
MAX975ESA+
ActiveSINGLE/DUAL, +3V/+5V DUAL-SPEED COMPARATORS WITH AUTO-STANDBY
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MAX975ESA+
ActiveSINGLE/DUAL, +3V/+5V DUAL-SPEED COMPARATORS WITH AUTO-STANDBY
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Technical Specifications
Parameters and characteristics for this part
| Specification | MAX975ESA+ |
|---|---|
| CMRR, PSRR (Typ) | 90 dB, 90 dB |
| Current - Input Bias (Max) | 0.1 µA |
| Current - Quiescent (Max) [Max] | 500 µA |
| Hysteresis | 4 mV |
| Mounting Type | Surface Mount |
| Number of Elements | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 C |
| Output Type | TTL, CMOS, Rail-to-Rail |
| Package / Case | 0.154 in |
| Package / Case | 8-SOIC |
| Package / Case | 3.9 mm |
| Propagation Delay (Max) [Max] | 820 ns |
| Supplier Device Package | 8-SOIC |
| Type | General Purpose, Standard (General Purpose) |
| Voltage - Input Offset (Max) [Max] | 2 mV |
| Voltage - Supply, Single/Dual (±) [Max] | 5.25 V |
| Voltage - Supply, Single/Dual (±) [Min] | 2.7 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 189 | $ 6.37 | |
| 11200 | $ 6.37 | |||
| Tube | 1 | $ 8.26 | ||
| 10 | $ 5.67 | |||
| 25 | $ 5.00 | |||
| 100 | $ 4.26 | |||
| 250 | $ 3.89 | |||
| 500 | $ 3.67 | |||
| 1000 | $ 3.49 | |||
| 2500 | $ 3.35 | |||
Description
General part information
MAX975 Series
The MAX975/MAX977 single/dual comparators feature three different operating modes, and are optimized for +3V and +5V single-supply applications. The operating modes are as follows: high speed, high speed with auto-standby, and low power. Propagation delay is 28ns in high-speed mode, while supply current is only 250µA. Supply current is reduced to 3µA in low-power mode.The auto-standby feature allows the comparator to automatically change from low-power mode to highspeed mode upon receipt of an input signal. In the absence of an input signal, the comparator reverts back to low-power mode after an adjustable timeout period. The timeout period for the MAX975 to enter standby is set by a single capacitor. The dual MAX977 features independently adjustable timeout periods for each comparator using separate capacitors.The MAX975/MAX977's inputs have a common-mode voltage range of -0.2V to (VCC- 1.2V). The differential input voltage range extends rail to rail. The outputs are capable of rail-to-rail operation without external pull-up circuitry, making these devices ideal for interface with CMOS/TTL logic. All inputs and outputs can tolerate a continuous short-circuit fault condition to either rail. The comparator's internal hysteresis in high-speed mode ensures clean output switching, even with slow-moving input signals.The single MAX975 is available in 8-pin SO and 8-pin µMAX® packages, while the dual MAX977 is available in 14-pin SO and 16-pin QSOP packages.Applications3V SystemsBattery-Powered ApplicationsDigital-Line ReceiversIR ReceiversKeyless EntryRF ID TagsThreshold Detectors/Discriminators
Documents
Technical documentation and resources