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TC7109CPL
+StücklisteIC ADC 12BIT DUAL SLOPE 40DIP
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HerstellerMikrochip-Technologie
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Herstellerteil #TC7109CPL
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Paket DIP-40
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Spezifikationen
| Attribut | Wert |
| Package | Tube |
| ProductStatus | Active |
| NumberofBits | 12 |
| SamplingRate(PerSecond) | 30 |
| NumberofInputs | 1 |
| InputType | Differential |
| DataInterface | Parallel |
| Configuration | ADC |
| NumberofA/DConverters | 1 |
| Architecture | Dual Slope |
| ReferenceType | External |
| Voltage-SupplyAnalog | 5V |
| Voltage-SupplyDigital | 5V |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 40-DIP (0.600, 15.24mm) |
| SupplierDevicePackage | 40-PDIP |
Übersicht
Description
Key specifications:
- Resolution: 12 bits (±1 LSB max error).
- Inputs: Differential, with auto-zero for drift correction.
- Output: 12-bit parallel binary (with polarity and overrange signals).
- Reference: On-chip or external (200mV–3V range).
- Power Supply: ±5V for analog, +5V for digital.
Commonly used in precision measurement systems, such as digital multimeters and industrial instruments, due to its stability and noise immunity. The TC7109CPL interfaces easily with microcontrollers via its parallel output.
For detailed operation, refer to the datasheet for timing, calibration, and application notes.
Equivalent
- ICL7109CPL (Intersil/Renesas) – Nearly identical functionality.
- MAX1499 (Maxim Integrated) – 12-bit ADC with LCD drive.
- LTC1298 (Linear Tech) – 12-bit ADC, though lacks LCD driver.
For exact replacement, the ICL7109CPL is the closest match. Check datasheets for compatibility.
Features
- Resolution: 12-bit dual-slope integrating ADC for precise measurements.
- Inputs: Differential input with auto-zero for reduced noise and drift.
- Output: Multiplexed 12-bit binary output (3-state) for easy interfacing.
- Reference: On-chip voltage reference (2.8V typical).
- Clock: Requires external clock (up to 2MHz).
- Control: Handshake mode for microprocessor interfacing.
- Power: Single +5V supply operation.
- Applications: Digital panel meters, data acquisition systems.
Compact and reliable, it’s suited for high-accuracy, low-speed conversions.
Pinout
- Input: Accepts differential analog signals.
- Output: 12-bit binary or BCD, with multiplexed outputs.
- Control: Handshake signals for microprocessor interfacing.
- Reference: On-chip reference voltage.
- Clock: Requires an external oscillator (e.g., 3.58MHz crystal).
Commonly used in digital panel meters and precision measurement systems.
Application
- Industrial process control (e.g., temperature, pressure monitoring)
- Portable multimeters and bench-top test equipment
- Battery-powered devices due to low power consumption
- Automotive diagnostics (voltage/current sensing)
- Medical instrumentation (patient monitoring systems)
Its dual-slope integration ensures high accuracy, making it suitable for precision measurement systems.
Package
It features a large through-hole design for easy prototyping and is commonly used in precision measurement applications. The package dimensions are typically around 52.32mm x 13.97mm.