STA8135G datasheet(24/41 Pages) STMICROELECTRONICS

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4.2.3

Typical values

Unless otherwise specified, typical data are based on Tamb = 25 °C, LDO_IN_3V3_1V8_0 = LDOS_VCC_0 = 3.3

V, LDO_RF_OUT_1V1_0 = LDO_1V1_OUT_0 = 1.1 V and LDO_1V8_OUT_0 = 1.8 V.

Table 21. Electrical characteristics (TJ = 25 °C unless otherwise noted)

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

Supply

VCC_RF

Voltage supply for LDO_RF

3.0

3.3

3.6

VCC_IO

Voltage supply for IO, LDO_1V8 and

LDO_DIG

3.0

3.3

3.6

ICCRF

Analog blocks current consumption

All blocks ON

ICCIO

Digital and IO current consumption

It depends on IO activity

0.5

ICC_STBY Stand-by power consumption.

All blocks OFF, only VCC_RF and

VCC_IO supplied

μA

Voltage regulator

LDO_RF

Regulator output voltage

1.0

1.1

1.2

LDO_DIG Regulator output voltage

1.0

1.1

1.2

LDO_1V8 Regulator output voltage

1.62

1.8

1.98

LNA

Power gain

10.5

L2 - L5 - L band

10.5

Noise figure(1)

1.7

L2 - L5 - L band

1.7

P1dB

Input compression point

-15

dBm

RFA - MIXER - IF FILTER - VGA

GpRFA

RFA voltage gain(1)

Max gain

Min gain

Conversion gain

(from RFAin to ADC input)

VGA and RFA at max gain

VGA and RFA at min gain

ΔVGA

VGA dynamic range

P_1dB

RF-IF-VGA input

Compression point

In band

RFA max VGA max

-105

dBm

In band

RFA max VGA min

-55

dBm

NFRF-IF

RF-IF-VGA noise figure(1)

VGA and RFA at max gain in L1-L2-

L5 band

-1dB high freq corner IF filter

Set corner #1

MHz

ATT

Aliasing frequency rejection

F = 52 MHz (corner #1)

Cristal oscillator - Fractional synthesizer - VCO

FTCXO

TCXO frequency

MHz

PTCXO_IN Reference input signal sensitivity

TCXO_IN pin DC blocked requested.

-20

dBm

RDIV

Reference divider range

NDIV

Loop divider range

2047

Frac

PLL fractionality

bit

STA8135G

Electrical specifications

DS14788 - Rev 1

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