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.

...
顯示內容 隱藏內容

篩選條件

正在檢視 141 - 160,共 1295 項產品
Results per page
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 145-5762
製造零件編號TLC372IP
HK$6.282
毎管:50 個
單位
General Purpose Through Hole PDIP Dual, Single Open Drain 2 0.65µs 8 5 → 15 V 9.81 x 6.35 x 4.57mm 9.81mm 6.35mm 4.57mm -
全新
RS庫存編號 190-4365
製造零件編號MAX9144EUD+
BrandMaxim
HK$20.684
毎管:96 個
單位
Low Power Surface Mount TSSOP Single - 4 - 14 2.7 → 5.5 V 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm 80µV/V
RS庫存編號 165-8921
製造零件編號MAX919EUK+T
BrandMaxim
HK$9.911
個 (在毎卷:2500)
單位
Low Voltage Surface Mount SOT-23 Single Push-Pull 1 6µs 5 1.8 → 5.5 V 3 x 1.75 x 1.3mm 3mm 1.75mm 1.3mm 0.5mV/V
全新
RS庫存編號 189-8855
製造零件編號MAX942EUA+
BrandMaxim
HK$33.096
/個 (每包:5個)
單位
General Purpose Surface Mount μMAX Single - 2 - 8 3 V, 5 V 3.05 x 3.05 x 0.95mm 3.05mm 3.05mm 0.95mm 81.94dB
RS庫存編號 145-7758
製造零件編號TLV3012AIDCKT
HK$12.30
個 (在毎卷:250)
單位
Low Power Surface Mount SC-70 Single Push-Pull 1 - 6 3 V, 5 V 2 x 1.25 x 0.9mm 2mm 1.25mm 0.9mm 74dB
RS庫存編號 761-8383
製造零件編號LT1719IS8#PBF
HK$44.32
單位
General Purpose Surface Mount SOIC Dual, Single CMOS, TTL 1 0.0045µs 8 2.7 to 10.5 V 5.004 x 3.988 x 1.498mm 5mm 3.988mm 1.498mm 70dB
RS庫存編號 661-2643
製造零件編號LP211DR
HK$10.35
/個 (每包:5個)
單位
Low Power Surface Mount SOIC Dual, Single Open Collector/Emitter 1 1.2µs 8 5 → 28 V 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm -
RS庫存編號 761-7923
製造零件編號LT1011AIS8#PBF
HK$51.66
單位
General Purpose Surface Mount SOIC Dual, Single Open Collector 1 0.15µs 8 30 V 5.004 x 3.988 x 1.498mm 5mm 3.988mm 1.498mm 115dB
RS庫存編號 401-2215
製造零件編號BA10339
BrandROHM
HK$7.24
/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 -
全新
RS庫存編號 192-2413
製造零件編號MAX995ESD+
BrandMaxim
HK$32.202
/個 (每包:5個)
單位
Low Power Surface Mount SOIC Dual, Single Push-Pull 4 0.04µs 14 2.5 → 5.5 V 8.75 x 4 x 1.5mm 8.75mm 4mm 1.5mm 80dB
RS庫存編號 168-8624
製造零件編號LM2903WYPT
HK$1.11
個 (在毎卷:4000)
單位
Low Power Surface Mount TSSOP Dual, Single CMOS, DTL, ECL, MOS, TTL 2 1.3µs 8 2 → 36 V 4.4 x 3 x 1.05mm 4.4mm 3mm 1.05mm -
RS庫存編號 168-6881
製造零件編號TS3704IPT
HK$2.514
個 (在毎卷:2500)
單位
General Purpose Surface Mount TSSOP Dual, Single Push-Pull 4 2µs 14 3 → 15 V 5 x 4.4 x 1mm 5mm 4.4mm 1mm 80dB
RS庫存編號 756-3211
製造零件編號TC75S57F(TE85L,F)
BrandToshiba
HK$3.77
/個 (每包:5個)
單位
General Purpose Surface Mount SSOP Single Push-Pull 1 0.011µs 5 3 → 5 V 2.9 x 1.6 x 1.1mm 2.9mm 1.6mm 1.1mm -
RS庫存編號 171-5755
製造零件編號LM339FV-E2
BrandROHM
HK$1.415
個 (在毎卷:2500)
單位
- Surface Mount SSOP-B Dual, Single Open Collector 4 1µs 14 3 → 32 V 3 x 4.4 x 1.15mm 3mm 4.4mm 1.15mm -
RS庫存編號 169-0650
製造零件編號APX339TSG-13
HK$1.416
個 (在毎卷:2500)
單位
General Purpose Surface Mount TSSOP Single Open Drain 4 - 14 2.5 → 5.5 V 5.1 x 4.5 x 1.05mm 5.1mm 4.50mm 1.05mm -
RS庫存編號 911-3253
製造零件編號MIC841LYMT-T5
BrandMicrochip
HK$5.102
/個 (每包:10個)
單位
Micro Power Comparator Surface Mount TDFN Single Push-Pull 1 - 6 1.5 → 5.5 V 1.6 x 1.6 x 0.5mm 1.6mm 1.6mm 0.5mm -
RS庫存編號 732-7157
製造零件編號MAX9016AEKA+T
BrandMaxim
HK$10.70
單位
Low Power Surface Mount SOT-23 Single Open Drain 1 1.6µs 8 1.8 → 5.5 V 3 x 1.75 x 1.3mm 3mm 1.75mm 1.3mm -
RS庫存編號 732-7214
製造零件編號MAX934ESE+
BrandMaxim
HK$34.91
單位
General Purpose Surface Mount SOIC Dual, Single CMOS, TTL 4 12µs 16 2.5 → 11 V 10 x 4 x 1.5mm 10mm 4mm 1.5mm 0.2mV/V
全新
RS庫存編號 189-8826
製造零件編號MAX9201ESE+
BrandMaxim
HK$38.925
/個 (每包:2個)
單位
High Speed, Low Power Surface Mount SOIC Single Push-Pull 1 7ns 16 4.75 → 10.5 V 10 x 4 x 1.5mm 10mm 4mm 1.5mm 50µV/V
RS庫存編號 146-7002
製造零件編號BU7232FVM-TR
BrandROHM
HK$3.308
個 (在毎卷:3000)
單位
Low Voltage CMOS Surface Mount MSOP Single CMOS, Push-Pull 2 1.7µs 8 1.8 → 5.5 V 2.9 x 2.8 x 0.75mm 2.9mm 2.8mm 0.75mm 80dB