ST7580 datasheet(11/33 Pages) STMICROELECTRONICS

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V(TX_OUT) HD3

Transmitter output 3rd harmonic distortion

-70

-55

dBc

V(TX_OUT) THD

Transmitter output total harmonic distortion

0.1

0.2

Receiver

V(RX_IN) MAX

Receiver input maximum voltage

VCC = 18 V

V p-p

V(RX_IN) BIAS

Receiver input bias voltage

VCCA/2

Z(RX_IN)

Receiver input Impedance

V(RX_IN) MIN

Receiver input sensitivity

B-PSK coded mode,

fC = 86 kHz,

BER = 10-3,

SNR

≥ 20 db (3)

dBµV

RMS

FSK mode,

Symbol rate = 2400,

Deviation = 1,

fC = 86 kHz,

BER = 10-3,

SNR

≥ 20 dB

dBµV

RMS

PGA_MIN

PGA minimum gain

-18

PGA_MAX

PGA maximum gain

Oscillator

V(XIN)

Oscillator input voltage swing

Clock frequency supplied

externally

1.8

VDDIO

V p-p

V(XIN) TH

Oscillator input voltage threshold

0.8

0.9

f(XIN)

Crystal oscillator frequency

8MHz

f(XIN) TOL

External quartz crystal frequency tolerance

-150

+150

ppm

ESR

External quartz crystal ESR value

100

External quartz crystal load capacitance

Table 5.

Electrical characteristics (continued)

Symbol

Parameter

Note

Min.

Typ.

Max.

Unit

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