DAC1232LIN/NOPB Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The DAC1232LIN/NOPB is a Texas Instruments 12-bit digital-to-analog converter in a 20-pin DIP package, offering microprocessor-compatible parallel interface with double-buffered input registers and 5 V to 15 V supply range. Available in stock worldwide.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- DAC1232LIN/NOPB Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of DAC1232LIN/NOPB?
- 12-bit resolution DAC with double-buffered input registers for simultaneous update of multiple DAC outputs in system designs
- Microprocessor-compatible parallel interface supporting direct connection to 8-bit and 16-bit data buses without external glue logic
- Wide 5 V to 15 V supply range in a 20-pin DIP package for compatibility with both classic and modern analog signal chains
What is DAC1232LIN/NOPB used for?
The DAC1232LIN/NOPB is used in industrial process control systems, programmable power supplies, and audio signal generation where 12-bit output resolution of 1 part in 4096 is required. Its double-buffered architecture allows a microprocessor to load a new value without disturbing the current output until a software-triggered update, critical in multi-axis motor control and waveform generation. The DIP package also makes it suitable for prototyping and educational boards where through-hole mounting simplifies assembly.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the DAC1232LIN/NOPB datasheet?
DAC1232LIN/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for DAC1232LIN/NOPB?
Compatible alternatives and drop-in replacements for DAC1232LIN/NOPB:
D/A Converter, 1 Func, Parallel, 8 Bits Input Loading, 1us Settling Time, PDIP20
Frequently Asked Questions
What resolution does DAC1232LIN/NOPB provide, and how does 12-bit accuracy translate to output voltage steps?
The DAC1232LIN/NOPB offers 12-bit resolution, producing 4096 distinct output steps. With a 5 V reference, each LSB corresponds to approximately 1.22 mV, enabling precise analog output control in programmable power supply and sensor calibration applications where sub-5 mV resolution is required.
How does the double-buffered input register architecture of DAC1232LIN/NOPB benefit multi-channel DAC update timing?
The double-buffer architecture stores the next output value in an input register while the current value remains on the analog output. A single LDAC strobe pin simultaneously transfers all buffered values to the output latches, enabling glitch-free synchronized updates across multiple DAC channels within 1 µs of the LDAC edge.
For a legacy industrial controller using a 5 V TTL data bus, how does DAC1232LIN/NOPB interface directly without additional components?
DAC1232LIN/NOPB accepts TTL-compatible input logic levels on its 12 data pins and chip-select lines, allowing direct connection to a 5 V 8-bit or 12-bit microprocessor bus. The 20-pin DIP footprint fits standard 0.6-inch IC sockets, and no external level translators or interface buffers are needed for systems running at 5 V, simplifying the interface to under 5 external passive components.
What supply voltage range does DAC1232LIN/NOPB support, and can it operate from a 12 V single-supply in an industrial design?
The device supports supply voltages from 5 V to 15 V, making 12 V single-supply operation straightforward for 4 mA to 20 mA industrial current-loop transmitters. At 12 V supply with a 10 V reference, the 12-bit output spans 0 V to 10 V in 2.44 mV steps, meeting the resolution requirements of most industrial process control setpoints.
When is DAC1232LIN/NOPB a practical choice over a modern SPI DAC in a new board design?
DAC1232LIN/NOPB is preferred when the host processor has an available parallel bus and the design requires zero SPI firmware overhead, such as in legacy 8051 or Z80-based controllers with latched address buses. The parallel interface also reduces DAC update latency to a single bus write cycle of 100 ns at 10 MHz bus frequency, versus 3 to 4 SPI clock cycles per byte. For DIP-based prototyping or repair-and-maintain scenarios, through-hole availability is an additional practical advantage.
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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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