STA8090FG datasheet(29/41 Pages) STMICROELECTRONICS

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DS10719 Rev 6

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STA8090FG

Electrical characteristics

Table 22 lists the DC characteristics for the 1.0 V IO digital buffers input buffers: STBYn

(F8), STDBY_OUT (G7), WAKEUP0 (E8), WAKEUP1 (F7), PMU_CFG (G8) and RSTn (F9).

4.8

AC characteristics

4.8.1

RF electrical specifications

Table 21. I/O buffers DC characteristics

Symbol

Parameter

Test

conditions

Min.

Typ.

Max.

Unit

VIL(1)

1. Excludes oscillator inputs RTC_XTI and XTAL_IN. Refer to oscillator electrical specifications.

Logical input low level voltage

VDDIO = 1.8 V

-0.3

—

0.3 * VDDIO

VDDIO = 3.3V

-0.3

—

0.8

VIH(1)

Logical input high level

voltage

VDDIO = 1.8 V

0.7 * VDDIO

—VDDIO + 0.3

VDDIO = 3.3V

2.0

—

VDDIO + 0.3

VHYST(2)

2. Apply to all digital inputs unless specified otherwise.

Schmitt-trigger hysteresis

–

—

VOL

Low level output voltage

VDDIO = 1.8 V

—

0.4

VDDIO = 3.3V

—

0.4

VOH

High level output voltage

VDDIO = 1.8 V

VDDIO - 0.4

—

VDDIO = 3.3V

VDDIO - 0.4

—

Table 22. 1.0 V I/O buffers DC characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIL

Logical input low level voltage VOB = 1.0 V

-0.3

—

0.35 * VOB

VIH

Logical input high level voltage VOB = 1.0 V

0.65 * VOB

—VOB + 0.3

VOL

Low level output voltage

VOB = 1.0 V

—

0.2

VOH

High level output voltage

VOB = 1.0 V

VOB - 0.2

—

Table 23. RFACHAIN – GALGPS filter and VGA

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

S11(1)

Input return loss

GPS band

—

-8

fIF

IF frequency

PLL in default condition with

26Mhz as reference

—4.045

MHz

Noise figure

NF overall chain with AGC set

at 0 dB

—2(1)

Conversion gain from

RF input to ADC input

VGA at max gain

—

119

VGA at min gain

—

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