TS7514CP View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TS7514CP

PROGRAMMABLE V.23 MODEM WITH DTMF

STMicroelectronics 

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

14/19

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