LCD Drivers

How does LCD (Liquid Crystal Display) driver work?

LCD is an array of liquid crystal segments. When not in an electrical field, crystals are organized in a random pattern, however, once the electric field is applied, the crystals align to the field. For driving a light through the aligned crystal field a light source is needed.

Passive and Active LCD Displays, what is the difference?

Passive LCD panels or STN LCDs consists of a grid of row and columns electrical signals. There is no charge stored at the segment and it may take multiple passes to correctly align the field to the desired value.

Active LCD drivers or TFT displays columns and rows are multiplexed to many different segments. The charge is stored at the transistor. One pass will set the aligned state of the transistor. A stronger backlight is needed than for a passive display.

Advantages of LCD displays
• LCD displays produce bright images because of their high peak intensity and they are suitable for environments that are brightly lit
• The durability of 50 thousand - 100 thousand hours
• Almost every industry uses them: military, consumer, medical, automotive, industrial and marine

Before you choose an LCD Driver, consider the requirements of your application and which types of displays are available to buy. With the right selection, RS Components can help to create the perfect LCD display module for your product.

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Description Price Number of Digits Number of Segments Maximum Clock Frequency Maximum Supply Current Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Height Width Length Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 190-5936
Mfr. Part No.ICM7224IPL+
kr 102,99
Each
Units
4-1/2 - 19kHz 50 μA Through Hole PDIP 40 5 V 52.71 x 14.61 x 4.45mm 4.45mm 14.61mm 52.71mm +85 °C -20 °C
RS Stock No. 770-9420
Mfr. Part No.AY0438/P
BrandMicrochip
kr 27,965
Each (In a Pack of 2)
Units
4 32 1.5MHz 60 μA Through Hole PDIP 40 3 to 8.5 V 2.095 x 0.58 x 0.195in 4.95mm 0.58in 53.21mm +70 °C 0 °C
RS Stock No. 190-6012
Mfr. Part No.ICM7211AMIQH+D
kr 49,35
Each (In a Pack of 2)
Units
4 7 19kHz 50 μA Surface Mount PLCC 44 5 V 16.66 x 16.66 x 1.53mm 1.53mm 16.66mm 16.66mm +85 °C -20 °C
RS Stock No. 819-5248
Mfr. Part No.AY0438/L
BrandMicrochip
kr 36,335
Each (In a Tube of 27)
Units
4 32 1.5MHz 60 μA Surface Mount PLCC 44 3 to 8.5 V 0.656 x 0.656 x 0.158in 4.01mm 0.656in 16.66mm +70 °C 0 °C
RS Stock No. 190-5949
Mfr. Part No.MAX1606EUA+
kr 26,32
Each (In a Pack of 2)
Units
- - 500kHz 320 μA Surface Mount μMAX 8 2.4 → 5.5 V 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm 3.1mm +85 °C -40 °C
RS Stock No. 160-8598
Mfr. Part No.AD9887AKSZ-140
kr 199,433
Each (In a Tray of 24)
Units
- - 170MHz 46 mA Surface Mount MQFP 160 3.3 V 28.2 x 28.2 x 3.6mm 3.6mm 28.2mm 28.2mm +70 °C 0 °C
RS Stock No. 192-1678
Mfr. Part No.ICM7211AIPL+
kr 49,005
Each (In a Pack of 2)
Units
4 28 0.016MHz - Through Hole PDIP 40 5 V 52.58 x 13.97 x 3.81mm 3.81mm 13.97mm 52.58mm +85 °C -20 °C
RS Stock No. 145-1297
Mfr. Part No.MM5452V/NOPB
kr 40,521
Each (In a Tube of 25)
Units
4.5 32 1MHz 40 μA Surface Mount PLCC 44 3 → 10 V 16.66 x 16.66 x 4.06mm 4.06mm 16.66mm 16.66mm +85 °C -40 °C
RS Stock No. 819-5257
Mfr. Part No.AY0438-I/P
BrandMicrochip
kr 29,292
Each (In a Tube of 10)
Units
4 32 1.5MHz 60 μA Through Hole PDIP 40 3 to 8.5 V 2.07 x 0.557 x 0.205in 5.21mm 0.557in 52.58mm +85 °C -40 °C
RS Stock No. 189-7550
Mfr. Part No.MAX749CSA+
kr 33,042
Each (In a Tube of 100)
Units
- - - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 4mm 5mm +70 °C 0 °C
RS Stock No. 190-5901
Mfr. Part No.MAX749CPA+
kr 41,925
Each (In a Pack of 2)
Units
- - 500kHz 60 μA Through Hole PDIP 8 2 → 6 V 9.91 x 7.87 x 4.45mm 4.45mm 7.87mm 9.91mm +70 °C 0 °C
RS Stock No. 189-9372
Mfr. Part No.MAX749CSA+
kr 45,665
Each (In a Pack of 2)
Units
- - - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 4mm 5mm +70 °C 0 °C
RS Stock No. 168-9921
Mfr. Part No.CP2402-GM
kr 11,419
Each (In a Tube of 73)
Units
- 64 25MHz 0.79 mA Surface Mount TQFN 32 3.3 V 5 x 5 x 1.05mm 1.05mm 5mm 5mm +85 °C -40 °C
RS Stock No. 185-1036
Mfr. Part No.BU97931FV-E2
BrandROHM
kr 18,824
Each (In a Pack of 5)
Units
- 112 - 48 μA Surface Mount SSOP 40 1.8 → 3.6 V, 2.7 → 5.5 (LCD) V 13.6 x 5.4 x 1.8mm 1.8mm 5.4mm 13.6mm +85 °C -40 °C
RS Stock No. 171-4097
Mfr. Part No.BU9796AMUV-E2
BrandROHM
kr 5,10
Each (On a Reel of 2500)
Units
- 48 768Hz 1 μA Surface Mount VQFN 24 2.5 → 5.5 V 4 x 4 x 1mm 1mm 4mm 4mm +85 °C -40 °C
RS Stock No. 178-4837
Mfr. Part No.AY0438/P
BrandMicrochip
kr 27,966
Each (In a Tube of 10)
Units
4 32 1.5MHz 60 μA Through Hole PDIP 40 3 → 8.5 V 2.095 x 0.58 x 0.195in 4.95mm 0.58in 53.21mm +70 °C 0 °C
RS Stock No. 160-9842
Mfr. Part No.AD9880KSTZ-150
kr 161,886
Each (In a Tray of 90)
Units
- - 150MHz 330 mA Surface Mount LQFP 100 3.3 V 14 x 14 x 1.45mm 1.45mm 14mm 14mm +70 °C 0 °C
RS Stock No. 770-9439
Mfr. Part No.AY0438-I/L
BrandMicrochip
kr 41,57
Each
Units
4 32 1.5MHz 60 μA Surface Mount PLCC 44 3 to 8.5 V 0.656 x 0.656 x 0.083in 2.11mm 0.656in 16.66mm +85 °C -40 °C
RS Stock No. 190-4908
Mfr. Part No.ICM7211AMIQH+D
kr 46,129
Each (In a Tube of 28)
Units
4 7 19kHz 50 μA Surface Mount PLCC 44 5 V 16.66 x 16.66 x 1.53mm 1.53mm 16.66mm 16.66mm +85 °C -20 °C
RS Stock No. 178-4868
Mfr. Part No.AY0438-I/L
BrandMicrochip
kr 38,207
Each (In a Tube of 27)
Units
4 32 1.5MHz 60 μA Surface Mount PLCC 44 3 → 8.5 V 0.656 x 0.656 x 0.083in 2.11mm 0.656in 16.66mm +85 °C -40 °C
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