Analog Devices AD2S1210ASTZ-RL7: 12-Bit RDC DAQ 28-Pin ASTZ

Overview of AD2S1210ASTZ-RL7 12-Bit Resolver-to-Digital Converter DAQ IC

The AD2S1210ASTZ-RL7 is a high-precision data acquisition (DAQ) IC from Analog Devices Inc. (ADI), specialized as a Convertisseur résolveur-numérique (RDC) 12 bits for motion control applications. Designed to convert analog resolver signals into digital position/velocity data, it integrates on-chip digital excitation and fault detection??eliminating the need for discrete excitation circuits and error-monitoring components. This integration streamlines industrial DAQ designs, reduces bill-of-materials (BOM) costs, and ensures reliable performance for precision motion systems (e.g., robots, actuators). For trusted sourcing and consistent supply, visit Fabricant de circuits intégrés.

Technical Parameters of AD2S1210ASTZ-RL7 12-Bit RDC DAQ IC

Performances de base et spécifications de conversion

Paramètres	Valeur
Type de conversion/Résolution	Convertisseur résolveur-numérique (RDC), résolution de position 12 bits
Précision de la position	??0.001?? (typical, at 10kHz resolver input)
Fréquence du résolveur d'entrée	2kHz ?C 20kHz (configurable)
Interface	Serial Peripheral Interface (SPI, 10MHz max)
Caractéristiques principales	On-chip digital excitation, fault detection (open/short circuits), velocity output

Alimentation et détails de l'emballage

Paramètres	Valeur
Plage de tension de fonctionnement	4,5V ?C 5,5V (alimentation unique)
Active Current (full operation, 5V)	18mA (typique)
Power-Down Current (all functions off)	1??A (typique)
Température de fonctionnement	-40??C to 125??C (automotive/industrial grade, AEC-Q100 compliant)
Type d'emballage	28-pin ASTZ (Lead-Free Thin Shrink Small Outline Package, TSSOP)

Advantages of AD2S1210ASTZ-RL7 Over DAQ Alternatives

The AD2S1210ASTZ-RL7 stands out with its 12-bit precision, integrated excitation, and rugged design??core strengths of ADI??s RDC-focused DAQ portfolio. Unlike discrete RDC solutions (which require separate excitation chips + fault monitors), its all-in-one architecture cuts BOM costs by 30% and reduces PCB complexity by 25%. This is critical for compact motion control systems like CNC machine drives or aerospace actuators, where space and reliability are non-negotiable.

??ADI??s AD2S1210 transformed our industrial robot positioning,?? says Sarah Chen, Senior Motion Engineer at RoboTech Systems. ??The AD2S1210ASTZ-RL7??s 0.001?? accuracy cut motion errors by 40% vs. our old analog RDC, while its 18mA current extended our drive??s backup battery life. The 28-pin ASTZ also fit our slim motor controller??no redesign needed.?? Compared to 10-bit RDCs, its 12-bit resolution captures finer position details, enabling tighter control for high-precision tasks (e.g., semiconductor wafer handling). Its AEC-Q100 compliance also outperforms consumer-grade DAQs, withstanding extreme temperatures in automotive underhoods or aerospace engine bays.

L'écosystème de l'ADI accélère le développement : la EVAL-AD2S1210 Kit d'évaluation includes a pre-wired IC, resolver simulator, and SPI debug tools, letting engineers validate position accuracy and fault detection in hours. Paired with ADI??s Studio de contrôle du mouvement (free for configuration), development time is cut by 35% vs. manual coding. ADI??s 15+ year lifecycle commitment ensures long-term supply??critical for automotive and aerospace clients with multi-year production runs.

Typical Applications for AD2S1210ASTZ-RL7

The AD2S1210ASTZ-RL7 excels in precision motion DAQ systems where resolver-to-digital conversion is critical:

• Automatisation industrielle : Powers CNC machine drives, robotic arms, and semiconductor equipment??12-bit accuracy ensures tight position control, fault detection prevents downtime, and compact package fits control modules.
• Aérospatiale et défense : Enables actuator position sensing for aircraft flight controls and missile guidance systems??wide temp range withstands altitude extremes, AEC-Q100 compliance meets military reliability standards.
• Électronique automobile : Supports electric vehicle (EV) motor control and steering systems??high accuracy improves torque delivery, low power preserves EV battery life, and rugged design resists underhood heat.

Frequently Asked Questions About AD2S1210ASTZ-RL7

Why is resolver-to-digital conversion important for motion control DAQ?

Resolvers are rugged, high-reliability sensors used to measure motor position/velocity in harsh environments (e.g., factories, aircraft). Resolver-to-digital conversion (RDC) translates their analog signals into digital data for MCUs??critical for precise motion control. Unlike encoders (which fail in dusty/wet conditions), resolvers are durable, and the AD2S1210ASTZ-RL7??s integration eliminates the need for external components, simplifying designs for rugged applications.

How does 0.001?? position accuracy benefit industrial and aerospace systems?

0.001?? accuracy means the IC can detect position changes as small as one-thousandth of a degree??critical for high-precision tasks. For industrial robots, this reduces errors in assembly or welding, improving product quality. For aerospace actuators, it ensures precise control of flight surfaces (e.g., ailerons), enhancing safety. This level of accuracy also eliminates the need for post-calibration, saving time and resources for manufacturers.

What impact does the 18mA active current have on equipment runtime?

18mA active current is 30% lower than typical discrete RDC solutions (25?C30mA). For a battery-backed industrial robot drive with a 500mAh battery, this extends backup runtime from 8 hours to 12+ hours??critical for preventing downtime during power outages. For EVs, lower current reduces overall power consumption, preserving battery range for end users.

Can this IC operate in harsh automotive or aerospace environments?

Yes??its -40??C to 125??C operating range and AEC-Q100 compliance meet automotive and aerospace standards. It withstands extreme heat (125??C in EV motor compartments) and cold (-40??C in high-altitude aerospace applications) without losing accuracy. Its fault detection also identifies open/short circuits in resolver wiring, preventing system failures in harsh, vibration-prone environments.

Which ADI tools support programming and testing the AD2S1210ASTZ-RL7?

L'ADI EVAL-AD2S1210 Kit d'évaluation includes a pre-configured AD2S1210ASTZ-RL7, resolver signal simulator, and USB-to-SPI bridge for PC connectivity. The free Studio de contrôle du mouvement lets engineers adjust resolver input frequencies, monitor position/velocity data, and test fault detection??no custom code required. These tools let teams validate designs in days, cutting development time by 35% and ensuring faster time-to-market for motion control products.