The DG202/DG212 are normally open, quad single-pole single-throw (SPST) analog switches. These CMOS switches can be continuously operated with power supplies ranging from ±4.5V to ±18V. Maxim guarantees that these switches will not latch up if the power supplies are disconnected with input signals still connected. The DG202/DG212 are similar to the DG201/DG211 except for inverted control inputs. All devices have guaranteed break-before-make switching, as well as essentially constant on-resistance over the analog signal range. All switches conduct current in either direction and add no offset to the output signal. Compared to the original manufacturer’s products, Maxim’s DG202/DG212 consume very little power, making them better suited for portable applications. Maxim has also eliminated the need for the third logic power supply (VL) that is required for the operation of the original manufacturer’s DG212 without sacrificing compatibility.
The DG202 and DG212 are normally‑open, quad single‑pole single‑throw (SPST) CMOS analog switches that operate from ±4.5 V to ±18 V. They feature break‑before‑make switching, low on‑resistance, and no latch‑up when power is removed while inputs remain active. Maxim eliminated the need for a third logic supply (V L) while maintaining full compatibility.
The document provides absolute maximum ratings, detailed electrical characteristics, pin‑out tables for multiple package types, and guidelines for protecting the devices against over‑voltage conditions. Package drawings and mechanical dimensions for DIP, SO, TSSOP, QFN, and other formats are also included.
| Power‑supply range | ±4.5 V to ±18 V |
|---|---|
| Continuous current per switch | 20 mA |
| Peak current (1 ms, 10 % duty) | 70 mA |
| Operating temperature range | 0 °C to +70 °C (DG202C/DG212C), –40 °C to +85 °C (DG202D/E, DG212D/E) |
| Positive supply current (I+) | 0.02 mA (min) to 0.4 mA (max) |
| Negative supply current (I‑) | 0.01 mA (min) to 0.4 mA (max) |
They operate continuously from ±4.5 V up to ±18 V.
No, Maxim eliminated the need for the V L supply while keeping compatibility.
The maximum continuous current for any S or D terminal is 20 mA.
Approximately 755 mW (derated above 70 °C).