STA8090FG datasheet(34/41 Pages) STMICROELECTRONICS

部件名	STA8090FG

功能描述	Fully integrated GPS/Galileo/GLONASS/BeiDou/QZSS receiver with embedded RF and in-package Flash

PDF	41 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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34 / 41 page

Electrical characteristics

STA8090FG

34/41

DS10719 Rev 6

Figure 3. SARADC connections

REFP

REFN

AIN0

AIN1

AIN7

VREF

D[9:0]

SARADC

ADC WRAPPER

VINL1

VDD12_MVR

APB

Bridge2

ADC_IN1

ADC_IN2

ADC_IN8

GND

Table 29. SARADC specifications

Symbol

Parameter

Min.

Typ.

Max.

Unit

VADCIN ADC_IN input range

VGND-0.3

—

VINL1+0.3

VADCCR Conversion range

VGND

—VREF

VREF

Voltage reference

1.35

1.4

1.45

CIN

Input capacitance(1)

1. Not tested in production.

5.5

7.0

8.5

RIN

Input mux resistance (total

equivalent sampling resistance)(2)

2. Pad input capacitance included.

1.5

2.0

2.5



FCLK

Clock frequency

2.5

MHz

CLK

Clock duty cycle

TSUP

Start up time(1)(3)

3. From EN=1.

—

µs

Conversion time

—

cycles

Sampling time

—

cycles

INL

Performance

< +/- 2

LSB

DNL

< +/- 2

LSB

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