Part A
ADS124S06IPBSR
Texas Instruments
- Lifecycle
- Active
- Stock
- 6728 Stückzahl
- Package
- TQFP-32
- Series
- Datenerfassung mit Analog to Digital Converters (ADC)
Replacement verdict
Not a drop-in replacement
The ADS124S06IPBSR and ADS1296IPAGR are not drop-in replacements for one another. The ADS124S06IPBSR is a 6-channel, 24-bit precision delta-sigma ADC with a maximum data rate of 4 kSPS, while the ADS1296IPAGR is a 6-channel, 24-bit biopotential front-end with integrated ECG/EEG features and a maximum data rate of 32 kSPS. Their differing functional architectures, package footprints, and target applications require careful validation before any substitution is considered.
Different functional architecture
Different package footprint
Different data rate
Different application focus
Parts at a glance
Part B
ADS1296IPAGR
Texas Instruments
- Lifecycle
- Active
- Stock
- 9357 Stückzahl
- Package
- TQFP-64
- Series
- Datenerfassung mit dem Analog Front End (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 | ADS124S06IPBSR | ADS1296IPAGR | Why it matters |
|---|---|---|---|
| Resolution (bits) | 24 | 24 | Both are 24-bit delta-sigma ADCs, so nominal resolution is equivalent; this is a baseline requirement for high-precision signal acquisition. |
| Number of input channels | 6 (single-ended) / 3 (differential) | 8 (differential) | Channel count determines how many signals can be digitized simultaneously; the ADS1296 offers more differential inputs, which is critical for multi-lead biopotential or multi-sensor systems. |
| Maximum sample rate (SPS) | 4 kSPS | 32 kSPS | Sample rate limits the bandwidth of signals that can be captured; the ADS1296 supports much higher throughput, enabling faster or higher-frequency measurements. |
| Integrated PGA gain range | 1 to 128 | 1 to 12 | PGA gain sets the smallest resolvable input signal; the ADS124S06 supports higher gains for very low-level sensor signals, while the ADS1296 targets moderate-gain biopotential inputs. |
| Interface type | SPI | SPI | Both use SPI, so host-side digital interfacing is compatible; this simplifies board-level redesign when substituting one for the other. |
| Supply voltage (analog) | 2.7 V to 5.25 V (AVDD) | 2.7 V to 5.25 V (AVDD) | Analog supply range affects compatibility with the system power rail; identical ranges mean both can share the same analog supply domain. |
| Integrated features | PGA, reference, oscillator, sensor excitation (IDAC) | PGA, reference, oscillator, respiration impedance measurement, lead-off detection | On-chip feature sets differ significantly; the ADS1296 includes ECG/EEG-specific functions (respiration, lead-off) not present on the ADS124S06, affecting functional substitutability. |
| Package | 32-pin TQFP (5x5 mm) | 64-pin TQFP (10x10 mm) | Package footprint and pin count differ, so the two parts are not drop-in compatible and require different PCB layouts. |
| Typical application focus | Precision sensor measurement (temperature, pressure, strain) | Biopotential acquisition (ECG, EEG, EMG) | Target applications differ; the ADS124S06 is optimized for general precision sensing while the ADS1296 is purpose-built for medical biopotential front-ends, limiting direct substitution. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADS124S06IPBSR | ADS1296IPAGR |
|---|---|---|
| Supplier | - | Texas Instruments |
| Part Status | Active | Active |
| Number of Bits | 24 | 24 |
| Number of Channels | - | 6 |
| Power (Watts) | - | 17.5 mW |
| Voltage - Supply, Analog | 2.7V ~ 5.25V | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V | 1.65V ~ 3.6V |
| Mounting Type | - | Surface Mount |
| Sampling Rate(Per Second) | 4k | - |
| Number of Inputs | 6 | - |
| Input Type | Single Ended | - |
| Data Interface | SPI | - |
| Configuration | MUX-PGA-ADC | - |
| Ratio - S / H: ADC | 0:1 | - |
| Number of A/D Converters | 1 | - |
| Architecture | Sigma-Delta | - |
| Reference Type | External, Internal | - |
| Features | PGA | - |
| Operating Temperature | -50°C ~ 125°C | - |
Frequently asked questions
What are the primary functional differences between the ADS124S06IPBSR and the ADS1296IPAGR?
The ADS124S06IPBSR is a 24-bit, 4-channel delta-sigma ADC designed for precision sensor measurement, while the ADS1296IPAGR is a 24-bit, 6-channel simultaneous-sampling delta-sigma ADC with integrated ECG/EEG front-end features. The ADS1296 integrates programmable gain amplifiers and a respiration impedance measurement path tailored for biopotential applications, whereas the ADS124S06 targets general-purpose precision sensing with a flexible input multiplexer and PGA.
Do the ADS124S06IPBSR and ADS1296IPAGR have compatible package footprints?
No. The ADS124S06IPBSR is supplied in a 32-pin TQFP package, while the ADS1296IPAGR is supplied in a 64-pin TQFP package. The differing pin counts and land patterns prevent a direct drop-in replacement without PCB redesign.
How do the channel configurations of the ADS124S06IPBSR and ADS1296IPAGR differ?
The ADS124S06IPBSR provides 4 analog input channels (configurable as 4 single-ended or 2 differential inputs) through an input multiplexer. The ADS1296IPAGR provides 6 simultaneous-sampling differential input channels. The ADS1296 architecture is intended for multi-channel biopotential acquisition where channel-to-channel phase alignment is required.
What are the maximum data rates of the ADS124S06IPBSR and ADS1296IPAGR?
The ADS124S06IPBSR supports programmable data rates up to 4 kSPS. The ADS1296IPAGR supports programmable data rates up to 32 kSPS per channel. The higher output rate of the ADS1296 suits applications requiring wider signal bandwidth, such as ECG and EEG acquisition.
Do both devices include an integrated programmable gain amplifier (PGA)?
Yes. The ADS124S06IPBSR includes an integrated low-noise PGA with selectable gains. The ADS1296IPAGR also includes integrated programmable gain amplifiers on each channel. Gain settings and input ranges should be verified against the respective manufacturer datasheets for the target configuration.
Are the ADS124S06IPBSR and ADS1296IPAGR suited to the same application categories?
No. The ADS124S06IPBSR is intended for precision sensor and industrial measurement applications such as temperature, pressure, and bridge sensing. The ADS1296IPAGR is intended for biopotential front-end applications such as ECG, EEG, and patient monitoring, where simultaneous multi-channel sampling and integrated front-end features are required.
Can the ADS124S06IPBSR be used as a substitute for the ADS1296IPAGR in an existing design?
No. The devices differ in package pin count, channel count, maximum data rate, and integrated feature set. Substitution would require schematic and PCB redesign plus revalidation against the target application requirements and the manufacturer datasheets.