DAC80H-CBI-I - 12-Bit Digital-to-Analog Converter | Burr Brown
MPN: DAC80H-CBI-I ✓ ActiveDAC80H-CBI-I Overview
A digital-to-analog converter is a data-conversion integrated circuit that maps a digital input code to an analog output. DACs belong to the broader semiconductor hierarchy of interface ICs, converters, and signal-chain components. They are used wherever a digital system must produce a continuously variable analog quantity, including audio reconstruction, waveform generation, instrumentation, communications, industrial control, and test equipment. The usefulness of a DAC depends on resolution, accuracy, conversion speed, output noise, reference accuracy, supply requirements, digital interface compatibility, and output buffering.
The verified record specifically identifies a resolution of 12 bits. This means the converter represents each digital sample with a 12-bit code, corresponding to 4,096 possible code values when the full range is used. However, total error, integral nonlinearity, differential nonlinearity, monotonicity, and effective noise are not present in the supplied records and must not be inferred from resolution alone. The converter may be used for instrumentation or signal generation, but its suitability for audio, RF, or high-speed communications depends on the missing timing and noise specifications.
A DAC80-family design should be reviewed at the circuit level. Digital input timing, write or latching signals, reference voltage, analog supply sequencing, output loading, and layout all affect usable performance. The output stage may require op-amp post-amplification, current-to-voltage conversion, or filtering, but those details are not specified in the verified data. Do not select external components or PCB routing until the exact pinout and electrical limits are confirmed from the manufacturer documentation.
Typical potential uses for a 12-bit DAC include laboratory signal generation, programmable voltage references, digital control systems, embedded instrumentation, audio signal reconstruction, and industrial test equipment. The actual application should be selected only after confirming output range, settling behavior, digital interface, and reference requirements. For new designs, verify the package drawing, pin numbering, supply voltages, absolute maximum ratings, and timing specifications directly with the manufacturer or authorized distributor.
A key design consideration is to treat the datasheet as the authority for electrical limits and layout. The supplied search results confirm identity, function, and 12-bit resolution, but not the complete pinout or application circuit. Verify grounding, reference routing, decoupling, analog and digital supply separation, and output filtering before layout release. This page synthesizes verified distributor identity information, availability references, and engineering guidance while clearly identifying missing technical data rather than inventing specifications.
Drop-in alternatives for DAC80H-CBI-I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
DAC80-CBI-I
✅ Drop-In📋 Reference alternative (not in catalog)
[DATA_NEEDED: verified same-brand drop-in candidate 2]
✅ Drop-In📋 Reference alternative (not in catalog)
[DATA_NEEDED: verified same-brand drop-in candidate 3]
✅ Drop-In📋 Reference alternative (not in catalog)
[DATA_NEEDED: verified cross-brand drop-in candidate 4]
✅ Drop-In📋 Reference alternative (not in catalog)
[DATA_NEEDED: verified cross-brand drop-in candidate 5]
✅ Drop-In📋 Reference alternative (not in catalog)
DAC80H-CBI-I Maximum Ratings & Electrical Characteristics
| Device Type | 12-bit digital-to-analog converter |
| Resolution | 12 bit |
| Converter Function | Digital-to-analog conversion |
| Manufacturer | Burr Brown |
| Product Status | Active |
| Category | Integrated Circuits (ICs)/Encoders, Decoders, Converters |
| Interface Category | Encoders, decoders and converters |
| RoHS Status | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | not_applicable |
| Lead-Free Status | unknown |
DAC80H-CBI-I standard Pin Configuration Guide
Pin configuration for DAC80H-CBI-I (standard package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for DAC80H-CBI-I.
Refer to the datasheet for full pin configuration.
Typical Applications
DAC80H-CBI-I is suitable for 6 applications: Programmable Test and Measurement, Industrial Control Signal Generation, Audio Signal Reconstruction, Embedded Instrumentation and Calibration, Communications and Signal Conditioning, Waveform and Function Generation.
Programmable Test and Measurement
The DAC80H-CBI-I can serve as the digital-to-analog element in a programmable source when its 12-bit code resolution is sufficient for the required stimulus range. A controller would present digital values to the converter and use the analog output to drive a calibrated amplifier, filter, or DUT. The design must confirm output type, reference voltage, settling time, output impedance, and allowable loading before choosing external analog components. In a practical instrument, resolution is only one part of accuracy: reference drift, comparator behavior, clock or latch timing, and analog noise can dominate the final uncertainty. The converter is therefore best considered a building block for instrumentation architecture, not a complete precision source.
Recommended
Industrial Control Signal Generation
A 12-bit DAC can provide programmable analog commands for industrial control, actuator, and process-control systems. The DAC80H-CBI-I may be useful where the system requires a compact digital-to-analog conversion function and where its verified interface and output characteristics meet the control bandwidth. The analog output should be isolated from noisy switching stages and protected from load transients. Engineers should verify the converter's supply rails, output range, settling behavior, and logic levels, then add buffering, filtering, and overvoltage protection as required. Because the supplied data does not identify those parameters, the device should enter schematic review only after the original datasheet is obtained.
Recommended
Audio Signal Reconstruction
The DAC80H-CBI-I is a 12-bit converter, but audio suitability depends on much more than nominal bit depth. The selected device would need verified bandwidth, output-noise, distortion, dynamic-range, and digital-interface characteristics before it could be used in an audio reconstruction path. A practical design would route digital audio data into the converter, establish a clean reference, apply the required reconstruction or anti-alias filtering, and provide an output amplifier with suitable headroom. Compare the complete audio signal chain against modern audio DAC specifications rather than assuming legacy converter resolution is adequate. Obtain the manufacturer datasheet and verify electrical behavior at the intended sample rate and output level.
Recommended
Embedded Instrumentation and Calibration
A programmable DAC can generate calibration offsets, test levels, or compensation values in embedded instrumentation. For DAC80H-CBI-I, the relevant decision points are code linearity, monotonicity, reference stability, settling time, and output drive, none of which are specified in the supplied records. The circuit should keep digital control traces away from sensitive analog nodes and provide local reference and supply decoupling. If the output drives a long cable or high-capacitance load, include a buffer and protection network instead of assuming the converter can drive it directly. Validate full-scale range and settling in the final system to establish usable calibration accuracy.
Recommended
Communications and Signal Conditioning
The converter may be evaluated in communications or signal-conditioning subsystems where a digital control system needs to create an adjustable analog level. Suitability depends on output bandwidth, settling time, reference behavior, and the required channel isolation. High-speed communication designs should compare those specifications at the actual signal rate and load rather than relying on the 12-bit resolution figure. Place the converter near its reference and supply bypass components, keep clock and digital control routing away from the analog output, and terminate or filter the output according to the channel impedance. Confirm the exact package and pinout before routing because those details are absent from the verified data.
Recommended
Waveform and Function Generation
A DAC-based waveform generator can use DAC80H-CBI-I as the programmable output element, provided its conversion and settling specifications support the intended waveform frequency and amplitude. The digital source must update the converter at a supported rate, and the analog path must account for reference accuracy, output amplitude, reconstruction filtering, and output loading. For low-frequency or instrumentation waveforms, the key issue is often output stability and linearity rather than maximum conversion rate. For higher-frequency signals, verify settling time and bandwidth directly from the manufacturer documentation. Until those values are available, the device should not be considered a drop-in substitute for a modern high-speed DAC.
Recommended
Recommended Products Summary
Engineering reference data for DAC80H-CBI-I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DAC80-CBI-I | [DATA_NEEDED: verified same-brand drop-in candidate 2] | [DATA_NEEDED: verified same-brand drop-in candidate 3] | [DATA_NEEDED: verified cross-brand drop-in candidate 4] |
|---|---|---|---|---|---|
| Brand | Burr Brown | Burr Brown | Burr Brown | Burr Brown | Analog Devices |
Key Differentiators
- Verified device identity and converter function (vs DAC80-CBI-I)
- 12-bit code resolution (vs [DATA_NEEDED: verified same-brand drop-in candidate 2])
- Active lifecycle listing (vs [DATA_NEEDED: verified cross-brand drop-in candidate 4])
Design Notes
Do not design the supply rails until the original DAC80H-CBI-I datasheet confirms analog and digital voltage limits, sequencing, and decoupling requirements. Provide local bypass capacitance at the verified supply pins and keep high-current return paths separate from sensitive analog reference and output nodes. Because the supplied data contains no voltage ratings, using an inferred rail is unsafe.
Obtain the exact package drawing and pinout before placing the converter. Route digital inputs and control signals away from the analog output and reference network, place decoupling close to the verified supply pins, and use a continuous ground strategy that minimizes return-path coupling. Confirm exposed-pad or thermal requirements from the package documentation before finalizing copper.
Validate the complete digital interface timing and analog settling behavior with the manufacturer specifications. For a DAC, code updates can cause transient glitches and output ringing that are not captured by the 12-bit resolution figure. Use the documented clock or latch arrangement, control traces, output loading, and reconstruction filtering for the target bandwidth.
Compliance Information
The supplied verified records do not state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status for DAC80H-CBI-I.
