Part A
AD2S1210BSTZ
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 4477 個数
- Package
- LQFP-48
- Series
- データ取得 - ADC/DAC - 特殊用途向け
Replacement verdict
Compatible functional replacement candidate
The AD2S1210BSTZ and AD2S1200YST are both resolver-to-digital converters from Analog Devices sharing a common functional architecture and 44-lead LQFP footprint, making the AD2S1210BSTZ a viable functional replacement candidate for the AD2S1200YST in resolver interface applications. However, designers must validate supply voltage compatibility, temperature grade requirements, and excitation frequency configuration before committing to a drop-in substitution, as these parameters differ between the two devices.
Supply Voltage
Validation required
Package Type
High match
Operating Temperature
Validation required
Excitation Frequency
Validation required
Parts at a glance
Part B
AD2S1200YST
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 2893 個数
- Package
- LQFP-44
- Series
- データ取得 - ADC/DAC - 特殊用途向け
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD2S1210BSTZ | AD2S1200YST | Why it matters |
|---|---|---|---|
| Resolution | 10/12/14/16 bit (selectable) | 12 bit | Higher selectable resolution allows the AD2S1210 to serve applications requiring finer angular accuracy, while the AD2S1200 is fixed at 12 bit. |
| Input Signal Type | Sin/Cos differential (resolver) | Sin/Cos differential (resolver) | Both accept resolver sin/cos inputs, so the interface to the sensor is functionally equivalent. |
| Supply Voltage | 5 V analog, 5 V digital (with 3.3 V logic option) | 5 V | Supply requirements affect board-level power design and logic-level compatibility with the host controller. |
| Interface | SPI (serial) | Parallel and serial | Interface differences determine how the device connects to the host MCU/DSP and may require firmware or layout changes. |
| Max Tracking Rate | 3125 rps (at 10-bit), lower at higher resolution | 1000 rps | Tracking rate limits the maximum rotational speed the converter can follow without losing position accuracy. |
| Package | 48-lead LQFP | 44-lead LQFP | Different package footprints and pin counts prevent direct drop-in replacement without PCB redesign. |
| Operating Temperature Range | -40°C to +125°C | -40°C to +85°C | Wider temperature range makes the AD2S1210 suitable for harsher industrial or automotive environments. |
| Fault Detection / Diagnostics | Built-in fault detection (LOS, DOS, LOT, DOT) | Limited fault detection | Enhanced diagnostics improve system reliability and safety monitoring in critical motion-control applications. |
| Velocity Output | Yes (digital velocity) | Yes (digital velocity) | Both provide velocity data, which is essential for closed-loop motor control and speed regulation. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD2S1210BSTZ | AD2S1200YST |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Type | R/D Converter | R/D Converter |
| Number of Channels | 2 | 2 |
| Resolution(Bits) | 10, 12, 14, 16 b | 12 b |
| Data Interface | Serial, Parallel | Serial, Parallel |
| Voltage Supply Source | Analog and Digital | Analog and Digital |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the AD2S1210BSTZ and the AD2S1200YST?
The AD2S1210BSTZ is a 10-bit to 16-bit resolvable-to-digital converter with a parallel and serial interface, while the AD2S1200YST is a 12-bit resolvable-to-digital converter with a parallel interface. The AD2S1210BSTZ offers higher resolution and additional features such as fault detection and a programmable excitation frequency, whereas the AD2S1200YST provides a fixed 12-bit resolution and a simpler interface.
Are the AD2S1210BSTZ and AD2S1200YST pin-compatible?
No, the AD2S1210BSTZ and AD2S1200YST are not pin-compatible. The AD2S1210BSTZ is available in a 48-lead LQFP package, while the AD2S1200YST is available in a 44-lead LQFP package. The pinouts and package dimensions differ, so they cannot be used interchangeably without PCB redesign.
Can the AD2S1210BSTZ be used as a direct replacement for the AD2S1200YST?
No, the AD2S1210BSTZ cannot be used as a direct replacement for the AD2S1200YST. They have different package sizes, pin configurations, resolution capabilities, and feature sets. A direct substitution would require a new PCB layout and verification of all electrical and functional parameters against the system requirements.
What is the resolution of the AD2S1210BSTZ compared to the AD2S1200YST?
The AD2S1210BSTZ offers a selectable resolution of 10, 12, 14, or 16 bits, while the AD2S1200YST provides a fixed 12-bit resolution. The higher resolution of the AD2S1210BSTZ allows for more precise position feedback in motor control and servo applications.
Do both the AD2S1210BSTZ and AD2S1200YST support serial interfaces?
No, only the AD2S1210BSTZ supports a serial interface. The AD2S1210BSTZ includes both parallel and serial interfaces, while the AD2S1200YST provides only a parallel interface. This makes the AD2S1210BSTZ more flexible for systems with limited I/O pins.
What are the operating temperature ranges for the AD2S1210BSTZ and AD2S1200YST?
Both the AD2S1210BSTZ and AD2S1200YST are specified for the industrial temperature range of -40°C to +85°C. This makes them suitable for use in harsh industrial environments.
Which part offers integrated fault detection features?
The AD2S1210BSTZ includes integrated fault detection features such as loss of signal, loss of tracking, and degradation of signal. The AD2S1200YST does not provide these advanced diagnostic capabilities. This makes the AD2S1210BSTZ more suitable for safety-critical applications.