TS7514 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TS7514

PROGRAMMABLE V.23 MODEM WITH DTMF

STMicroelectronics 

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TS7514

DC AND OPERATING CHARACTERISTICS (continued)

Electrical characteristics are guaranteed over the complete temperature range, with typical load unless

otherwise specified. Typical values are given for : V+ = +5V, V− = -5V and room temperature = 25oC

Symbol

Parameter

Test Conditions Min. Typ. Max. Unit

RECEIVE TRANSFER - GENERAL CHARACTERISTICS

Absolute Filter Gain for :

0dB programmed

6dB programmed

12dBprogrammed

RDS Signal Detection Level Relative to Programmed Value

RHY Hysteresis Value

Signal Level (loop 3) at Reception Input

– 0.5 –

+ 5.5 –

+ 11.5 –

– 0.5 –

–2 –

– 40 – 35

+ 0.5

+ 6.5

12.5

+ 0.5

–

– 33

dB

dB

dB

dBm

LINE MONITORING - GENERAL CHARACTERISTICS (load conditions : RL = 10kΩ, CL = 50pF)

ATT Absolute Gain for 0dB Programmed

–

0

– dB

RAT Attenuation Relative to Programmed Value

-

Attenuation for Programmed Value

– 1 – + 1 dB

70

–

dB

FS Buzzer Signalling Frequency

– 2982 – Hz

Signalling Frequency Amplitude at 0.42VPP Programmed

0.38 0.42 0.46 VPP

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