Comparators

What is a Comparator?

A Comparator is a circuit which accepts two voltages or currents and then switches the output showing which is bigger. Comparators are found in components like analogue to digital converters. Comparators are like operational amplifiers except a comparator is designed to operate with positive feedback and output saturated at one power rail or the other.

How a Comparator works.
A comparator samples two input pins and turns on the output when identifying a difference or similarity.
An example is when you have a minus voltage on the inverting Pin and a plus non-inverting. When the voltage, on the non-inverting equals the inverting voltage the Pin turns on. Normally the output Pin is open and switches to ground when the comparator is activated.

Why use a Comparator?
The primary use of a comparator is converting analog to digital (ADC). Two supply voltage are applied and the difference determines a high or low digital signal.

Types of Comparator.
Current sense, Differential / Dual differential, Dual / Dual CMOS, Dual voltage / General voltage, General purpose, Ground sense, High speed / high-speed CMOS, Low current CMOS, Low power / low voltage / low-power CMOS, Micro power, Nano power, Precision, Push/pull output, Quad differential, Rail to rail, Voltage, Window.

Mounting Types.
Surface mount
Through hole
Comparator power supply types.
Dual
Single

Various package types, pins, sizes, channels per chip, PSRR (power supply rejection ratio), CMRR (common mode rejection ratio) are all available.
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Produkta apraksts Brand Stock Comparator Type Mounting Type Package Type Power Supply Type Output Type Number of Channels per Chip Typical Response Time Pin Count Typical Single Supply Voltage Dimensions Length Width Height Typical CMRR Typical Dual Supply Voltage Typical PSRR Typical Voltage Gain Maximum Operating Temperature Minimum Operating Temperature Automotive Standard
MIC842NYC5-TR Microchip Technology, Comparator & Voltage Reference, Open Drain O/P, 12μs 5-Pin SC-70 Microchip Technology 2980 Voltage Surface Mount SC-70 Single Open Drain 1 12µs 5 - 1.8 x 1.15 x 0.8mm 1.8mm 1.15mm 0.8mm - - - - +85 °C -40 °C -
MIC6270YM5-TR Microchip Technology, Comparator, Open Collector O/P, 300ns 5-Pin SOT-23 Microchip Technology 2750 CMOS Surface Mount SOT-23 Single Open Collector 1 300ns 5 - 2.9 x 1.6 x 1.1mm 2.9mm 1.6mm 1.1mm - - - 200 V/mV +85 °C -40 °C -
MIC842HYC5-TR Microchip Technology, Comparator & Voltage Reference, Push-Pull O/P, 12μs 5-Pin SC-70 Microchip Technology 2520 Voltage Surface Mount SC-70 Single Push-Pull 1 12µs 5 - 1.8 x 1.15 x 0.8mm 1.8mm 1.15mm 0.8mm - - - - +85 °C -40 °C -
MCP6547T-E/MS Microchip Technology, Dual Comparator & Voltage Reference, Open Drain O/P, 4μs 8-Pin MSOP Microchip Technology 2460 Rail to Rail Surface Mount MSOP Single Open Drain 2 4µs 8 - 3 x 3 x 0.95mm 3mm 3mm 0.95mm 70dB - 80dB - +125 °C -40 °C AEC-Q100
MCP6562T-E/MS Microchip Technology, Dual Comparator & Voltage Reference, Push-Pull O/P, 56ns 8-Pin MSOP Microchip Technology 2220 Rail to Rail Surface Mount MSOP Dual Push-Pull 2 56ns 8 - 3 x 3 x 0.95mm 3mm 3mm 0.95mm 66dB - 70dB - +125 °C -40 °C AEC-Q100
MIC842LYC5-TR Microchip Technology, Comparator & Voltage Reference, Push-Pull O/P, 12μs 5-Pin SC-70 Microchip Technology 1700 Voltage Surface Mount SC-70 Single Push-Pull 1 12µs 5 - 1.8 x 1.15 x 0.8mm 1.8mm 1.15mm 0.8mm - - - - +85 °C -40 °C -
ADCMP392ARZ Analog Devices, Dual Comparator, Open Drain O/P, 0.15/1.1μs Rise/Fall, 2.3 → 5.5 V 8-Pin SOIC Analog Devices 302 - Surface Mount SOIC Single Open Drain 2 0.15 (Fall Time) μs, 1.1 (Rise Time) μs 8 2.3 → 5.5 V 5 x 4 x 1.5mm 5mm 4mm 1.5mm 74dB - 80dB 132 dB +125 °C -40 °C -
CMP401GSZ Analog Devices, Quad Comparator, 3.9 V 16-Pin SOIC Analog Devices 140 Low Voltage Surface Mount SOIC Single - 4 - 16 3.9 V 10 x 4 x 1.5mm 10mm 4mm 1.5mm 60dB - 60dB 10 V/mV +125 °C -40 °C -
AD8564ARZ Analog Devices, Quad Comparator, 5 V 16-Pin SOIC Analog Devices 0 General Purpose Surface Mount SOIC Dual, Single - 4 - 16 5 V 10 x 4 x 1.5mm 10mm 4mm 1.5mm 85dB ±5V 80dB 69.54 dB +85 °C -40 °C -
ADCMP392ARZ Analog Devices, Dual Comparator, Open Drain O/P, 0.15/1.1μs Rise/Fall, 2.3 → 5.5 V 8-Pin SOIC Analog Devices 0 - Surface Mount SOIC Single Open Drain 2 0.15 (Fall Time) μs, 1.1 (Rise Time) μs 8 2.3 → 5.5 V 5 x 4 x 1.5mm 5mm 4mm 1.5mm 74dB - 80dB 132 dB +125 °C -40 °C -
BA10339 ROHM, Quad Comparator, Open Collector O/P, 1.3μs 5 → 28 V 14-Pin PDIP
  • RS noliktavas numurs 177-4631
  • Zīmols ROHM
  • Ražotāja numurs BA10339
ROHM 0 General Purpose Through Hole PDIP Dual, Single Open Collector 4 1.3µs 14 5 → 28 V 19.4 x 6.5 x 3.44mm 19.4mm 6.5mm 3.44mm - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - 106 dB +85 °C -40 °C -
BA10339F ROHM, Quad Comparator, Open Collector O/P, 1.3μs 5 → 28 V 14-Pin SOP
  • RS noliktavas numurs 177-4629
  • Zīmols ROHM
  • Ražotāja numurs BA10339F
ROHM 0 General Purpose Surface Mount SOP Dual, Single Open Collector 4 1.3µs 14 5 → 28 V 8.7 x 4.4 x 1.39mm 8.7mm 4.4mm 1.39mm - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - 106 dB +85 °C -40 °C -
BA10339F-E2 ROHM, Quad Comparator, Open Collector O/P, 1.3μs 3 → 36 V 14-Pin SOP
  • RS noliktavas numurs 177-7731
  • Zīmols ROHM
  • Ražotāja numurs BA10339F-E2
ROHM 0 General Purpose Surface Mount SOP Dual, Single Open Collector 4 1.3µs 14 3 → 36 V 8.7 x 4.4 x 1.5mm 8.7mm 4.4mm 1.5mm - ±1 to ±18V - 106 dB +85 °C -40 °C -
BA10339FV-E2 ROHM, Quad Comparator, Open Collector O/P, 1.3μs 3 → 36 V 14-Pin SSOP-B
  • RS noliktavas numurs 177-7663
  • Zīmols ROHM
  • Ražotāja numurs BA10339FV-E2
ROHM 0 General Purpose, Ground Sense Surface Mount SSOP-B Dual, Single Open Collector 4 1.3µs 14 3 → 36 V 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm - ±1.5 to ±18V - 106 dB +85 °C -40 °C -
BA10393 ROHM, Dual Comparator, Open Collector O/P, 1.3μs 3 → 28 V 8-Pin PDIP
  • RS noliktavas numurs 177-4647
  • Zīmols ROHM
  • Ražotāja numurs BA10393
ROHM 0 General Purpose Through Hole PDIP Dual, Single Open Collector 2 1.3µs 8 3 → 28 V 9.3 x 6.5 x 2.59mm 9.3mm 6.5mm 2.59mm - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - 106 dB +85 °C -40 °C -
BA10393F ROHM, Dual Comparator, Open Collector O/P, 1.3μs 3 → 28 V 8-Pin SOP
  • RS noliktavas numurs 177-4648
  • Zīmols ROHM
  • Ražotāja numurs BA10393F
ROHM 0 General Purpose Surface Mount SOP Dual, Single Open Collector 2 1.3µs 8 3 → 28 V 5 x 4.4 x 1.5mm 5mm 4.4mm 1.5mm - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - 106 dB +85 °C -40 °C -
BA2903YF-CE2 ROHM, Dual Comparator, Open Collector O/P, 1.3μs +36 V 8-Pin SOP
  • RS noliktavas numurs 177-9876
  • Zīmols ROHM
  • Ražotāja numurs BA2903YF-CE2
ROHM 0 - Surface Mount SOP Single Open Collector 2 1.3µs 8 +36 V 5 x 4.4 x 1.39mm 5mm 4.4mm 1.39mm - - - 100 dB +125 °C -40 °C AEC-Q100
BA2903YF-CE2 ROHM, Dual Comparator, Open Collector O/P, 1.3μs +36 V 8-Pin SOP
  • RS noliktavas numurs 178-0408
  • Zīmols ROHM
  • Ražotāja numurs BA2903YF-CE2
ROHM 0 - Surface Mount SOP Single Open Collector 2 1.3µs 8 +36 V 5 x 4.4 x 1.39mm 5mm 4.4mm 1.39mm - - - 100 dB +125 °C -40 °C AEC-Q100
BA2903YFV-CE2 ROHM, Dual Comparator, 1.3μs 2 → 36 V 8-Pin SSOP
  • RS noliktavas numurs 184-8553
  • Zīmols ROHM
  • Ražotāja numurs BA2903YFV-CE2
ROHM 0 - Surface Mount SSOP Single - 2 1.3µs 8 2 → 36 V 4.4 x 3 x 1.15mm 4.4mm 3mm 1.15mm - - - 100 dB 125 °C -40 °C AEC-Q100
BA2903YFV-CE2 ROHM, Dual Comparator, 1.3μs 2 → 36 V 8-Pin SSOP
  • RS noliktavas numurs 184-8660
  • Zīmols ROHM
  • Ražotāja numurs BA2903YFV-CE2
ROHM 0 - Surface Mount SSOP Single - 2 1.3µs 8 2 → 36 V 4.4 x 3 x 1.15mm 4.4mm 3mm 1.15mm - - - 100 dB 125 °C -40 °C AEC-Q100
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