TC7107RCPL Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
TC7107RCPL is a 3.5-digit dual-slope ADC with integrated LED driver from Microchip, accepting analog inputs from 3.5V to 5.5V with 0.05% max linearity error. It drives 7-segment LED displays directly in a 40-pin DIP package with negative supply support. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- OBSOLETE
- Datasheet
- TC7107RCPL Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3.5-digit dual-slope ADC with 0.05% maximum linearity error for accurate panel-meter display
- Integrated LED segment driver eliminates external driver ICs, reducing BOM in portable instrument designs
- 40-pin DIP package with -4.5V negative supply support enables easy bench-instrument prototyping
Applications
TC7107RCPL is widely used in portable digital panel meters, handheld multimeters, and bench test instruments that display voltage, current, or temperature readings on 7-segment LED displays. Its on-chip dual-slope conversion and direct LED drive capability simplify PCB design for industrial and laboratory measurement equipment. The DIP-40 package and single-channel analog input make it straightforward to prototype low-cost, battery-powered measurement instruments.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog Input Voltage-Max | 5.5V |
| Analog Input Voltage-Min | 3.5V |
| Converter Type | ADC, DUAL-SLOPE |
| JESD-30 Code | R-PDIP-T40 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.05% |
| Negative Supply Voltage-Nom | -4.5 V |
| Number of Analog In Channels | 1 |
| Number of Functions | 1 |
| Output Bit Code | BINARY |
| Output Format | PARALLEL, WORD |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Voltage-Nom | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.30 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What analog input voltage range does TC7107RCPL accept, and how does linearity error affect measurement accuracy?
TC7107RCPL accepts analog inputs from 3.5V to 5.5V with a maximum linearity error of 0.05%, delivering accurate 3.5-digit readings suitable for panel meters measuring millivolt-level signals in industrial instrumentation applications.
Can TC7107RCPL directly drive a multi-digit 7-segment LED display without additional driver ICs?
Yes, TC7107RCPL integrates an LED segment driver capable of sourcing current to standard 7-segment displays across up to 3.5 display digits, removing the need for separate driver transistors or ICs and simplifying the BOM to under 10 passive components.
Why is a -4.5V negative supply required for TC7107RCPL, and how is it typically generated on a single-supply board?
The -4.5V rail biases the internal comparator and integrator to handle analog inputs near ground (0V reference) with the full 3.5-digit dynamic range. A small charge-pump IC or a dual-output DC-DC converter generates this rail from a 5V supply, adding only 1-2 passive components to the design.
How does TC7107RCPL in a 40-pin DIP compare to its CMOS counterpart when choosing between LED and LCD display systems?
TC7107RCPL drives LED displays with active current outputs and requires a -4.5V negative supply, while the companion TC7106 variant drives LCD displays with AC-square-wave outputs at lower power. For benchtop instruments with high ambient light, TC7107RCPL's 1-channel LED drive at 5V is preferable despite the extra 4.5V rail.
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