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TRF3761-BIRHARG4 Datasheet(PDF) 5 Page - Texas Instruments |
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TRF3761-BIRHARG4 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 56 page  www.ti.com THERMAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS TRF3761 SLWS181F – OCTOBER 2005 – REVISED JANUARY 2007 TERMINAL FUNCTIONS (continued) TERMINAL(1) I/O DESCRIPTION NAME NO. Analog power supply, requires 4.5 to 5.25 V, Suggested decoupling, 0.1uF and AVDD 21 10pF capacitors in parallel. Power supply for VCO core and buffer, requires 4.5 to 5.25 V, Suggested AVDD_CAPARRAY 23 decoupling, 0.1uF and 10pF capacitors in parallel. Power supply for VCO core and buffer, requires 4.5 to 5.25 V, Suggested AVDD_BUF 24 decoupling, 0.1uF and 10pF capacitors in parallel. Power supply for VCO core and buffer, requires 4.5 to 5.25 V, Suggested AVDD_VCO 25 decoupling, 0.1uF and 10pF capacitors in parallel. VCTRL_IN 26 I VCO control voltage, the output of the loop filter is applied to this pin. External bias resistor for setting charge pump reference current, requires 2.37K RBIAS1 28 I/O ohm resistor to ground. Power supply for band gap current bias, requires 4.5 to 5.25 V, Suggested AVDD_BIAS 29 decoupling, 0.1uF and 10pF capacitors in parallel. 10, 11, 12, 16, 20, 22, GND Analog ground 27, 30, 31, 33, 37 Power supply for FUSE cell, requires 4.5 to 5.25V. Suggested decoupling, 0.1uF, AVDD 32 1nF and 1pF capacitors in parallel. CPOUT 34 O Charge pump output, connected to the input of loop filter. Analog power supply for charge pump, requires 4.5 to 5.25 V, Suggested AVDD_CP 35 decoupling, 0.1uF and 10pF capacitors in parallel Power supply for REF_IN circuitry, requires 4.5 to 5.25 V, Suggested decoupling, AVDD_REF 36 0.1uF and 10pF capacitors in parallel. REF_IN 38 I Reference signal input, reference oscillator input of 10MHz to 104MHz. Generally used for digital lock detect, can be used to verify locked condition by MUX_OUT 39 O microcontroller, high = locked, low = unlocked. Power supply for the digital regulator, requires 4.5 to 5.25 V, Suggested DVDD2 40 decoupling, 0.1uF and 10pF capacitors in parallel. over operating free-air temperature range (unless otherwise noted) PARAMETER(1) TEST CONDITIONS MIN TYP MAX UNIT Soldered slug, no airflow 26 °C/W θ JA Thermal derating, junction-to-ambient Soldered slug, 200-LFM airflow 20.1 °C/W Soldered slug, 400-LFM airflow 17.4 °C/W (1) Determined using JEDEC standard JESD-51 with High K board Over operating free-air temperature range (unless otherwise noted)(1) VALUE UNIT Supply voltage range(2) –0.3 to 5.5 V Digital I/O voltage range –0.3 to VCC +0.3 V TJ Operating virtual junction temperature range –40 to 150 °C Tstg Storage temperature range –65 to 150 °C (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute maximum rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to network ground terminal. 5 Submit Documentation Feedback |
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