CXA3225N Просмотр технического описания (PDF) - Sony Semiconductor

Номер в каталоге

Компоненты Описание

производитель

CXA3225N

All Band TV Tuner IC (VHF-CATV-UHF)

Sony Semiconductor 

CXA3225N

Electrical Characteristics

See the Electrical Characteristics Measurement Circuit

(Ta=25 °C, VCC=5 V)

Item

Symbol

Measurement conditions

ICCVU VHF operation asymmetrical output no input signal

Circuit current

ICCVB

ICCUU

VHF operation symmetrical output no input signal

UHF operation asymmetrical output no input signal

ICCUB UHF operation symmetrical output no input signal

CG1U VHF operation fRF=50 MHz asymmetrical output

CG2U VHF operation fRF=430 MHz asymmetrical output

CG3U UHF operation fRF=430 MHz asymmetrical output

CG4U UHF operation fRF=850 MHz asymmetrical output

Conversion gain

∗1

CG1B ∗4

VHF operation

fRF=50 MHz

symmetrical output

CG2B ∗4 VHF operation fRF=430 MHz symmetrical output

CG3B ∗4 UHF operation fRF=430 MHz symmetrical output

CG4B ∗4 UHF operation fRF=850 MHz symmetrical output

NF1

VHF operation fRF=50 MHz asymmetrical output

Noise figure

NF2

∗1, ∗2 NF3

VHF operation fRF=430 MHz asymmetrical output

UHF operation fRF=430 MHz asymmetrical output

NF4

UHF operation fRF=850 MHz asymmetrical output

CM1

VHF operation fD=50 MHz fUD=±12 MHz

asymmetrical output

1 % cross

CM2

modulation ∗1

∗3 CM3

VHF operation fD=430 MHz fUD=±12 MHz

asymmetrical output

UHF operation fD=430 MHz fUD=±12 MHz

asymmetrical output

CM4

UHF operation fD=850 MHz fUD=±12 MHz

asymmetrical output

Maximum

output power

Pomax

50 Ω load, asymmetrical output

(sat)

∆fsw1

VHF operation fOSC=100 MHz

∆f from 3 seconds to 3 minutes after switch ON

Switch ON drift

∆fsw2

∆fsw3

VHF operation fOSC=470 MHz

∆f from 3 seconds to 3 minutes after switch ON

UHF operation fOSC=470 MHz

∆f from 3 seconds to 3 minutes after switch ON

∆fsw4

UHF operation fOSC=895 MHz

∆f from 3 seconds to 3 minutes after switch ON

Min. Typ. Max. Unit

35 46 55 mA

47 58 67 mA

39 50 59 mA

51 62 71 mA

20 23 26 dB

20 23 26 dB

23 26 29 dB

23 26 29 dB

29 32 35 dB

29 32 35 dB

32 35 38 dB

32 35 38 dB

12 16 dB

13 17 dB

10 13 dB

12 15 dB

99 103

dBµ

96 100

dBµ

96 100

dBµ

95 99

dBµ

7 10

dBm

±300 kHz

±600 kHz

±350 kHz

±350 kHz

∗1 Value measured with untuned input.

∗2 NF meter direct-reading value (DSB measurement).

∗3 Value with a desired reception signal input level of –30 dBm, an interference signal of 100 kHz/30 % AM,

and an interference signal level where S/I=46 dB measured with a spectrum analyzer.

∗4 Value which is measured as 420 Ω load impedance and compensated loss by 180 Ω resistor connected to

Pins 19 and 20.

—6—

Share Link: