U4289BM-MFPG3 Atmel, U4289BM-MFPG3 Datasheet
U4289BM-MFPG3
Specifications of U4289BM-MFPG3
Related parts for U4289BM-MFPG3
U4289BM-MFPG3 Summary of contents
Page 1
... High Signal/Noise Ratio Description The U4289BM is an integrated circuit in BICMOS technology for frequency synthesiz- ers. It performs all the functions of a PLL radio tuning system and is controlled by a 2-wire bus. The device is designed for all frequency synthesizer applications in radio receivers, as well as for RDS (Radio Data System) applications. ...
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... GND2 Ground 2 (analog) 8 AMOSC AM oscillator input 9 PDFM FM current output 10 PDFMO FM analog output 11 PDAM AM current output 12 PDAMO AM analog output 13 VA Analog supply voltage 14 OSCIN Oscillator input 15 OSCOUT Oscillator output 16 GND1 Ground 1 (digital) U4289BM SCL 2 SDA SWO1 FMOSC GND AMOSC GND1 OSCOUT OSCIN ...
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... The module address contains a programmable address bit A 1, which (along with address select input AS, pin 4), enables the operation of two U4289BM devices in one system. If bit identical with the status of the address select input AS, the chip is selected ...
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... Saturation voltage HIGH Bus SCL, SDA, AS Input voltage HIGH Input voltage LOW Output voltage acknowledge LOW Clock frequency Rise time SDA, SCL Fall time SDA, SCL Period of SCL HIGH Period of SCL LOW U4289BM 4 Test Conditions Pins 1 AM mode/FM mode 120 MHz 6 ...
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... Symbol Min. Typ. t 4.7 sSTA t 250 sDAT t 4.7 sSTOP t 4.7 wSTA t 4.0 hSTA t 0 hDAT = + 85° 5.5 V 5.0 V 4.5 V 60.0 100.0 f (MHz) iFM = - -30° 5.5 V 5.0 V 4.5 V 60.0 100.0 f (MHz) iFM U4289BM Max. Unit µs µs µs µs µs µs 5 ...
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... U4289BM 6 Figure 5. AM Input Sensitivity, T amb 100 85°C 10.0 1.0 0 Figure 6. AM Input Sensitivity, T amb 100 -30°C 10.0 1.0 0 Figure 7. Bus Timing SDA wSTA SCL hDAT hSTA Stop Start = + 5.5 V 5 100 5.5 V 5 hSTA sSTA hDAT 100 t P sSTOP ...
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... MSB SWO1 LOW FM operation PD analog Negative polarity Output current 2 Subaddress A Data 0 R-divider Subaddress A Data 3 N-divider AM/ ANA PD - POL R-divider R-divider N-divider N-divider HIGH AM operation TEST Positive polarity Output current 1 A Data 1 A Data 2 A Data 4 A U4289BM LSB 0 CUR ...
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... U4289BM 8 100 F 110 MHz U4289BM 12k 12k *) Values depend on the step frequency and used varicaps • 100 nF should be very close to pin • GND2 (pin 7, analog ground) and GND1 (pin 16, digital around) must be connected according to Figure 8 • 4 MHz crystal must be very close to pin 14 and pin 15 • ...
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... Ordering Information Extended Type Number U4289BM-MFP U4289BM-MFPG3 Package Information Package SO16 Dimensions 4757A–AUDR–10/03 Package SO16 plastic SO16 plastic 10.0 9.85 0.4 1.27 8. Remarks – Taping according to IEC-286-3 5.2 4.8 3.7 1.4 0.2 0.25 3.8 0.10 6.15 5.85 technical drawings ...
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... No licenses to patents or other intellectual property of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use as critical components in life support devices or systems. ...