Maxim

MAX038 - 5V Dual RS-232 Transceiver

Photograph

Features 0.1Hz to 20MHz Operating Frequency Range Triangle,Sawtooth,Sine,Square, and Pulse Waveforms Independent Frequency and Duty-Cycle Adjustments 350 to 1 Frequency Sweep Range 15% to 85% Variable Duty Cycle Low-Impedance Output Buffer: 0.1ohms Low-Distortion Sine Wave: 0.75% Low 200ppm/°C Temperature Drift

Pin Description Pin Number Description 1 REF-2.50V bandgap Voltage Output 2 GND-Ground 3 AO-Waveform selection input 4 A1-Waveform selection input 5 COSC-External capacitor Connection 6 GND-Ground 7 DADJ-Duty-cycle adjust input 8 FADJ-Frequency adjust input 9 GND-Ground 10 IIN-Current input for frequency control 11 GND-Ground 12 PDO-Phase detector output 13 PDI-Phase detector reference clock input 14 SYNC-TTL/CMOS-compatible output 15 DGND-Digital Ground 16 DV+ -Digital Supply Input 17 V+ -Positive Supply 18 GND-GRound 19 OUT-Sine,square,or triangle output 20 V- -Negative Supply

Pin Layout Dimensional Drawing

Technical Data Data Sheet Maxim - Data Sheet for MAX038 Application Notes