ICL7106IPL 3.5-Digit LCD A/D Converter | Maxim
N.º da peça: ICL7106IPL ✓ AtivoICL7106IPL Visão geral
An ADC converts an analog voltage into a digital numerical representation. In the ICL7106, the conversion result is intended for a multiplexed LCD rather than a directly driven LED instrument display. The integration of the display drivers and reference circuit makes the device suitable for digital panel meters, laboratory instruments, handheld meters, weighing systems, and other equipment where a stable numeric readout is required.
The principal function of the ICL7106IPL is measurement conversion combined with display control. Its 3 1/2-digit format is designed for applications where a signed or otherwise bounded numerical range is sufficient. The device includes polarity and digit drivers, segment decoders, a voltage reference, and a clock circuit, allowing the measurement system to operate without separate display-driver circuitry.
The ICL7106 architecture uses a successive integration conversion technique associated with this family of low-power metering ICs. This approach is suited to relatively slow measurements where low power, good linearity, and display integration are more important than high sampling rates. The converter’s high input impedance helps reduce loading of the signal source, while the integrated reference supports repeatable measurement results when paired with appropriate external input, reference, and display networks.
The ICL7106 family is commonly associated with digital voltmeters, current meters, panel meters, laboratory measurement equipment, and embedded instrumentation. A typical design provides the analog input to the converter, uses external components to set the measurement range and reference, and connects the converter to a multiplexed LCD. The ICL7106 variant is particularly appropriate when the display is an LCD; ICL7107 is generally identified with LED-display applications.
When designing a circuit around ICL7106IPL, verify the package pinout and display interface against the manufacturer datasheet before assigning PCB tracks. Input filtering, reference decoupling, display glass compatibility, and the external component values for range and timing determine practical measurement performance. Because the available manufacturer page confirms the family function but does not state the complete ICL7106IPL electrical limits in the retrieved material, check the current datasheet for operating voltage, conversion timing, input range, and absolute maximum ratings.
This product page combines the confirmed ICL7106 family architecture, the available official product-page information, and clearly identified cross-reference candidates. The comparison and selection notes emphasize package and pin compatibility, while the application guidance focuses on practical use of a low-power 3 1/2-digit LCD measurement system.
Alternativas drop-in para ICL7106IPL — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ICL7106IPL (mesmo formato e footprint) — diferindo em Input Impedance.
ICL7106CPL+
✅ Drop-InConsulte o preço
Ver ficha técnica →ICL7106CPLZ
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ICL7106CPL+
✅ Drop-InConsulte o preço
Ver ficha técnica →ICL7106IPL Classificações máximas e características elétricas
| Product Type | 3 1/2-digit analog-to-digital converter with LCD display driver |
| Resolução | 3 1/2 digits |
| Display Interface | Multiplexed liquid crystal display (LCD) |
| Integrated Functions | Seven-segment decoders, display drivers, voltage reference, and clock |
| Input Impedance | High input impedance |
Guia de Configuração de Pinos do ICL7106IPL standard
Configuração de pinos para ICL7106IPL (pacote standard). Este componente analógico possui pinos de entrada, saída e alimentação. Consulte o datasheet do fabricante para configurações de offset null, compensação e pino de enable. Ideal para circuitos de condicionamento de sinal e amplificadores.
Nenhum dado detalhado de pinagem disponível para ICL7106IPL.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
ICL7106IPL é adequado para 6 aplicaçãos: Digital Panel Meter, Digital Voltmeter, Laboratory Measurement Instrument, Handheld Digital Meter, Temperature Measurement Panel, Industrial Process Readout.
Digital Panel Meter
The ICL7106IPL is well suited to a digital panel meter because it combines a 3 1/2-digit A/D converter with LCD segment and digit drive circuitry in one package. A typical design routes the measured voltage into the converter, establishes the measurement range with external input components, and connects the display outputs to a multiplexed LCD. The integrated reference and clock reduce the number of separate support components. The available manufacturer material confirms the LCD-focused architecture, although the exact input range, conversion timing, and component values should be selected from the current datasheet rather than assumed.
Recomendado
Digital Voltmeter
For a digital voltmeter, the ICL7106IPL provides a compact measurement path from analog input to LCD numerical display. The converter’s high input impedance helps minimize disturbance of the measured source, while the internal reference supports repeatable operation when paired with a properly designed input and reference network. External resistors and capacitors are commonly used to establish range, filtering, and conversion behavior. Confirm the converter’s full-scale input, common-mode limits, reference accuracy, and recommended PCB layout against the manufacturer application circuit before finalizing the analog front end.
Recomendado
Laboratory Measurement Instrument
The ICL7106IPL can form the readout section of a low-power laboratory instrument where a stable three-and-a-half-digit LCD display is preferred over a multiplexed display requiring additional driver ICs. Integrating the seven-segment decoders, digit drivers, reference, and clock reduces board complexity and assembly effort. Because laboratory instruments often need defined accuracy, input protection, calibration range, and long-term stability, designers should use the manufacturer’s recommended external network and verify the applicable operating and temperature ratings for the exact ICL7106IPL suffix.
Recomendado
Handheld Digital Meter
A handheld meter benefits from the ICL7106 family’s combination of low-power operation and integrated display functionality. The ICL7106IPL can convert a conditioned measurement signal and directly control a compatible multiplexed LCD, helping the designer minimize the number of components in a portable instrument. Battery-powered designs should still be evaluated for total board consumption, including external reference, input, and display-support components. Use the datasheet’s power-supply and timing recommendations and confirm that the LCD remains readable across the intended temperature range.
Recomendado
Temperature Measurement Panel
The ICL7106IPL is appropriate for a temperature measurement panel when the sensor or conditioning circuit produces an analog voltage proportional to temperature. The converter can display that value through a multiplexed LCD while its internal reference, clock, and display drivers reduce the number of additional active devices. The practical accuracy of the complete panel depends on sensor linearity, input-network design, reference accuracy, display resolution, and calibration method. Select external components and verify the ADC input range using the manufacturer datasheet rather than scaling values without those constraints.
Recomendado
Industrial Process Readout
The ICL7106IPL can support an industrial process readout where a local numerical LCD is needed near a sensor or control point. Its integrated LCD drive and reference reduce the component count compared with a discrete converter-plus-display solution, while the 3 1/2-digit format is adequate for many scaled measurements. Industrial use requires attention to input transients, grounding, reference stability, environmental temperature, and the electrical ratings of the exact suffix. Review the manufacturer’s recommended protection and filtering arrangements before applying the converter directly to a process signal.
Recomendado
Dados de referência de engenharia para ICL7106IPL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ICL7106CPL | ICL7106CPLZ | ICL7106CPL+ |
|---|---|---|---|---|
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Converter Type | 3 1/2-digit A/D converter | 3 1/2-digit A/D converter | 3 1/2-digit A/D converter | 3 1/2-digit A/D converter |
| Display Interface | Multiplexed LCD | Multiplexed LCD | Multiplexed LCD | Multiplexed LCD |
| Integrated Display Decoder | Yes | Yes | Yes | Yes |
| Internal Reference | Yes | Yes | Yes | Yes |
| Internal Clock | Yes | Yes | Yes | Yes |
| Input Impedance | High input impedance | High input impedance | High input impedance | High input impedance |
Principais diferenciais
- Native multiplexed LCD integration (vs ICL7107 family devices)
- Reduced display subsystem component count (vs Discrete ADC and display-driver implementation)
- High input impedance for meter front ends (vs Lower-impedance discrete measurement front ends)
Notas de projeto
Assign PCB connections only from the manufacturer pinout for the exact ICL7106IPL package and suffix. Keep the analog input path short, separate it from display drive traces where practical, and place the input and reference components close to their associated pins. The integrated display drivers reduce external circuitry, but a clean analog return and controlled reference node remain important for measurement stability.
Do not treat ICL7106 and ICL7107 as interchangeable display devices. The ICL7106 is intended for LCD drive, while the ICL7107 is associated with LED display drive. Also verify that the selected C, CPL, CPLZ, CPL+, or IPL ordering code has the required package and temperature grade; cross-reference search results alone do not establish exact drop-in equivalence.
Use the manufacturer’s specified supply range and decoupling arrangement for the exact ICL7106IPL suffix. Because the integrated reference and clock support the conversion system, unstable or poorly decoupled power can affect both the display and measurement result. Confirm supply limits, absolute maximum ratings, and recommended capacitor values from the current datasheet before applying the converter to a new design.
Design the LCD connections for the intended glass and segment arrangement, including the required backplane connections for a multiplexed display. Check whether unused display outputs require termination or specific test conditions in the datasheet. Keep switching or high-current traces away from the analog input and reference network to reduce conversion errors visible on the panel meter.
Informações de conformidade
The retrieved product information does not state compliance details for the exact ICL7106IPL ordering code. Verify current RoHS, REACH, lead-free, halogen-free, and conflict-minerals documentation with the manufacturer before production release.
