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. 178-4837
Mfr. Part No.AY0438/P
BrandMicrochip
R 57.866
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. 770-9420
Mfr. Part No.AY0438/P
BrandMicrochip
R 95.07
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. 770-9439
Mfr. Part No.AY0438-I/L
BrandMicrochip
R 85.69
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. 819-5250
Mfr. Part No.AY0438T-I/L
BrandMicrochip
R 72.172
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. 819-5257
Mfr. Part No.AY0438-I/P
BrandMicrochip
R 62.051
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. 178-4868
Mfr. Part No.AY0438-I/L
BrandMicrochip
R 78.276
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. 818-4907
Mfr. Part No.TPS65150PWP
R 46.106
Each (In a Pack of 5)
units
- - 1.38MHz - Surface Mount HTSSOP 24 1.8 → 6 V 7.9 x 4.5 x 1.05mm 1.05mm 4.5mm 7.9mm +85 °C -40 °C
RS stock no. 162-8406
Mfr. Part No.TPS65150PWP
R 38.437
Each (In a Tube of 60)
units
- - 1.38MHz - Surface Mount HTSSOP 24 1.8 → 6 V 7.9 x 4.5 x 1.05mm 1.05mm 4.5mm 7.9mm +85 °C -40 °C
RS stock no. 160-9842
Mfr. Part No.AD9880KSTZ-150
R 323.713
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. 160-8598
Mfr. Part No.AD9887AKSZ-140
R 381.111
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. 189-9372
Mfr. Part No.MAX749CSA+
R 84.87
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. 819-5248
Mfr. Part No.AY0438/L
BrandMicrochip
R 74.335
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. 812-2495
Mfr. Part No.MM5453N/NOPB
R 115.52
Each
units
4.5 32 1MHz 40 μA Through Hole PDIP 40 3 → 10 V 2.07 x 0.55 x 0.19mm 0.19mm 0.55mm 2.07mm +85 °C -40 °C
RS stock no. 190-4921
Mfr. Part No.MAX749CPA+
R 63.041
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. 185-0968
Mfr. Part No.BU9799KV-E2
BrandROHM
R 61.386
Each (In a Pack of 10)
units
- 200 104Hz 20 μA Surface Mount VQFP 64 2.5 → 5.5 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C
RS stock no. 191-5137
Mfr. Part No.ICL7129ACPL+2
R 150.43
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. 190-5936
Mfr. Part No.ICM7224IPL+
R 214.56
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. 191-3921
Mfr. Part No.ICL7129ACPL+2
R 148.90
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. 190-4908
Mfr. Part No.ICM7211AMIQH+D
R 84.975
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. 168-9921
Mfr. Part No.CP2402-GM
R 33.361
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