ICL7126CPL+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL7126CPL+ is a versatile and widely used analog-to-digital converter (ADC) integrated circuit. It is primarily designed for precision measurement applications, where accurate conversion of analog signals into digital data is required.

Characteristics: - High resolution: The ICL7126CPL+ offers a 3.5-digit resolution, enabling precise measurements. - Low power consumption: This IC operates on low power, making it suitable for battery-powered devices. - Wide input voltage range: It can handle input voltages ranging from -0.3V to +44V, providing flexibility in various applications. - Built-in reference voltage: The IC incorporates an internal reference voltage source, eliminating the need for an external reference.

Package: The ICL7126CPL+ is available in a 40-pin dual in-line package (DIP), which ensures easy integration onto printed circuit boards (PCBs).

Essence: The essence of the ICL7126CPL+ lies in its ability to accurately convert analog signals into digital data, facilitating precise measurements in a wide range of applications.

Packaging/Quantity: The ICL7126CPL+ is typically sold in reels or tubes containing multiple units, with each reel/tube containing 25 ICs.

Specifications

• Resolution: 3.5 digits
• Input Voltage Range: -0.3V to +44V
• Reference Voltage: Internal (2.5V)
• Conversion Time: 100ms
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: +5V DC
• Power Consumption: 10mW (typical)

Detailed Pin Configuration

The ICL7126CPL+ features a 40-pin dual in-line package (DIP) with the following pin configuration:

1. V+ (Positive Supply Voltage)
2. V- (Negative Supply Voltage)
3. AGND (Analog Ground)
4. REF HI (Reference Voltage High)
5. REF LO (Reference Voltage Low)
6. IN HI (Input Voltage High)
7. IN LO (Input Voltage Low)
8. CAP HI (Capacitor Connection High)
9. CAP LO (Capacitor Connection Low)
10. OSC OUT (Oscillator Output)
11. OSC IN (Oscillator Input)
12. TEST (Test Pin)
13. DGND (Digital Ground)
14. D0-D3 (Data Output Pins)
15. D4-D7 (Data Output Pins)
16. D8-D11 (Data Output Pins)
17. D12-D15 (Data Output Pins)
18. D16-D19 (Data Output Pins)
19. D20-D23 (Data Output Pins)
20. D24-D27 (Data Output Pins)
21. D28-D31 (Data Output Pins)
22. D32-D35 (Data Output Pins)
23. D36-D39 (Data Output Pins)
24. BUSY (Busy Indicator)
25. STBY (Standby Mode Control)
26. CLK (Clock Input)
27. ALE (Address Latch Enable)
28. RD (Read Enable)
29. WR (Write Enable)
30. INT (Interrupt Output)
31. HOLD (Hold Input)
32. RESET (Reset Input)
33. CS (Chip Select)
34. VREF OUT (Reference Voltage Output)
35. VREF ADJ (Reference Voltage Adjustment)
36. VREF IN (Reference Voltage Input)
37. VREF LO (Reference Voltage Low)
38. VREF HI (Reference Voltage High)
39. V- (Negative Supply Voltage)
40. V+ (Positive Supply Voltage)

Functional Features

The ICL7126CPL+ offers the following functional features:

1. Analog-to-Digital Conversion: It converts analog input signals into digital data with high accuracy and resolution.
2. Internal Reference Voltage: The IC incorporates an internal reference voltage source, eliminating the need for an external reference.
3. Data Output Pins: The converted digital data is available on multiple output pins, allowing easy interfacing with microcontrollers or display devices.
4. Oscillator: The built-in oscillator generates the necessary clock signal for the conversion process.
5. Standby Mode: The IC can be put into a low-power standby mode when not in use, reducing power consumption.

Advantages and Disadvantages

Advantages: - High resolution enables precise measurements. - Wide input voltage range accommodates various applications. - Low power consumption makes it suitable for battery-powered devices. - Built-in reference voltage eliminates the need for an external reference.

Disadvantages: - Limited to 3.5-digit resolution, which may not be sufficient for certain high-precision applications. - Requires additional