ST7570 datasheet(11/26 Pages) STMICROELECTRONICS

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ST7570

Electrical characteristics

Doc ID 17526 Rev 2

11/26

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

MHz

f(XIN) TOL

External quartz crystal frequency

tolerance

-150

+150

ppm

ESR

External quartz crystal ESR value

100

External quartz crystal load

capacitance

fCLK_AFE

Internal frequency of the analog

front end

MHz

fCLK_PROT_ctrl

Internal frequency of the protocol

Ctrl core

MHz

fCLK_PHY_proces

sor

Internal frequency of the PHY

processor core

MHz

Temperature sensor

T_TH1

Temperature threshold 1

°C

T_TH2

Temperature threshold 2

100

110

°C

T_TH3

Temperature threshold 3

112

125

138

°C

T_TH4

Temperature threshold 4

153

170

187

°C

Zero crossing comparator

V(ZC_IN_A) MAX

Zero crossing analog input voltage

range

V p-p

V(ZC_IN_A) TL

Zero crossing analog input low

threshold

-40

-30

-20

V(ZC_IN_A) TH

Zero crossing analog input high

threshold

V(ZC_IN_A)

HYST

Zero crossing analog input

hysteresis

ZC_IN_D d.c.

Zero crossing digital input duty

cycle

Digital section

Digital I/O

Table 5.

Electrical characteristics (continued)

Symbol

Parameter

Note

Min.

Typ.

Max.

Unit

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