Part A
ADS1260BIRHBR
Texas Instruments
- Lifecycle
- Active
- Stock
- 6816 Stückzahl
- Series
- Datenerfassung mit Analog to Digital Converters (ADC)
Replacement verdict
Not a drop-in replacement
The ADS1260BIRHBR and ADS1283BIRHFR are both high-resolution delta-sigma ADCs, but they differ fundamentally in resolution, input architecture, package footprint, and target application domain. The ADS1260BIRHBR offers 32-bit resolution with a flexible multiplexed input and integrated PGA, while the ADS1283BIRHFR is a 31-bit seismic-grade converter with a fixed differential input and different package and pinout. These differences in resolution, input configuration, package, and application focus mean the two devices are not functionally interchangeable without redesign.
Different resolution
Different input architecture
Different package footprint
Different application focus
Parts at a glance
Part B
ADS1283BIRHFR
Texas Instruments
- Lifecycle
- Active
- Stock
- 6401 Stückzahl
- Package
- VFQFN-24
- Series
- Datenerfassung mit Analog to Digital Converters (ADC)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADS1260BIRHBR | ADS1283BIRHFR | Why it matters |
|---|---|---|---|
| Resolution (bits) | 32 | 31 | Resolution determines the smallest signal change the ADC can distinguish; a 32-bit vs 31-bit delta affects dynamic range and low-level measurement capability. |
| Number of input channels | 5 (4 differential + 1 single-ended) | 2 (differential) | Channel count defines how many sensors or signal sources can be connected; the ADS1260 supports more inputs, enabling multi-sensor designs without external multiplexing. |
| Maximum sample rate | 40 kSPS | 4 kSPS | Sample rate sets the bandwidth of signals that can be captured; higher rates suit faster-changing signals and oversampling, while lower rates favor high-resolution seismic or precision DC measurements. |
| Input type / architecture | Delta-sigma with integrated PGA | Delta-sigma with integrated PGA | Both use delta-sigma conversion with programmable gain, but the ADS1260 targets general-purpose precision sensing while the ADS1283 is optimized for seismic/energy exploration with different noise and filter characteristics. |
| Interface | SPI | SPI | Both use SPI for host communication, so the digital interface is compatible, but register maps and command sets differ, requiring firmware changes for substitution. |
| Supply voltage (analog) | 5 V (analog), 2.7–5.25 V (digital) | 5 V (analog), 1.8–3.3 V (digital) | Supply requirements affect board-level power design; differing digital I/O voltages mean level shifting or regulator changes may be needed when swapping parts. |
| Package | VQFN-32 (5x5 mm) | VQFN-24 (4x4 mm) | Package footprint and pinout must match for a drop-in replacement; different package sizes and pin counts require PCB redesign. |
| Operating temperature range | -40°C to +125°C | -40°C to +85°C | Temperature range determines suitability for harsh environments; the wider range of the ADS1260 supports industrial and automotive applications where the ADS1283 may not be rated. |
| Target application focus | General-purpose precision sensor measurement | Seismic and energy exploration data acquisition | Application focus reflects differences in noise performance, filter design, and feature set; substituting one for the other may compromise system-level performance in the intended use case. |
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 | ADS1260BIRHBR | ADS1283BIRHFR |
|---|---|---|
| Supplier | - | Texas Instruments |
| Part Status | Active | Active |
| Number of Bits | 24 | 31 |
| Sampling Rate(Per Second) | - | 128k |
| Number of Inputs | 5 | 2 |
| Input Type | Differential, Single Ended | Differential |
| Data Interface | SPI | SPI |
| Configuration | MUX-PGA-ADC | MUX-PGA-ADC |
| Ratio - S / H: ADC | - | 0:1 |
| Number of A/D Converters | - | 1 |
| Architecture | Sigma-Delta | Sigma-Delta |
| Reference Type | External, Internal | External |
| Voltage - Supply, Analog | 4.75V ~ 5.25V | 2.15V ~ 5.25V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V | 1.65V ~ 3.6V |
| Features | PGA | PGA |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 85°C |
| Base Product Number | ADS1260 | - |
| Sampling Rate (Per Second) | 40k | - |
| Number of A / D Converters | 1 | - |
| Mounting Type | Surface Mount | - |
| Packaging | Cut Tape (CT), Tape & Reel (TR) | - |
Frequently asked questions
What are the primary differences between the ADS1260BIRHBR and ADS1283BIRHFR?
The ADS1260BIRHBR is a 32-bit, 5-channel delta-sigma ADC with an integrated PGA, offering data rates up to 38.4 kSPS and specified for a supply range of 4.75 V to 5.25 V (analog) with a 2.5 V reference option. The ADS1283BIRHFR is a 32-bit, single-channel delta-sigma ADC optimized for seismic and energy exploration applications, featuring a programmable gain of 1 to 64, data rates up to 4 kSPS, and a specified operating temperature range of -40°C to +85°C. The ADS1260BIRHBR is packaged in a 40-pin VQFN (RHB) while the ADS1283BIRHFR is in a 24-pin VQFN (RHF).
Are the ADS1260BIRHBR and ADS1283BIRHFR pin-to-pin or package compatible?
No. The ADS1260BIRHBR uses a 40-pin VQFN (RHB) package, while the ADS1283BIRHFR uses a 24-pin VQFN (RHF) package. The pin counts, pin functions, and PCB land patterns differ, so they are not direct drop-in replacements.
Can the ADS1260BIRHBR and ADS1283BIRHFR be used interchangeably in a design?
No. They differ in channel count (5 vs. 1), maximum data rate (38.4 kSPS vs. 4 kSPS), package (40-pin RHB vs. 24-pin RHF), and target application (general-purpose multi-channel sensing vs. seismic/energy exploration). A redesign and revalidation would be required to substitute one for the other.
What are the maximum data rates of the ADS1260BIRHBR and ADS1283BIRHFR?
The ADS1260BIRHBR supports data rates up to 38.4 kSPS. The ADS1283BIRHFR supports data rates up to 4 kSPS. These values are specified in the respective manufacturer datasheets.
How many input channels does each device provide?
The ADS1260BIRHBR provides 5 input channels (configurable as differential or single-ended inputs through its input multiplexer). The ADS1283BIRHFR is a single-channel delta-sigma ADC.
Do both devices include a programmable gain amplifier (PGA)?
Yes. The ADS1260BIRHBR integrates a PGA with selectable gains. The ADS1283BIRHFR also includes a PGA with programmable gain settings from 1 to 64. Exact gain ranges and settings should be confirmed in the respective datasheets.
What are the specified operating temperature ranges for these ADCs?
The ADS1260BIRHBR is specified over the -40°C to +125°C temperature range. The ADS1283BIRHFR is specified over the -40°C to +85°C temperature range. These ranges are stated in the manufacturer datasheets.
Which device is better suited for seismic or energy exploration applications?
The ADS1283BIRHFR is specifically designed and specified for seismic and energy exploration applications, with a single-channel architecture and data rates up to 4 kSPS. The ADS1260BIRHBR is a general-purpose multi-channel ADC and is not positioned by the manufacturer for seismic exploration.