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 mountThrough holeComparator power supply types.DualSingleVarious package types, pins, sizes, channels per chip, PSRR (power supply rejection ratio), CMRR (common mode rejection ratio) are all available.

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Description Price 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
RS庫存編號 401-2215
製造零件編號BA10339
BrandROHM
TWD29.60
/個 (每包:5個)
單位
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 -
RS庫存編號 171-6288
製造零件編號BU7232F-E2
BrandROHM
TWD47.50
/個 (每包:10個)
單位
Low Voltage CMOS Surface Mount SOP Dual, Single Push-Pull 2 1.7µs 8 1.8 → 5.5 V 5 x 4.4 x 1.5mm 5mm 4.4mm 1.5mm 80dB
RS庫存編號 171-5777
製造零件編號BU7230G-TR
BrandROHM
TWD8.00
個 (在毎卷:3000)
單位
Low Current CMOS Surface Mount SSOP Dual, Single Open Drain 1 1.8µs 5 1.8 → 5.5 V 2.9 x 1.6 x 1.1mm 2.9mm 1.6mm 1.1mm 80dB
RS庫存編號 184-8700
製造零件編號BU7250SG-TR
BrandROHM
TWD25.10
/個 (每包:25個)
單位
Low Current CMOS Surface Mount SSOP Dual, Single Open Drain 1 - 5 1.8 → 5.5 V 2.9 x 1.6 x 1.1mm 2.9mm 1.6mm 1.1mm 80dB
RS庫存編號 168-1884
製造零件編號BA2901FV-E2
BrandROHM
TWD23.60
/個 (每包:25個)
單位
- Surface Mount SSOP Dual, Single Open Collector 4 1.3µs 14 36 V 5 x 4.4 x 1.05mm 5mm 4.4mm 1.05mm -
RS庫存編號 731-3628
製造零件編號BA2903SFVM-TR
BrandROHM
TWD5.50
/個 (每包:10個)
單位
General Purpose Surface Mount MSOP Dual, Single Open Collector 2 1.3µs 8 2 → 36 V 2.9 x 2.8 x 0.67mm 2.9mm 2.8mm 0.67mm -
RS庫存編號 177-9880
製造零件編號BU5265SHFV-TR
BrandROHM
TWD10.90
個 (在毎卷:3000)
單位
Dual CMOS Surface Mount HVSOF Dual, Single Push-Pull 1 - 5 +7 V 1.6 x 1.2 x 0.58mm 1.6mm 1.2mm 0.58mm 80dB
RS庫存編號 184-8584
製造零件編號BU7230SG-TR
BrandROHM
TWD12.00
個 (在毎卷:3000)
單位
Low Current CMOS Surface Mount SSOP Dual, Single Open Drain 1 - 5 1.8 → 5.5 V 2.9 x 1.6 x 1.1mm 2.9mm 1.6mm 1.1mm 80dB
RS庫存編號 171-5779
製造零件編號BU5255HFV-TR
BrandROHM
TWD6.90
個 (在毎卷:3000)
單位
Low Current CMOS Surface Mount HVSOF Dual, Single Push-Pull 1 1.6µs 5 1.8 → 5.5 V 1.6 x 1.2 x 0.58mm 1.6mm 1.2mm 0.58mm 80dB
RS庫存編號 171-5752
製造零件編號LM2903FJ-E2
BrandROHM
TWD5.10
個 (在毎卷:2500)
單位
- Surface Mount SOP-J Dual, Single Open Collector 2 1µs 8 3 → 32 V 4.9 x 3.9 x 1.37mm 4.9mm 3.9mm 1.37mm -
RS庫存編號 131-2776
製造零件編號BU7233F-E2
BrandROHM
TWD21.90
/個 (每包:10個)
單位
Low Current CMOS Surface Mount SOP Dual, Single Open Drain 2 1.8µs 8 1.8 → 5.5 V 5 x 4.4 x 1.39mm 5mm 4.4mm 1.39mm 80dB
RS庫存編號 184-8585
製造零件編號BU7232YFVM-CTR
BrandROHM
TWD21.60
個 (在毎卷:3000)
單位
Low Current CMOS Surface Mount MSOP Dual, Single Push-Pull 2 - 8 1.8 → 5.5 V 2.9 x 2.8 x 0.75mm 2.9mm 2.8mm 0.75mm 80dB
RS庫存編號 171-6315
製造零件編號BA2901SFV-E2
BrandROHM
TWD24.60
/個 (每包:20個)
單位
- Surface Mount SSOP Dual, Single Open Collector 4 1.3µs 14 2 → 36 V 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm -
RS庫存編號 171-6269
製造零件編號LM2901FVJ-E2
BrandROHM
TWD13.70
/個 (每包:10個)
單位
- Surface Mount TSSOP-BJ Dual, Single Open Collector 4 1µs 14 3 → 32 V 3 x 3 x 0.85mm 3mm 3mm 0.85mm -
RS庫存編號 171-5756
製造零件編號LM393F-GE2
BrandROHM
TWD3.90
個 (在毎卷:2500)
單位
- Surface Mount SOP Dual, Single Open Collector 2 1µs 8 3 → 32 V 5 x 4.4 x 1.5mm 5mm 4.4mm 1.5mm -
RS庫存編號 171-5753
製造零件編號LM2903FVJ-E2
BrandROHM
TWD5.10
個 (在毎卷:2500)
單位
- Surface Mount TSSOP-BJ Dual, Single Open Collector 2 1µs 8 3 → 32 V 3 x 3 x 0.85mm 3mm 3mm 0.85mm -
RS庫存編號 168-1970
製造零件編號BA2901F-E2
BrandROHM
TWD30.00
/個 (每包:25個)
單位
- Surface Mount SOP Dual, Single Open Collector 4 1.3µs 14 36 V 8.7 x 4.4 x 1.39mm 8.7mm 4.4mm 1.39mm -
RS庫存編號 184-8574
製造零件編號BA82901YF-CE2
BrandROHM
TWD24.30
個 (在毎卷:2500)
單位
- Surface Mount SOP Single - 3 1.3µs 8 2 → 36 V 5 x 4.4 x 1.5mm 5mm 4.4mm 1.5mm -
RS庫存編號 171-5774
製造零件編號BU7251SG-TR
BrandROHM
TWD9.10
個 (在毎卷:3000)
單位
High Speed CMOS Surface Mount SSOP Dual, Single Push-Pull 1 0.55µs 5 1.8 → 5.5 V 2.9 x 1.6 x 1.1mm 2.9mm 1.6mm 1.1mm 80dB
RS庫存編號 171-6323
製造零件編號LM2903DT
BrandROHM
TWD17.40
/個 (每包:20個)
單位
- Surface Mount SOP-J Dual, Single Open Collector 2 1.3µs 8 2 → 36 V 4.9 x 3.9 x 1.37mm 4.9mm 3.9mm 1.37mm -