Min

Typ

Max

Units

28

V

Tip-Ring Voltage including

e

20 mA

45

V

nominal 14V polarity guard

e

50 mA

7

V

(See

Figure 1 )

e

80 mA

105

V

e

120 mA

15

V

Minimum Instantaneous

10

V

Voltage Swing

TRANSMIT AMPLIFIER

Input Resistance

15

30

50

kX

Gain at 1 kHz

33

35

37

dB

g

1dB

b

6dB

Transmit Noise

12

18

dBrnC

SignalTotal Harmonic

Distortion

2

10

%

Gain Change when MUTED

b

55

dB

DTMF AMPLIFIER

Input Resistance

10

20

55

kX

Gain at 1 kHz

35

55

75

dB

SignalTotal

3

10

%

Harmonic Distortion

g

1dB

b

6dB

MUTE INPUT

Input Current

40

m

A

MUTE OFF Input Voltage

05

V

MUTE ON Input Voltage

15

V

2