Part A
ADS131E06IPAGR
Texas Instruments
- Lifecycle
- Active
- Stock
- 7046 PCS
- Package
- TQFP-64
- Series
- Acquisição de dados - Front End analógico (AFE)
Replacement verdict
Not a drop-in replacement
The ADS131A02IPBS and ADS131E06IPAGR are not drop-in replacements for one another. They differ in channel count, resolution, package footprint, and input architecture, so a direct board-level substitution is not feasible without redesign of the analog front end, layout, and firmware configuration.
Different channel count
Different resolution
Different package footprint
Different input architecture
Parts at a glance
Part B
ADS131A02IPBS
Texas Instruments
- Lifecycle
- Active
- Stock
- 7625 PCS
- Package
- TQFP-32
- Series
- Acquisição de dados - Front End analógico (AFE)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADS131A02IPBS | ADS131E06IPAGR | Why it matters |
|---|---|---|---|
| Number of ADC Channels | 2 | 6 | Channel count determines how many independent analog signals can be sampled simultaneously, directly affecting system architecture and whether the part can replace the other in multi-channel designs. |
| Resolution | 24 bit | 24 bit | Resolution sets the smallest signal change the ADC can resolve; both being 24-bit means comparable dynamic range and precision for the sampled signal. |
| Maximum Sample Rate | 128 kSPS | 64 kSPS | Sample rate limits the bandwidth of signals that can be captured; a higher rate supports faster or higher-frequency signals, which affects suitability for a given application. |
| Interface Type | SPI | SPI | The digital interface must match the host controller; both using SPI simplifies drop-in compatibility at the system level. |
| Supply Voltage (Analog) | 3.0 V to 3.6 V | 2.7 V to 5.25 V | Analog supply range determines compatibility with the system power rail and the achievable input signal swing; a wider range offers more design flexibility. |
| Package / Pin Count | TQFP-32 | TQFP-64 | Package and pin count affect PCB footprint and layout; different footprints mean the parts are not physically drop-in interchangeable. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +105 °C | The temperature range defines the environments in which the device can reliably operate; a wider range supports harsher industrial conditions. |
| Input Type | Differential | Differential | Differential inputs improve common-mode noise rejection; matching input topology supports similar signal conditioning and front-end design. |
| Integrated PGA | Yes | Yes | An integrated programmable gain amplifier allows small signals to be amplified before conversion, affecting sensitivity and the need for external gain stages. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADS131E06IPAGR | ADS131A02IPBS |
|---|---|---|
| Part Status | Active | Active |
| Number of Bits | 16, 24 | 24 |
| Number of Channels | 6 | 2 |
| Power (Watts) | 13.5 mW | 2.6 mW |
| Voltage - Supply, Analog | 2.7V ~ 5.25V | 3V ~ 3.45V |
| Voltage - Supply, Digital | 1.8V ~ 3.6V | 1.65V ~ 3.6V |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the primary functional differences between the ADS131A02IPBS and the ADS131E06IPAGR?
The ADS131A02IPBS is a 2-channel, simultaneous-sampling, 24-bit delta-sigma ADC with a maximum data rate of 128 kSPS, designed for energy metering, power quality, and protection applications. The ADS131E06IPAGR is a 6-channel, simultaneous-sampling, 24-bit delta-sigma ADC with a maximum data rate of 64 kSPS, targeted at biopotential measurements, industrial monitoring, and power protection. The ADS131A02IPBS offers higher per-channel throughput and a smaller channel count, while the ADS131E06IPAGR provides more input channels at a lower maximum data rate.
Are the ADS131A02IPBS and ADS131E06IPAGR pin-to-pin or package compatible?
No. The ADS131A02IPBS is supplied in a 32-pin TQFP package (PBS suffix), while the ADS131E06IPAGR is supplied in a 64-pin TQFP package (PAG suffix). The different pin counts, pin functions, and package footprints prevent direct PCB drop-in replacement without a board redesign.
Do both devices support simultaneous sampling of all input channels?
Yes. Both the ADS131A02IPBS and the ADS131E06IPAGR use simultaneous-sampling delta-sigma architectures, so all active input channels are sampled at the same instant. This preserves channel-to-channel phase relationships, which is important for power metering and multi-phase biopotential or industrial measurements.
How do the maximum data rates of the ADS131A02IPBS and ADS131E06IPAGR compare?
The ADS131A02IPBS supports a maximum data rate of 128 kSPS per channel, whereas the ADS131E06IPAGR supports a maximum data rate of 64 kSPS per channel. Designs requiring higher per-channel throughput should account for this difference when selecting between the two parts.
What are the supply voltage requirements for the ADS131A02IPBS and ADS131E06IPAGR?
Both devices operate from an analog supply (AVDD) of 3.0 V to 5.5 V and a digital supply (DVDD) of 1.8 V to 3.6 V, with an internal or external reference option. The similar supply ranges allow both parts to be used in mixed 3.3 V and 5 V systems, but the exact decoupling and reference configuration should follow the respective datasheets.
Which device is better suited for multi-channel biopotential or industrial monitoring applications?
The ADS131E06IPAGR is generally better suited for multi-channel biopotential and industrial monitoring because it provides 6 simultaneous-sampling channels in a single package, whereas the ADS131A02IPBS provides only 2 channels. For applications needing more than 2 channels, the ADS131E06IPAGR reduces component count and board space compared with using multiple ADS131A02IPBS devices.
Can the ADS131A02IPBS and ADS131E06IPAGR share the same SPI interface and reference design?
Both devices use an SPI-compatible serial interface and support internal or external voltage reference options, so the digital communication and reference topologies are similar. However, register maps, command sets, channel counts, and package pinouts differ, so firmware and schematic designs must be adapted to the specific device rather than reused unchanged.