The Analog Devices MAX9017BEKA+T is a dual comparator that integrates a voltage reference on-chip — the 'Type with Voltage Reference' designation means you skip the external reference resistor network or dedicated reference IC that a standard comparator would need. That saves one or two line items and the board area they occupy. The 4 mV internal hysteresis cleans up noisy threshold crossings without external positive feedback, so the comparator won't chatter on a slowly ramping signal. With a maximum quiescent current of 2.8 µA per comparator (both channels), this part fits battery-powered threshold detectors, wake-up circuits, and low-power window comparators where every microamp matters. The 28 µs propagation delay is the time from input crossing the threshold to output transition — fast enough for most power-supply sequencing and over-voltage/under-voltage lockout loops, but not intended for high-speed data or RF-level detection.

MAX9017BEKA+T Analog Devices Comparator, 2-Element, SOT-23-8
MPNMAX9017BEKA+T
End of Life
Analog Devices MAX9017BEKA+T, Beyond-the-Rails™ series, dual comparator with internal voltage reference, CMOS push-pull rail-to-rail output, 1.8V to 5.5V supply, 2.8 µA quiescent, 28 µs propagation delay, SOT-23-8 package, -40°C to 85°C.
$2.83Ref. price · indicative, final on quote
PackagingSOT-23-8
RoHSROHS3 Compliant
SeriesBeyond-the-Rails™
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Type | with Voltage Reference |
| Series | Beyond-the-Rails™ |
| Output type | CMOS, Push-Pull, Rail-to-Rail |
| Mounting | Surface Mount |
| Voltage - input offset | 5mV @ 5V |
| Voltage - supply, single (Dual (±)) | 1.8V ~ 5.5V |
| Output current | 50mA |
| Current - quiescent | 2.8µA |
| Current - input bias | 0.001µA @ 5V |
| Operating temperature | -40°C ~ 85°C |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Hysteresis | 4mV |
| Case | SOT-23-8 |
| CMRR, PSRR | 80dB PSRR |
| Number of elements | 2 |
| Propagation delay | 28µs |
Product details
Frequently asked questions
Does MAX9017BEKA+T have an internal voltage reference?
Yes, the MAX9017BEKA+T is a dual comparator with an integrated voltage reference, so no external reference is needed.