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T48C862-R4 数据表(PDF) 12 Page - ATMEL Corporation |
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T48C862-R4 数据表(HTML) 12 Page - ATMEL Corporation |
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12 / 107 page  12 T48C862-R4 [Preliminary] 4551C–4BMCU–01/04 Output power V S = 3.0 V, Tamb =25° C f = 433.92 MHz, Z Load = (166 + j233) Ω P Ref 5.5 7.5 10 dBm Output power variation for the full temperature range T amb = -40° C to +85° C V S = 3.0 V V S = 2.0 V ∆P Ref ∆P Ref -1.5 -4.0 dB dB Output power variation for the full temperature range T amb = -40° C to +125° C V S = 3.0 V V S = 2.0 V P Out = PRef + ∆PRef ∆P Ref ∆P Ref -2.0 -4.5 dB dB Achievable output-power range Selectable by load impedance P Out_typ 07.5 dBm Spurious emission f CLK = f0/128 Load capacitance at Pin CLK = 10 pF f O ± 1× fCLK f O ± 4 × fCLK other spurious are lower -55 -52 dBc dBc Oscillator frequency XTO (= phase comparator frequency) f XTO = f0/32 f XTAL = resonant frequency of the XTAL, C M ≤10 fF, load capacitance selected accordingly T amb = -40° C to +85° C T amb = -40° C to +125° C f XTO -30 -40 f XTAL +30 +40 ppm ppm PLL loop bandwidth 250 kHz Phase noise of phase comparator Referred to fPC = fXT0, 25 kHz distance to carrier -116 -110 dBc/Hz In loop phase noise PLL 25 kHz distance to carrier -86 -80 dBc/Hz Phase noise VCO at 1 MHz at 36 MHz -94 -125 -90 -121 dBc/Hz dBc/Hz Frequency range of VCO f VCO 429 439 MHz Clock output frequency (CMOS microcontroller compatible) f0/128 MHz Voltage swing at Pin CLK C Load ≤10 pF V 0h V 0l VS × 0. 8V S × 0. 2 V V Series resonance R of the crystal Rs 110 Ω Capacitive load at Pin XT0 7pF FSK modulation frequency rate Duty cycle of the modulation signal = 50% 032 kHz ASK modulation frequency rate Duty cycle of the modulation signal = 50% 032 kHz ENABLE input Low level input voltage High level input voltage Input current high V Il V Ih IIn 1.7 0.25 20 V V µA PA_ENABLE input Low level input voltage High level input voltage Input current high VIl V Ih I In 1.7 0.25 5 V V µA Electrical Characteristics (Continued) V S = 2.0 V to 4.0 V, Tamb = -40° C to +125° C unless otherwise specified. Typical values are given at V S = 3.0 V and Tamb = 25° C. All parameters are referred to GND (Pin 3). Parameters Test Conditions Symbol Min. Typ. Max. Unit |
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