ST7590 datasheet(11/24 Pages) STMICROELECTRONICS

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R(TX_OUT)

Transmitter output resistance

RX mode

Ω

V(TX_OUT) HD2 Transmitter output 2

nd harmonic distortion

V(TX_OUT) = 4 Vpp (TXOUT)MAX,

No load, fC = 82 kHz

-67

dBc

V(TX_OUT) HD3 Transmitter output 3

rd harmonic distortion

-70

dBc

V(TX_OUT) THD Transmitter output total harmonic distortion

0.1

Receiver

V(RX_IN) MAX

Receiver input maximum voltage

VCC = 18 V

V p-p

V(RX_IN) BIAS

Receiver input bias voltage

2.5

Z(RX_IN)

Receiver input impedance

kΩ

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

V(XIN) fOSC

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

Temperature sensor

T_TH1

Temperature threshold 1

(2)

°C

T_TH2

Temperature threshold 2

(2)

100

110

°C

T_TH3

Temperature threshold 3

(2)

112

125

138

°C

T_TH4

Temperature threshold 4

(2)

153

170

187

°C

Zero crossing comparator

V(ZC_IN) MAX

Zero crossing detection input voltage range

V p-p

Table 4.

Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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