S1M8662A 데이터 시트보기 (PDF) - Samsung

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S1M8662A

CDMA/PCS/GPS Triple Mode IF/ baseband IC

Samsung 

RX IF/BBA WITH GPS

S1M8662A (Preliminary)

AC Characteristics (Continued)

Characteristic

Test Conditions

Symbol Min Typ Max Unit

GPS Performance

Input sensitivity

Maximum AGC gain. Control input

signal so that ADC outputs 0.5*F/S.

VCSEN -102 -

- dBm

Maximum input signal Minimum AGC gain Control input signal VCMAX -

so that ADC outputs 0.5*F/S.

-

-12 dBm

AGC gain slope

PDM 3.3V Mode

GSLOPE 43 50 57 dB/V

AGC gain error over

temperature

-30°C to +85°C.

GVAR

-3

-

3

dB

IF input frequency

range

Cin < 2pF

Fin

-

-

250 MHz

IF input Impedance

Zin

0.8 1.0 1.2 kΩ

Input power = -98dBm

NFmin

-

-

7

dB

Noise figure

Input power = -75dBm

NFmid

-

-

12 dB

Input power = -25dBm

NFmax

-

-

58 dB

IIP3

AGC gain Max.

IIP3max -53

-

- dBm

AGC gain Min.

IIP3min -25

-

- dBm

Offset gain slope

Amount of code change of the voltage

ADC output at the I/Q offset control

GOFS

250

%FS/

V

Offset adjust input

-

impedance

Zoff

100 -

-

kΩ

Out-band

≥ 1.3MHz

ATC13 46

-

-

dB

attenuation

≥ 1.7MHz

ATC17 48

-

-

dB

Residual Sideband

RSB = 20log

1 + k 2 + 2k cosθ

1 + k 2 − 2k cosθ

RSB

22

-

-

dB

k : Linear Gain Mismatch

θ : Phase Mismatch in Deg.

Gain flatness

Amount of gain change along I and Q

paths between 1kHz to 800kHz

Gft

-1.5

-

1.5 dB

9

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