AD569KP - 16-Bit Monotonic Voltage DAC | Analog Devices
N.º de pieza: AD569KP ✓ ActivoAD569KP Descripción general
A DAC converts a digital code into a proportional analog voltage, placing the AD569KP within the ADC/DAC and data-conversion hierarchy. Its voltage-segmented architecture improves monotonicity over time and temperature, while the internal high-speed buffer amplifiers provide a buffered voltage output suitable for precision control, instrumentation, robotics, and industrial feedback systems.
Three defining characteristics are its guaranteed 16-bit monotonicity, 0.01% typical nonlinearity, and 3 microsecond settling time to within ±0.001% for a full-scale step. The converter also supports 8-bit and 16-bit bus compatibility, allowing it to operate with processors that expose either an 8-bit or full 16-bit parallel data path. Four TTL/LSTTL/5 V CMOS-compatible signals control the input latches and output update: CS, LBE, HBE, and LDAC.
The AD569 uses BiMOS II construction, combining low-power CMOS logic with high-precision bipolar linear circuitry on one monolithic chip. Two internal resistor strings, selector-switch decoding logic, buffer amplifiers, and double-buffered input latches form the signal path. Voltage segmentation helps maintain 16-bit monotonicity across operating conditions, while double buffering allows the digital input register to be loaded separately from the analog output update when LDAC control is used.
Typical applications include robotics, closed-loop positioning, high-resolution instrumentation, industrial process control, test and measurement systems, and digital-to-analog signal generation. In a closed-loop actuator or positioning system, the converter translates a 16-bit command into an analog reference with fast settling and high resolution. For instrumentation, its low typical nonlinearity supports accurate signal generation without the complexity of an active filtering stage.
Layout should preserve a clean analog output path and short digital routes around the converter. Follow the pin-description table and connection guidance in the Analog Devices AD569 datasheet when assigning the parallel bus and control signals. Pay particular attention to LDAC timing because double-buffered updates can determine whether the output changes immediately or on the next update pulse.
This product record combines the manufacturer specifications, package details, drop-in family alternatives, interface guidance, and application-specific engineering context. It is intended to help engineers evaluate the AD569KP quickly while still using the manufacturer datasheet as the controlling document for pin assignments, electrical limits, and production design decisions.
Alternativas directas para AD569KP — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
AD569JPZ
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
AD569JP
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
AD569KP Valores máximos y características eléctricas
| Resolución | 16 bits |
| Converter Type | Monolithic voltage-output DAC |
| Architecture | Voltage-segmented BiMOS II |
| Typical Nonlinearity | 0.01% |
| Integral Nonlinearity | ±0.01% |
| Differential Nonlinearity | ±0.0004% |
| Settling Time | 3 us to within ±0.001% for a full-scale step |
| Monotonicity | Guaranteed 16 bits |
| Digital Interface | 8-bit and 16-bit parallel bus |
| Control Signals | CS, LBE, HBE, and LDAC |
| Control Logic Compatibility | TTL/LSTTL/5 V CMOS-compatible |
| Input Latches | Double-buffered |
| Internal Circuitry | Two resistor strings, selector switches, decoding logic, and buffer amplifiers |
| Temperature Grade | Commercial, 0°C to +70°C |
| Encapsulado | 28-pin PLCC |
| Terminal Count | 28 terminals |
| Package Body Size | 11.51 mm × 11.51 mm |
| Tipo de montaje | Surface mount |
Guía de configuración de pines de AD569KP 11.51 mm × 11.51 mm
Configuración de pines para AD569KP (encapsulado 11.51 mm × 11.51 mm). Este componente analógico presenta pines de entrada, salida y alimentación. Consulte la hoja de datos del fabricante para conocer las configuraciones de los pines de ajuste de offset, compensación y habilitación. Ideal para circuitos de acondicionamiento de señal y amplificadores.
No hay datos detallados de patillaje disponibles para AD569KP.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
AD569KP es adecuado para 6 aplicacións: Robotics and Closed-Loop Positioning, Precision Industrial Process Control, High-Resolution Test and Measurement, Digital Audio and Signal Generation, Data Acquisition and Control Cards, Programmable Power and Reference Control.
Robotics and Closed-Loop Positioning
The AD569KP fits robotics and closed-loop positioning systems because its 16-bit monotonic voltage output provides 65,536 distinct command levels across the converter range. A controller can load a position or velocity command into the parallel input latch and use LDAC to update the analog command after the data is stable. The 3 microsecond settling time to within ±0.001% of a full-scale step allows the feedback loop to respond quickly, while 0.01% typical nonlinearity limits command-gain error. The 28-pin PLCC package also supports compact industrial controller layouts without changing the converter's 16-bit parallel interface.
Recomendado
Precision Industrial Process Control
The AD569KP is suitable for industrial process-control outputs where command resolution and repeatability are important. Its guaranteed 16-bit monotonicity prevents decreases in the analog command as the digital code increases, supporting predictable actuator and test-setpoint behavior. With ±0.01% integral nonlinearity and ±0.0004% differential nonlinearity, it can represent precision reference levels for control loops. The 8-bit and 16-bit parallel bus options simplify connection to industrial controllers, while double-buffered latches permit synchronized update of multiple converter channels through LDAC.
Recomendado
High-Resolution Test and Measurement
The AD569KP can generate precise analog stimulus levels for bench instruments, calibration systems, and automated test equipment. The 16-bit conversion resolution supports finely spaced setpoints, while the 3 microsecond settling time reduces dead time after a full-scale digital transition. Differential nonlinearity of ±0.0004% helps maintain predictable code-to-voltage steps, and the buffered voltage output can drive downstream instrumentation without adding another output buffer. Double buffering separates data loading from LDAC-controlled output updates, which is useful when multiple channels must change on a common timing event.
Recomendado
Digital Audio and Signal Generation
The AD569KP can implement a high-resolution voltage-output stage for audio test equipment, programmable signal sources, and digital-to-analog conversion modules. Its voltage-segmented architecture maintains 16-bit monotonicity over time and temperature, helping preserve the ordering of small signal steps in generated waveforms. The 3 microsecond settling specification permits relatively rapid full-scale updates, and the 0.01% typical nonlinearity limits transfer-line departure. Its 8-bit parallel mode also offers a simpler interface option for systems that do not require all 16 data bits.
Recomendado
Data Acquisition and Control Cards
The AD569KP is appropriate for multichannel data-acquisition and control cards that combine parallel digital control with analog output references. Eight-bit and 16-bit bus compatibility lets the same converter family serve processors with different external data widths, and CS provides a convenient chip-select function for shared parallel buses. Using LDAC as a shared update pulse can align multiple analog outputs. The converter's voltage-segmented resistor-string design and guaranteed 16-bit monotonicity support accurate command generation, while the 28-pin PLCC package is practical for through-hole assembly on modular industrial boards.
Recomendado
Programmable Power and Reference Control
The AD569KP can provide a digital-programmable reference for power-control, bias-adjustment, and calibration subsystems. Its 16-bit monotonic output gives the controller 65,536 addressable voltage levels, enabling fine adjustments to setpoints or compensation values. The buffered output and 3 microsecond full-scale settling time allow the analog command to settle rapidly after an LDAC update. Because differential nonlinearity is limited to ±0.0004%, adjacent code increments remain closely matched, an important consideration when the output drives feedback dividers, trim networks, or precision measurement references.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para AD569KP — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | AD569JPZ | AD569JP |
|---|---|---|---|
| Package | 28-pin PLCC | 28-pin PLCC | 28-pin PLCC |
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 16 bits | 16 bits | 16 bits |
| Converter Architecture | Voltage-segmented BiMOS II | Voltage-segmented AD569 family architecture | Voltage-segmented AD569 family architecture |
| Output Type | Monotonic voltage output | Monotonic voltage output | Monotonic voltage output |
| Digital Interface | 8-bit and 16-bit parallel bus | 8-bit and 16-bit parallel bus | 8-bit and 16-bit parallel bus |
| Operating Temperature Range | 0°C to +70°C | −25°C to +85°C | −25°C to +85°C |
Diferenciadores clave
- Commercial temperature coverage (frente a AD569JPZ)
- High-resolution monotonic conversion (frente a AD569JP)
- Fast full-scale settling (frente a AD569JP)
Notas de diseño
Route the parallel data bus and CS, LBE, HBE, and LDAC control traces away from the sensitive analog output path. Keep the output connection short and place any required output-network components close to the converter pins. The internal buffers provide a low-impedance voltage output, but PCB leakage, parasitic capacitance, and nearby digital switching can still degrade precision at the 0.01% nonlinearity level.
Use LDAC deliberately because the AD569KP contains double-buffered input latches. A system requiring an immediate output change may use one latch mode, while synchronized multi-channel updates require the appropriate loading and LDAC sequence. Review the latching truth table in the Analog Devices AD569 datasheet before connecting CS, LBE, or HBE; incorrect control sequencing can produce an unintended intermediate output.
Confirm the converter's reference and supply requirements against the datasheet before designing the analog supply and digital interface. The digital control signals are compatible with TTL, LSTTL, and 5 V CMOS logic, but signal thresholds and supply sequencing still matter. Provide clean return paths and avoid sharing high-current return paths between the converter and sensitive external circuitry.
Treat the 16-bit parallel bus as a synchronous multi-bit interface and account for skew among data lines and control signals. Establish a defined data setup and hold interval around the latch event, and keep the LDAC trace short enough for predictable timing. If the converter is located far from the digital controller, buffer the digital signals appropriately rather than relying on long unrouted bus traces.
Información de cumplimiento
Compliance declarations for RoHS, REACH, lead-free status, halogen-free status, and conflict minerals were not established by the manufacturer pages included in the product record. AEC-Q100 is not applicable because the AD569 is a commercial-grade converter rather than an automotive-qualified device.
