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AD7750 Product to Frequency Converter Datasheet
Photograph
Features
- Two Differential Analog Input Channels
- Product of Two Channels
- Voltage-to-Frequency Conversion on a Single Channel
- Real Power Measurement Capability
- <0.2% Error Over the Range 400% Ibasic to 2% Ibasic
- Two or Four Quadrant Operation (Positive and Negative Power)
- Gain Select of 1 or 16 on the Current Channel
- Choice of On-Chip or External Reference
- Choice of Output Pulse Frequencies Available
- High Frequency Pulse Output for Calibration Purposes
- HPF on Current Channel for Offset Removal
- Single 5V Supply and Low Power
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | Vdd - Positive Supply |
| 2 | G1 - Gain Select |
| 3 | V1+ - CH1 Differential Inputs |
| 4 | V1- - CH1 Differential Inputs |
| 5 | AGND - Analog Ground |
| 6 | V2+ - CH2 Differential Inputs |
| 7 | V2- - CH2 Differential Inputs |
| 8 | REFOUT - Internal Reference Output |
| 9 | REFIN - Reference Input |
| 10 | DGND - Digital Ground |
| 11 | FS - Frequency Select |
| 12 | S2 - Mode Selection |
| 13 | S1 - Mode Selection |
| 14 | ACDC - High Pass Filter Control |
| 15 | CLKIN - Clock In |
| 16 | CLKOUT - Clock Out |
| 17 | REVP - Reverse Polarity |
| 18 | Fout - High-Speed Frequency Output |
| 19 | F2 - Frequency Output |
| 20 | F1 - Frequency Output |
Dimensional Drawing
Technical Data
