U4285BM

Features: ` Reference oscillator up to 15 MHz` Two programmable 16 bit dividers adjustable from 2 to 65535` Fine tuning steps: AM 1 kHzFM 2 kHz`4 programmable switching outputs (open drain up to 15 V)` Few external component required due to integrated loop-push-pull stage for AM/FM` High signal/ n...

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SeekIC No. : 004534890 Detail

U4285BM: Features: ` Reference oscillator up to 15 MHz` Two programmable 16 bit dividers adjustable from 2 to 65535` Fine tuning steps: AM 1 kHzFM 2 kHz`4 programmable switching outputs (open drain up to 15 ...

floor Price/Ceiling Price

Part Number:
U4285BM
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/31

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Product Details

Description



Features:

` Reference oscillator up to 15 MHz
` Two programmable 16 bit dividers adjustable from 2 to 65535
` Fine tuning steps:
                    AM  1 kHz
                    FM  2 kHz
`4 programmable switching outputs (open drain up to 15 V)
` Few external component required due to integrated loop-push-pull stage for AM/FM
` High signal/ noise ratio




Pinout

  Connection Diagram


Specifications

Parameter
Symbol
Value
Unit
Supply voltage Pin 1
VDD
0.3 to +6
V
Input voltage Pins 2, 3, 4, 9, 11, 18 and 19
VI
0.3 to VDD + 0.3
V
Output current Pins 3, 5, 6, 7 and 8
I0
1 to +5
mA
Output drain voltage Pins 5, 6, 7 and 8
VOD
15
V
Analogue supply voltage Pin 16
with 220 seriell resistance 2 minutes 1
VA
6 to 15
V
VA
25
V
Output current Pins 12 and 15
IAO
1 to +20
mA
Ambient temperature
Tamb
25 to +85
°C
Storage temperature
Tstg
40 to +125
°C
Junction temperature
Tj
125
°C
Electrostatic handling (MIL Standard 883D
method 3015.7: all supply pins connected together) )
±VESD
1000
V



Description

The U4285BM is an integrated circuit in BICMOS technology for frequency synthesizers. It performs all the functions of a PLL radio tuning system and is controlled by an I2C bus. The U4285BM is designed for all frequency synthesizer applications in radio receivers, as well as RDS ( Radio Data System ) applications.




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