3 1 2 digit lcd display datasheet quotation

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The Intersil is a high performance, low power 31/2 digit, A/D converter. Included are seven segment decoders, display drivers, a reference, and a clock. The ICL7136 is designed to interface with a liquid crystal display (LCD) and includes a multiplexed backplane drive. The ICL7136 brings together a combination of high accuracy, versatility, and true economy. It features auto-zero to less than 10�V, zero drift of less than 1�V/oC, input bias current of 10pA (Max), and rollover error of less than one count. True differential inputs and reference are useful in all systems, but give the designer an uncommon advantage when measuring load cells, strain gauges and other bridge type transducers. Finally, the true economy of single power supply operation, enables a high performance panel meter to be built with the addition of only 10 passive components and a display. The is an improved version of the ICL7126, eliminating the overrange hangover and hysteresis effects, and should be used in its place in all applications. It can also be used as a plug-in replacement for the in a wide variety of applications, changing only the passive components.

First Reading Overrange Recovery in One Conversion Period Guaranteed Zero Reading for 0V Input on All Scales True Polarity at Zero for Precise Null Detection 1pA Typical Input Current True Differential Input and Reference, Direct Display Drive - LCD ICL7136 Low Noise - Less Than 15�VP-P On Chip Clock and Reference No Additional Active Circuits Required Low Power - Less Than 1mW Surface Mount Package Available Drop-In Replacement for ICL7126, No Changes Needed

REF LO REF HI CREF + CREF (1000) AB4 (MINUS) POL OSC 1 39 OSC 2 38 OSC 3 37 TEST 36 REF HI 35 REF LO 34 CREF + 33 CREF 32 COMMON LO 29 A-Z 28 BUFF 27 INT G3 21 BP/GND (100"s) NC TEST OSC 3 NC OSC 2 OSC A3 G3 BP/GND POL F3 B3

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Intersil and Design is a trademark of Intersil Americas Inc. | Copyright � Intersil Americas Inc. 2001

Supply Voltage to V-.15V Analog Input Voltage (Either Input) (Note V+ to VReference Input Voltage (Either Input). V+ to VClock Input ICL7136. TEST to V+

PDIP Package. 50 MQFP Package. 75 Maximum Junction Temperature.150oC Maximum Storage Temperature Range. to 150oC Maximum Lead Temperature (Soldering 10s). 300oC (MQFP - Lead Tips Only)

NOTES: 1. Input voltages may exceed the supply voltages provided the input current is limited JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

VIN = 0V, Full Scale = 200mV VlN = VREF , VREF = 100mV -VIN = +VlN 200mV Difference in Reading for Equal Positive and Negative Inputs Near Full Scale Full Scale 200mV or Full Scale = 2V Maximum Deviation from Best Straight Line Fit (Note 5) VCM = �1V, VIN = 0V, Full Scale = 200mV (Note 5) VIN = 0V, Full Scale = 200mV (Peak-To-Peak Value Not Exceeded 95% of Time) (Note 5) VlN = 0V (Note 5) VlN To 70oC (Note 5) VIN To 70oC, (Ext. Ref. 0ppm/�oC) (Note 5) 25k Between Common and Positive Supply (With Respect to + Supply) 25k Between Common and Positive Supply (With Respect to + Supply) (Note 5)

Scale Factor Temperature Coefficient COMMON Pin Analog Common Voltage Temperature Coefficient of Analog Common SUPPLY CURRENT V+ Supply Current DISPLAY DRIVER Peak-To-Peak Segment Drive Voltage and Peak-To-Peak Backplane Drive Voltage NOTES:

3. Unless otherwise noted, specifications apply to the = 25oC, fCLOCK ICL7136 is tested in the circuit of Figure 1. 4. Back plane drive is in phase with segment drive for "off" segment, 180 degrees out of phase for "on" segment. Frequency is 20 times conversion rate. Average DC component is less than 50mV. 5. Not tested, guaranteed by design. 6. 48kHz oscillator increases current by 20�A (Typ).

The ICL7106 and ICL 7107 are high performance, low power 3-1/2 digit A/D converters. Included are seven segment decoders, Display drivers, a reference and a clock. The ICL 7106 is designed to interface with a liquid crystal display (LCD and includes a multiplexed backplane drive; the ICL 7107 will directly drive an instrument size light emitting diode (LED) display. The ICL7106 and ICL 7107 bring together a combination of high accuracy, versatility and true economy. True differential inputs and reference are useful in all systems, but give the designer advantage when measuring load cells, strain gauges, and other Bridge type transducers. By providing the true economy of a single power supply operation, the ICL7106 enables a high performance panel meter to be built with the addition of only 10 passive components and a display.

Guaranteed Zero Reading for OV Input on All Scales True Polarity at Zero for Precise Null Detection True Differential Input and Reference, Direct Display Drive Low Noise less than 15�Vp-p On chip clock and reference Low Power Dissipation, 10mW (typ.) No Additional Active Circuits Required Available in Small Outline Surface Mount Package, 44MQFP

VIN = 0.0V, Full Scale = 200mV VIN = VREF, VREF = 100mV -VIN = +VIN 200Mv Difference In Reading for Equal Positive and Negative Inputs Near Full Scale Full Scale 200mV or Full Scale = 2V Maximum Deviation from Best straight Line fit (Note 3) VCM = 1V, VIN = 0V, Full Scale = 200mV (Note 3) VIN = 0 (Does Not Include LED Current for ICL7107) ICL7107 Only 25 k Between Common and Positive Supply ( With Respect to + Supply = 9V

Notes: 1. Input voltages may exceed the supply voltages provided the input current is limited �100�A. 2. Unless otherwise noted, specifications apply to both the ICL7106 and = +25�C, fCLOCK ICL7107 is tested in the circuit of Figure ICL7107 is tested in the circuit of Figure 2. 3. Not Tested, guaranteed by design

NTE has one of the most extensive semiconductor lines in the industry. All NTE semiconductors are guaranteed to meet or exceed original specifications. With over 4,700 NTE devices cross referenced to 384,000 industry device numbers, we"re sure you will find the item you need.

In this tutorial, I’ll explain how to set up an LCD on an Arduino and show you all the different ways you can program it. I’ll show you how to print text, scroll text, make custom characters, blink text, and position text. They’re great for any project that outputs data, and they can make your project a lot more interesting and interactive.

The display I’m using is a 16×2 LCD display that I bought for about $5. You may be wondering why it’s called a 16×2 LCD. The part 16×2 means that the LCD has 2 lines, and can display 16 characters per line. Therefore, a 16×2 LCD screen can display up to 32 characters at once. It is possible to display more than 32 characters with scrolling though.

The code in this article is written for LCD’s that use the standard Hitachi HD44780 driver. If your LCD has 16 pins, then it probably has the Hitachi HD44780 driver. These displays can be wired in either 4 bit mode or 8 bit mode. Wiring the LCD in 4 bit mode is usually preferred since it uses four less wires than 8 bit mode. In practice, there isn’t a noticeable difference in performance between the two modes. In this tutorial, I’ll connect the LCD in 4 bit mode.

Here’s a diagram of the pins on the LCD I’m using. The connections from each pin to the Arduino will be the same, but your pins might be arranged differently on the LCD. Be sure to check the datasheet or look for labels on your particular LCD:

Also, you might need to solder a 16 pin header to your LCD before connecting it to a breadboard. Follow the diagram below to wire the LCD to your Arduino:

The resistor in the diagram above sets the backlight brightness. A typical value is 220 Ohms, but other values will work too. Smaller resistors will make the backlight brighter.

In order to use a library, it needs be included in the program. Line 1 in the code below does this with the command #include . When you include a library in a program, all of the code in the library gets uploaded to the Arduino along with the code for your program.

There are 19 different functions in the LiquidCrystal library available for us to use. These functions do things like change the position of the text, move text across the screen, or make the display turn on or off. What follows is a short description of each function, and how to use it in a program.

TheLiquidCrystal() function sets the pins the Arduino uses to connect to the LCD. You can use any of the Arduino’s digital pins to control the LCD. Just put the Arduino pin numbers inside the parentheses in this order:

This function sets the dimensions of the LCD. It needs to be placed before any other LiquidCrystal function in the void setup() section of the program. The number of rows and columns are specified as lcd.begin(columns, rows). For a 16×2 LCD, you would use lcd.begin(16, 2), and for a 20×4 LCD you would use lcd.begin(20, 4).

This function clears any text or data already displayed on the LCD. If you use lcd.clear() with lcd.print() and the delay() function in the void loop() section, you can make a simple blinking text program:

Similar, but more useful than lcd.home() is lcd.setCursor(). This function places the cursor (and any printed text) at any position on the screen. It can be used in the void setup() or void loop() section of your program.

The cursor position is defined with lcd.setCursor(column, row). The column and row coordinates start from zero (0-15 and 0-1 respectively). For example, using lcd.setCursor(2, 1) in the void setup() section of the “hello, world!” program above prints “hello, world!” to the lower line and shifts it to the right two spaces:

You can use this function to write different types of data to the LCD, for example the reading from a temperature sensor, or the coordinates from a GPS module. You can also use it to print custom characters that you create yourself (more on this below). Use lcd.write() in the void setup() or void loop() section of your program.

The function lcd.noCursor() turns the cursor off. lcd.cursor() and lcd.noCursor() can be used together in the void loop() section to make a blinking cursor similar to what you see in many text input fields:

Cursors can be placed anywhere on the screen with the lcd.setCursor() function. This code places a blinking cursor directly below the exclamation point in “hello, world!”:

This function creates a block style cursor that blinks on and off at approximately 500 milliseconds per cycle. Use it in the void loop() section. The function lcd.noBlink() disables the blinking block cursor.

This function turns on any text or cursors that have been printed to the LCD screen. The function lcd.noDisplay() turns off any text or cursors printed to the LCD, without clearing it from the LCD’s memory.

This function takes anything printed to the LCD and moves it to the left. It should be used in the void loop() section with a delay command following it. The function will move the text 40 spaces to the left before it loops back to the first character. This code moves the “hello, world!” text to the left, at a rate of one second per character:

This function takes a string of text and scrolls it from right to left in increments of the character count of the string. For example, if you have a string of text that is 3 characters long, it will shift the text 3 spaces to the left with each step:

Like the lcd.scrollDisplay() functions, the text can be up to 40 characters in length before repeating. At first glance, this function seems less useful than the lcd.scrollDisplay() functions, but it can be very useful for creating animations with custom characters.

lcd.noAutoscroll() turns the lcd.autoscroll() function off. Use this function before or after lcd.autoscroll() in the void loop() section to create sequences of scrolling text or animations.

This function sets the direction that text is printed to the screen. The default mode is from left to right using the command lcd.leftToRight(), but you may find some cases where it’s useful to output text in the reverse direction:

This code prints the “hello, world!” text as “!dlrow ,olleh”. Unless you specify the placement of the cursor with lcd.setCursor(), the text will print from the (0, 1) position and only the first character of the string will be visible.

This command allows you to create your own custom characters. Each character of a 16×2 LCD has a 5 pixel width and an 8 pixel height. Up to 8 different custom characters can be defined in a single program. To design your own characters, you’ll need to make a binary matrix of your custom character from an LCD character generator or map it yourself. This code creates a degree symbol (°):

The DigiMano 1000, Pressure / Vacuum Meter is a portable digital instrument designed to measure the pressure of non-corrosive fluids and gases. The versatile instrument results in one of two engineering units on a large 3 digit LCD Display

The DigiMano 1000, Pressure / Vacuum Meter has an accuracy of 0.25 full scale. Seven models with different engineering units and pressure ranges are available.

To provide superior performance, the DigiMano 1000, Pressure / Vacuum Meter incorporates one of the latest semiconductor sensors. It is powered by one 9V alkaline battery. Optionally, an AC Adapter may be used.

This instrument is a portable easy to use 3 1/2 digit, compact sized digital light meter designed for simple one hand operation. It provides measurement in lux and fc units. The meter has a backlit LCD display, PEAK HOLD (50mS pulse light) and DATA-HOLD feature.

Panel mount digital meter with a 200mv full scale input. Annunciators for common engineering units and suitable for operation with either 5VDC or 9VDC power.