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MAX14934 and MAX14935 Isolators
The industry's fastest and most flexible digital isolators from Analog Devices allow direct interfacing to low voltage (1.8 V) devices
Analog Devices' MAX14934/35 is a family of four-channel, 5 kV digital isolators utilizing Analog Devices' proprietary process technology. The MAX14934/35 family transfers digital signals between circuits with different power domains at ambient temperatures up to +125°C.
The MAX14934/35 family offers all three possible unidirectional channel configurations to accommodate any four-channel design including SPI, RS-232, RS-485, and large digital IO modules.
Devices are available with data rates from DC up to 1 Mbps, 25 Mbps, or 150 Mbps. Each device is also available in either a default high or default low configuration. The default is the state an output goes to when its input is unpowered. See the Ordering Information/Selector Guide in the data sheet for the suffixes associated with each option.
Independent 1.71 V to 5.5 V supplies on each side of the isolator also make the devices suitable for use as level translators.
The MAX14934/35 are available in a 16-pin wide body (10.3 mm x 7.5 mm) SOIC package. All devices are rated for operation at ambient temperatures of -40°C to +125°C.
- Robust galvanic isolation of digital signals
- Withstands 5 kVRMS for 60 s (VISO)
- Continuously withstands 848 VRMS (VIOWM)
- 1200 VP repetitive peak voltage (VIORM)
- Withstands ±10 kV surge per IEC 61000-4-5
- Many options support broad applications
- 3 data rates (1 Mbps, 25 Mbps, 150 Mbps)
- 3 channel direction configuration
- 2 output default states (high or low)
- Interfaces directly with most micros and FPGAs
- Accepts 1.71 V to 5.5 V supplies
- Low power consumption at high data rates
- At 1.8 V:
- 2.5 mA per channel typical at 1 Mbps
- 5.25 mA per channel typical at 100 Mbps
- At 3.3 V:
- 2.6 mA per channel typical at 1 Mbps
- 7.1 mA per channel typical at 100 Mbps
MAX14934-35 Isolators
| Image | Manufacturer Part Number | Description | Available Quantity | Price | ||
|---|---|---|---|---|---|---|
 |  | MAX14934EAWE+ | DGTL ISOLTR 5KV 4CH GP 16-SOIC | 1254 - Immediate 30360 - Factory Stock | $5.23 | View Details |
| | MAX14934FAWE+ | DGTL ISOLTR 5KV 4CH GP 16-SOIC | 12424 - Immediate 25852 - Factory Stock | $6.06 | View Details |
| | MAX14935BAWE+ | DGTL ISOLTR 5KV 4CH GP 16-SOIC | 305 - Immediate 18722 - Factory Stock | $6.15 | View Details |
| | MAX14935EAWE+ | DGTL ISOLTR 5KV 4CH GP 16-SOIC | 213 - Immediate 2300 - Factory Stock | $6.15 | View Details |
| | MAX14935CAWE+ | DGTL ISOLTR 5KV 4CH GP 16-SOIC | 694 - Immediate 18630 - Factory Stock | $7.12 | View Details |
| | MAX14935FAWE+ | DGTL ISOLTR 5KV 4CH GP 16-SOIC | 831 - Immediate 184 - Factory Stock | $7.12 | View Details |
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