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. 178-4868
Mfr. Part No.AY0438-I/L
BrandMicrochip
HK$39.42
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
RS Stock No. 190-4910
Mfr. Part No.ICM7224IPL+
HK$93.813
Each (In a Tube of 10)
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. 191-3921
Mfr. Part No.ICL7129ACPL+2
HK$74.304
Each (In a Tube of 10)
units
4-1/2 7 360kHz 1.4 mA Through Hole PDIP 40 9 V 52.71 x 14.61 x 4.45mm 4.45mm 14.61mm 52.71mm +70 °C 0 °C
RS Stock No. 190-4911
Mfr. Part No.MAX1606EUA+
HK$24.739
Each (In a Tube of 50)
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. 192-1262
Mfr. Part No.ICM7211AIPL+
HK$46.978
Each (In a Tube of 10)
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. 189-7550
Mfr. Part No.MAX749CSA+
HK$31.374
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. 190-4921
Mfr. Part No.MAX749CPA+
HK$34.371
Each (In a Tube of 50)
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. 820-9410
Mfr. Part No.AD9887AKSZ-140
HK$237.26
Each
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. 160-9842
Mfr. Part No.AD9880KSTZ-150
HK$167.955
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. 820-9729
Mfr. Part No.AD9880KSTZ-150
HK$184.87
Each
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. 191-5137
Mfr. Part No.ICL7129ACPL+2
HK$80.91
Each
units
4-1/2 7 360kHz 1.4 mA Through Hole PDIP 40 9 V 52.71 x 14.61 x 4.45mm 4.45mm 14.61mm 52.71mm +70 °C 0 °C
RS Stock No. 819-5250
Mfr. Part No.AY0438T-I/L
BrandMicrochip
HK$36.02
Each (On a Reel of 500)
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 +85 °C -40 °C
RS Stock No. 190-6012
Mfr. Part No.ICM7211AMIQH+D
HK$53.85
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. 190-5949
Mfr. Part No.MAX1606EUA+
HK$28.735
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. 190-5901
Mfr. Part No.MAX749CPA+
HK$45.74
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. 757-5028
Mfr. Part No.CP2402-GM
HK$12.115
Each (In a Pack of 2)
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. 752-7341
Mfr. Part No.BU9795AGUW-E2
BrandROHM
HK$32.28
Each
units
- 31 104Hz - Surface Mount VBGA 48 3.3 V, 5 V 4 x 4 x 0.9mm 0.9mm 4mm 4mm +85 °C -40 °C
RS Stock No. 812-2486
Mfr. Part No.MM5452V/NOPB
HK$66.23
Each (In a Pack of 5)
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. 190-4908
Mfr. Part No.ICM7211AMIQH+D
HK$46.36
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. 192-1678
Mfr. Part No.ICM7211AIPL+
HK$50.92
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
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