TLC7226INE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
TLC7226INE4 is a 4-channel 8-bit R-2R digital-to-analog converter (DAC) from Texas Instruments with a parallel input interface and offset-binary input coding. It provides an analog output voltage range of -5 V to +5 V with a maximum linearity error of 0.39% and operates from a dual power supply. Available in a 20-pin PDIP through-hole package for prototyping and industrial analog signal generation applications.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- TLC7226INE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TLC7226INE4?
- 4-channel simultaneous 8-bit DAC with R-2R ladder architecture for low-glitch multi-output analog synthesis
- Parallel 8-bit input interface with offset-binary coding for direct microprocessor bus interfacing
- Bipolar analog output range of -5 V to +5 V enables both positive and negative reference generation
- 20-pin PDIP through-hole package suited for breadboard prototyping and legacy industrial control boards
What is TLC7226INE4 used for?
TLC7226INE4 is used in industrial process control systems requiring 4 simultaneous analog output channels — such as multi-axis motor speed references, programmable analog voltage calibrators, and multi-channel test signal generators — where 8-bit resolution and a ±5 V output swing are sufficient. It also finds use in legacy audio signal processing boards, automatic test equipment, and educational laboratory instruments where through-hole PDIP packaging simplifies assembly and field repair. Its parallel microprocessor bus interface integrates directly with 8-bit MCU data buses without intermediate serial conversion.
What are the specifications of TLC7226INE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog Output Voltage-Max | 5V |
| Analog Output Voltage-Min | -5 V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | OFFSET BINARY |
| Input Format | PARALLEL, 8 BITS |
| JESD-30 Code | R-PDIP-T20 |
| JESD-609 Code | e4 |
| Linearity Error-Max (EL) | 0.3906% |
| Negative Supply Voltage-Nom | -5 V |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Settling Time-Max | 7 µs |
| Settling Time-Nom (tstl) | 7 µs |
| Supply Current-Max | 12mA |
| Supply Voltage-Nom | 15V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| 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 | 8542.39.00.40 |
Where can I find the TLC7226INE4 datasheet?
TLC7226INE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TLC7226INE4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resolution and output voltage range does TLC7226INE4 provide for industrial analog control outputs?
TLC7226INE4 provides 8-bit resolution across 256 discrete output steps, with an analog output voltage range of -5 V to +5 V (bipolar). At 8-bit resolution over a 10 V full-scale span, each LSB step corresponds to approximately 39 mV, which is appropriate for motor speed references, valve positioners, and programmable analog references in industrial control applications where sub-1% resolution is acceptable.
How does TLC7226INE4's parallel input interface connect to an 8-bit microcontroller data bus?
TLC7226INE4 accepts an 8-bit parallel data word directly on its D0–D7 inputs and uses chip-select and write-enable control lines to latch the data into the selected DAC channel. This maps directly onto an 8-bit MCU I/O port or address-decoded bus, requiring only 3 address bits to select among the 4 channels, making it simpler to interface than SPI or I2C DACs where a serial shift sequence is needed to update each channel.
For a 4-channel programmable analog voltage source used in a PCB test fixture, what linearity performance can be expected from TLC7226INE4?
TLC7226INE4 specifies a maximum linearity error of 0.3906%, equivalent to 1 LSB at 8-bit resolution over a ±5 V output range. For a production test fixture verifying analog thresholds of ±100 mV accuracy, this linearity is sufficient. For tighter accuracy below 39 mV error, a 12-bit or 16-bit DAC with external precision reference would be required.
Is TLC7226INE4 suitable for updating all 4 output channels simultaneously in a multi-axis servo control loop?
TLC7226INE4 supports independent update of each of the 4 channels via separate channel-select inputs, but updates are sequential — one channel per write cycle. At an 8 MHz microcontroller bus speed, all 4 channels can be updated in under 1 µs, which is fast enough for servo control loops running at 10 kHz to 100 kHz update rates. For truly simultaneous 4-channel updates with zero inter-channel skew, a DAC with a shared output latch register — such as the TLC7528 — would be more appropriate.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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