MAX038 High-Frequency Waveform GeneratorABSOLUTE MAXIMUM RATINGS V+ to GND ...-0.3V to +6V Continuous Power Dissipation (TA = +70°C) DV+ to DGND...-0.3V to +6V Plastic DIP (derate 11.11mW/°C above +70°C) ...889mW V- to GND ...+0.3V to -6V SO (derate 10.00mW/°C above +70°C) ...800mW Pin Voltages CERDIP (derate 11.11mW/°C above +70°C) ...889mW IIN, FADJ, DADJ, PDO ...(V- - 0.3V) to (V+ + 0.3V) Operating Temperature Ranges COSC ..+0.3V to V MAX038C_ _ ..0°C to +70°C A0, A1, PDI, SYNC, REF...-0.3V to V+ Maximum Junction Temperature . ...+150°C GND to DGND ...±0.3V Storage Temperature Range ..-65°C to +150°C Maximum Current into Any Pin ..±50mA Lead Temperature (soldering, 10s) ...+300°C OUT, REF Short-Circuit Duration to GND, V+, V- ..30s 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 in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (Circuit of Figure 1, GND = DGND = 0V, V+ = DV+ = 5V, V- = -5V, VDADJ = VFADJ = VPDI = VPDO = 0V, CF = 100pF, RIN = 25kΩ RL = 1kΩ, CL = 20pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSFREQUENCY CHARACTERISTICS Maximum Operating Frequency Fo CF ≤ 15pF, IIN = 500µA 20.0 40.0 MHz Frequency Programming VFADJ = 0V 2.50 750 IIN µA Current VFADJ = -3V 1.25 375 IIN Offset Voltage VIN ±1.0 ±2.0 mV Frequency Temperature ΔFo/°C VFADJ = 0V 600 ppm/°C Coefficient Fo/°C VFADJ = -3V 200 (ΔFo/Fo) Frequency Power-Supply Δ V- = -5V, V+ = 4.75V to 5.25V ±0.4 ±2.00 V+ %/V Rejection (ΔFo/Fo) Δ V+ = 5V, V- = -4.75V to -5.25V ±0.2 ±1.00 V- OUTPUT AMPLIFIER (applies to all waveforms) Output Peak-to-Peak Symmetry VOUT ±4 mV Output Resistance ROUT 0.1 0.2 Ω Output Short-Circuit Current IOUT Short circuit to GND 40 mA SQUARE-WAVE OUTPUT (RL = 100 Ω ) Amplitude VOUT 1.9 2.0 2.1 VP-P Rise Time tR 10% to 90% 12 ns Fall Time tF 90% to 10% 12 ns Duty Cycle dc VDADJ = 0V, dc = tON/t x 100% 47 50 53 % TRIANGLE-WAVE OUTPUT (RL = 100 Ω ) Amplitude VOUT 1.9 2.0 2.1 VP-P Nonlinearity FO = 100kHz, 5% to 95% 0.5 % Duty Cycle dc VDADJ = 0V (Note 1) 47 50 53 % SINE-WAVE OUTPUT (RL = 100 Ω ) VOUT 1.9 2.0 2.1 VP-P Total Harmonic Distortion THD CF = 1000pF, FO = 100kHz 2.0 % 2 Maxim Integrated Document Outline Blank Page
