TP5088WM datasheet(2/6 Pages) NSC

No de pièce	TP5088WM

Description	TP5088 DTMF Generator for Binary Data

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Fabricant	NSC [National Semiconductor (TI)]

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Supply Voltage (VDDbVSS)

12V

MUTE Voltage

12V

Maximum Voltage at

Any Other Pin

VDD a 03V to VSS b 03V

Operating Temperature TA

b

30 Cto a70 C

Storage Temperature

b

55 Cto a150 C

Maximum Power Dissipation

500 mW

Electrical Characteristics

Unless otherwise noted limits printed in BOLD characters are guaranteed for VDD e 35V to 8V TA e 0 Cto a70 Cby

correlation with 100% electrical testing at TA e 25 C All other limits are assured by correlation with other production tests and

or product design and characterization

Parameter

Conditions

Min

Typ

Max

Units

Minimum Supply Voltage VDD (min)

Generating Tones

35

V

Minimum Supply Voltage for Data Input

2V

TONE ENABLE and MUTE Logic Functions

Operating Current

Idle

RL e % D0–D3 Open

55

350

m

A

Generating Tones

VDD e 35V Mute Open

15

25

mA

Input Pull-Up Resistance

D0–D3

100

kX

TONE ENABLE

50

kX

Input Low Level

TONE ENABLE D0 – D3

02 VDD

V

Input High Level

TONE ENABLE D0 – D3

08 VDD

V

MUTE OUT Sink Current

VDD e 35V

04

mA

(TONE ENABLE LOW)

Vo e 05V

MUTE OUT Leakage Current

VDD e 35V

1

m

A

(TONE ENABLE HIGH)

Vo e VDD

Output Amplitudes

RL e 240 X

130

170

220

mVrms

Low Group

VDD e 35V

180

230

310

mVrms

High Group

TA e 25 C

Mean Output DC Offset

VDD e 35V

12

V

VDD e 8V

36

V

High Group Pre-Emphasis

22

27

32

dB

Dual ToneTotal Harmonic Distortion Ratio

1 MHz Bandwidth VDD e 5V

b

20

dB

RL e 240X

Start-Up Time (to 90% Amplitude) tOSC

4ms

Data Set-Up Time tS (Figure 2 )VDD e 5V

100

ns

Data Hold Time tH

VDD e 5V

280

ns

Data Duration tW

VDD e 5V

600

ns

Note 1

RL is the external load resistor connected from TONE OUT to VSS

2

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