STPM32TR vs STPM33TR Comparison
Detailed side-by-side comparison of STPM32TR by STMicroelectronics and STPM33TR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STPM32TR - 2-Channel Metering AFE, 4x 24-bit Sigma-Delta ADC | STMicroelectronics
STPM32TR ✓ ActiveSTMicroelectronics
STPM33TR - Dual 24-Bit Energy Metering AFE | STMicroelectronics
STPM33TR ✓ ActiveSpecification Comparison
| Parameter | STPM32TR | STPM33TR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Battery Management | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.45 | $0.00 |
| Product Type | Energy metering AFE (ASSP) | Energy metering analog front end |
| Number of ADCs | 4 independent 24-bit sigma-delta | — |
| ADC Resolution | 24-bit | 24 bit |
| ADC Architecture | 2nd order sigma-delta | Second-order sigma-delta |
| Output Sample Frequency | 4 MHz OSF (Output Sampling Frequency) | — |
| Integrated Amplifiers | 2 PGLNA (embedded Programmable Gain LNA) | — |
| Number of Phases Measured | 2 x single phase (or 1 polyphase) | — |
| Current Sensor Support | Rogowski coil, CT, or shunt | — |
| Measurement Accuracy | 0.5% over 1:1000 dynamic range | — |
| Calculated Parameters | Active / reactive / apparent power, RMS V & I, energy | — |
| Host Interface | SPI / UART | — |
| Supply Voltage | 3.3 V typical (see datasheet) | — |
| Operating Temperature | -40 C to +85 C | — |
| Package | 24-pin QFN (4x4 mm) | 32-QFN, 5 x 5 mm |
| Mounting Type | Surface Mount | Surface mount |
| RoHS Status | Compliant (Tape & Reel suffix TR) | — |
| Metering Standards Family | IEC 62053-21 / 62053-22 / 62053-23 (typical conformance) | — |
| Family Members | STPM32, STPM33, STPM34 | — |
| Number of Single-Phase Meter Channels | — | 2 channels |
| Independent ADC Count | — | Up to 4 |
| Oscillator Frequency | — | 4 MHz |
| Embedded PGLNA Count | — | 2 |
| Supported Current Sensors | — | Rogowski coil, current transformer, or shunt current sensor |
| Measurement Type | — | DC and AC energy measurement |
| Supply Voltage Range | — | 2.95 V to 3.65 V |
| Operating Temperature Range | — | [DATA_NEEDED: Operating temperature range] |
| ADC Input Range | — | [DATA_NEEDED: ADC input voltage range] |
| Current Measurement Accuracy | — | [DATA_NEEDED: Current measurement accuracy] |
| Energy Measurement Accuracy | — | [DATA_NEEDED: Energy measurement accuracy] |
| PGLNA Gain Settings | — | [DATA_NEEDED: PGLNA programmable gain values] |
| Interface Type | — | [DATA_NEEDED: Digital interface type] |
| RoHS Compliance | — | [DATA_NEEDED: RoHS compliance status] |