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ATA8402 Datasheet(PDF) 10 Page - ATMEL Corporation |
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ATA8402 Datasheet(HTML) 10 Page - ATMEL Corporation |
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10 / 13 page  ATA8402 [DATASHEET] 4982D–INDCO–07/14 10 Oscillator frequency XTO (= phase comparator frequency) fXTO = f0/32 fXTAL = resonant frequency of the XTAL, CM ≤ 10 fF, load capacitance selected accordingly Tamb = 25°C fXTO fXTAL ppm PLL loop bandwidth 250 kHz Phase noise of phase comparator Referred to fPC = fXT0, 25kHz distance to carrier –116 –110 dBc/Hz In-loop phase noise PLL 25kHz distance to carrier –86 –80 dBc/Hz Phase noise VCO At 1MHz At 36MHz –94 –125 –90 –121 dBc/Hz dBc/Hz Frequency range of VCO fVCO 429 439 MHz Clock output frequency (CMOS microcontroller compatible) f0/128 MHz Voltage swing at pin CLK CLoad ≤ 10pF V0h V0l VS × 0.8 VS × 0.2 V V Series resonance R of the crystal Rs 110 Ω Capacitive load at pin XT0 7 pF FSK modulation frequency rate Duty cycle of the modulation signal = 50% 0 32 kHz ASK modulation frequency rate Duty cycle of the modulation signal = 50% 0 50 kHz ENABLE input Low level input voltage High level input voltage Input current high VIl VIh IIn 1.7 0.25 20 V V µA PA_ENABLE input Low level input voltage High level input voltage Input current high VIl VIh IIn 1.7 0.25 VS(1) 5 V V µA 7. Electrical Characteristics (Continued) VS = 2.0V to 4.0V, Tamb = 25°C unless otherwise specified. Typical values are given at VS = 3.0 V and Tamb = 25°C. All parameters are referred to GND (pin 7). Parameters Test Conditions Symbol Min. Typ. Max. Unit Note: 1. If VS is higher than 3.6V, the maximum voltage will be reduced to 3.6V. |
Similar Part No. - ATA8402_14 |
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Similar Description - ATA8402_14 |
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