MAX038EPP MAXIM [Maxim Integrated Products], MAX038EPP Datasheet
MAX038EPP
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MAX038EPP Summary of contents
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... Low 200ppm/°C Temperature Drift ______________Ordering Information PART TEMP. RANGE MAX038CPP 0°C to +70°C MAX038CWP 0°C to +70°C MAX038C/D 0°C to +70°C MAX038EPP -40°C to +85°C MAX038EWP -40°C to +85°C * Contact factory for dice specifications. __________________Pin Configuration TOP VIEW REF 1 GND ...
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High-Frequency Waveform Generator ABSOLUTE MAXIMUM RATINGS V+ to GND ................................................................-0.3V to +6V DV+ to DGND...........................................................-0. GND .................................................................+0.3V to -6V Pin Voltages IIN, FADJ, DADJ, PDO .....................(V- - 0.3V) to (V+ + 0.3V) COSC .....................................................................+0. ...
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High-Frequency Waveform Generator ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, GND = DGND = 0V DV -5V 25kΩ 1kΩ 20pF ...
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High-Frequency Waveform Generator __________________________________________Typical Operating Characteristics (Circuit of Figure DV -5V, V otherwise noted.) OUTPUT FREQUENCY vs. IIN CURRENT 100M 10M 1M 100k 10k 1k 100 IIN CURRENT ...
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High-Frequency Waveform Generator ____________________________Typical Operating Characteristics (continued) (Circuit of Figure DV -5V, V otherwise noted.) SINE-WAVE OUTPUT (50Hz) TOP: OUTPUT 50Hz = F o BOTTOM: SYNC ...
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High-Frequency Waveform Generator ____________________________Typical Operating Characteristics (continued) (Circuit of Figure DV -5V, V otherwise noted.) SQUARE-WAVE OUTPUT (20MHz 400 20pF F FREQUENCY MODULATION USING I TOP: OUTPUT ...
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High-Frequency Waveform Generator ____________________________Typical Operating Characteristics (continued) (Circuit of Figure DV -5V, V otherwise noted.) OUTPUT SPECTRUM, SINE WAVE (F = 11.5MHz 15k (V = 2.5V ...
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High-Frequency Waveform Generator 5 COSC OSCILLATOR GND 8 FADJ OSCILLATOR CURRENT 7 DADJ GENERATOR 10 IIN REF 1 VOLTAGE REFERENCE * 11, 18 ...
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High-Frequency Waveform Generator A stable 2.5V reference voltage, REF, allows simple determination of IIN, FADJ, or DADJ with fixed resistors, and permits adjustable operation when potentiometers are connected from each of these inputs to REF. FADJ and/or DADJ can be ...
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High-Frequency Waveform Generator When the MAX038’s frequency is controlled by a volt- age source ( series with a fixed resistor (R IN output frequency is a direct function of V the above equations. Varying V modulates the oscilla- ...
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High-Frequency Waveform Generator –5V + FREQUENCY 1 V- REF C1 C3 1µF 1nF MAX038 DADJ 20k 10 IIN 8 FADJ R1 12k 5 COSC GND GND GND GND GND ...
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High-Frequency Waveform Generator Programming DADJ DADJ is similar to FADJ; it has a 250µA constant cur- rent sink to V- that must be furnished by the voltage source. The source is usually an op-amp output, and the temperature coefficient of ...
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High-Frequency Waveform Generator +5V - CENTER SYNC DV FREQUENCY 1 A0 REF DADJ 10 IIN OUT 8 MAX038 FADJ R PD PDI 5 COSC PDO ...
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High-Frequency Waveform Generator ÷N PHASE DETECTOR EXTERNAL OSC INPUT Figure 4. Phase-Locked Loop Using External Phase Detector FREQUENCY PHASE DETECTOR EXTERNAL OSC INPUT Figure 5. Phase-Locked Loop Using External Frequency Phase Detector 14 ______________________________________________________________________________________ -5V + ...
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High-Frequency Waveform Generator 1kHz 2kHz 4kHz 8kHz 16kHz 32kHz 64kHz 128kHz 256kHz 512kHz 1.024MHz 2.048MHz 4.096MHz 8.192MHz Figure 6. Crystal-Controlled, Digitally Programmed Frequency Synthesizer—8kHz to 16MHz with 1kHz Resolution ______________________________________________________________________________________ OUT1 RFB OUT2 VREF GND VDD MX7541 BIT1 BIT12 BIT2 ...
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High-Frequency Waveform Generator Layout Considerations Realizing the full performance of the MAX038 requires careful attention to power-supply bypassing and board layout. Use a low-impedance ground plane, and con- nect all five GND pins directly to it. Bypass V+ and V- ...