AMC1306M25 - ±250mV Reinforced Isolated Modulator | Texas Instruments
MPN: AMC1306M25DWVR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.45 | $5.45 |
| 10 | $4.9 | $49.00 |
| 100 | $4.36 | $436.00 |
| 500 | $3.92 | $1,960.00 |
| 1,000 | $3.53 | $3,530.00 |
Drop-in alternatives for AMC1306M25DWVR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AMC1306M25-Q1DWVR
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1306B25DWVR
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
AMC1306M05DWVR
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1304M25DWVR
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
AMC1204BDWVR
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1306M25DWVR Maximum Ratings & Electrical Characteristics
| Input Voltage Range | ±250 mV differential |
| Resolution | 16 bit |
| Output Data Rate | 78 kSPS at 10 MHz clock |
| Interface | CMOS bitstream (uncoded) |
| Offset Error | ±50 uV (max) |
| Offset Drift | 1 uV/C (max) |
| Gain Error | ±0.2% (max) |
| Gain Drift | ±40 ppm/C (max) |
| CMTI | 100 kV/us (typ) |
| Isolation Rating | 7000 VPEAK reinforced (VDE 0884-17) |
| Isolation Barrier | Capacitive double isolation |
| Package | 8-pin wide-body SOIC (DWV) |
| Operating Temperature | -40C to +125C |
| Mounting Type | Surface Mount |
| Typical Supply Voltage | 5 V (high side) |
| RoHS Status | Compliant |
AMC1306M25DWVR Pin Configuration
| Pin 1 | VDD1 — High-side 5 V supply |
| Pin 2 | GND1 — High-side ground reference |
| Pin 3 | INP — Positive differential input (shunt +) |
| Pin 4 | INN — Negative differential input (shunt -) |
| Pin 5 | GND2 — Low-side ground reference |
| Pin 6 | CLK — Clock input (10 MHz, low side) |
| Pin 7 | DATa — CMOS bitstream data output |
| Pin 8 | VDD2 — Low-side 3.3 V/5 V supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
AMC1306M25DWVR is suitable for 6 applications: Motor Control Phase-Current Sensing, Solar Inverter Current Measurement, Traction Inverters (Automotive EV), AC Motor Drives and PLC Analog I/O, DC Fast Charging Infrastructure, Wind and Grid Power Converters.
Motor Control Phase-Current Sensing
The AMC1306M25's ±250 mV input range and 78 kSPS output at 10 MHz clock provide the bandwidth and accuracy needed for FOC phase-current loops in industrial servo and traction drives. Its 100 kV/us typical CMTI withstands dv/dt from fast-switching IGBT and SiC stages, while the 7000 VPEAK reinforced isolation separates the control ground from the power stage. The bitstream feeds the C2000 SDFM peripheral, enabling sub-cycle current feedback; shunt-based sensing avoids bandwidth limits of hall-effect sensors.
Recommended
Solar Inverter Current Measurement
Grid-tied solar inverters require precise, isolated DC and AC current feedback to meet efficiency and safety targets. The AMC1306M25's ±0.2% max gain error and 1 uV/C max offset drift keep measurement error low across the full -40C to +125C ambient range of outdoor inverters. The capacitive isolation barrier resists magnetic interference from power magnetics, and the CMOS bitstream isolates the low-voltage controller from the 600-1000 V DC bus. Kelvin-connected shunt placement preserves the ±50 uV offset advantage.
Recommended
Traction Inverters (Automotive EV)
For EV traction inverters, the AEC-Q100 qualified AMC1306M25-Q1 variant provides the same ±250 mV input and 100 kV/us CMTI in the identical DWV package, letting one PCB serve automotive and industrial builds. Reinforced isolation per VDE 0884-17 supports functional safety isolation between the 400-800 V battery domain and the low-voltage vehicle network. High CMTI is essential next to SiC MOSFET bridges switching at 20-50 kV/us edges; the 78 kSPS stream supports high-bandwidth torque-control loops.
Recommended
AC Motor Drives and PLC Analog I/O
Industrial drives and programmable logic controller analog modules use the AMC1306M25 to measure motor line currents galvanically isolated from the controller. The ±250 mV range accommodates economical milliohm shunts at tens of amps, while the 16-bit effective resolution supports overload and torque diagnostics. Because the AMC1306 family is pin-compatible across input ranges, designers can stock one PCB footprint and populate AMC1306M25 or AMC1306M05 depending on the shunt chosen for each power rating.
Recommended
DC Fast Charging Infrastructure
DC fast chargers and onboard chargers need isolated current feedback on the high-voltage DC bus for current control, metering, and safety shutdown. The AMC1306M25's reinforced 7000 VPEAK isolation and stable ±40 ppm/C gain drift maintain measurement accuracy over wide charger temperature swings, and the CMOS bitstream output simplifies isolation of the digital domain. Its capacitive barrier is immune to the magnetic fields generated by high-power DC/DC converter transformers.
Recommended
Wind and Grid Power Converters
Wind turbine converters and grid-scale power conversion systems operate in high-noise electromagnetic environments where transformer-based isolation can corrupt measurements. The AMC1306M25's capacitive double isolation barrier is highly resistant to magnetic interference per the TI datasheet, and its 100 kV/us typical CMTI tolerates transient events during converter switching and grid faults. The 78 kSPS data rate supports protective current monitoring with adequate margin for grid-code compliance algorithms.
Recommended
Recommended Products Summary
Engineering reference data for AMC1306M25DWVR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AMC1306M25-Q1DWVR | AMC1306B25DWVR | AMC1306M05DWVR | AMC1204BDWVR |
|---|---|---|---|---|---|
| Package | 8-SOIC wide-body (DWV) | 8-SOIC wide-body (DWV) - same | 8-SOIC wide-body (DWV) - same | 8-SOIC wide-body (DWV) - same | 8-SOIC wide-body (DWV) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Input Range | ±250 mV | ±250 mV | ±250 mV | ±50 mV | ±250 mV |
| Bitstream Coding | CMOS (uncoded) | CMOS (uncoded) | Manchester coded | CMOS (uncoded) | CMOS (uncoded) |
| Offset Error (max) | ±50 uV | ±50 uV | ±50 uV | ±50 uV | [DATA_NEEDED] |
| CMTI (typ) | 100 kV/us | 100 kV/us | 100 kV/us | 100 kV/us | [DATA_NEEDED] (lower than AMC1306) |
| AEC-Q100 | Not qualified | Qualified | Not qualified | Not qualified | Not qualified |
| Lifecycle | Active | Active | Active | Active | Legacy - NRND risk, migration recommended |
Key Differentiators
- Higher CMTI than legacy AMC1204 (vs AMC1204BDWVR)
- Automotive variant in identical footprint (vs AMC1306M25-Q1DWVR)
- Uncoded CMOS interface simplifies receiver logic (vs AMC1306B25DWVR)
Design Notes
Connect the shunt resistor to INP/INN with Kelvin (4-wire) sense traces routed as a tightly coupled differential pair. Parasitic trace inductance in series with the shunt causes gain peaking and ringing at the modulator input; keep the loop area under a few square millimeters and place the AMC1306M25 within 10 mm of the shunt. Do not route power current through the sense traces.
The high-side supply directly sets offset accuracy. Decouple VDD1 with 100 nF plus 1 uF ceramics as close to pins 1-2 as possible, and generate the isolated 5 V rail with a low-noise isolated bias device such as the UCC14240 rather than a bare flyback. Avoid ground bounce between GND1 and the shunt reference point; a single-point star connection preserves the ±50 uV offset specification.
Process the DATa bitstream with the C2000 SDFM peripheral or an FPGA sinc3 filter; the clock-to-data skew must respect the datasheet setup/hold timing at 10 MHz. For long clock traces on the low side, series-terminate to control ringing. Verify CMTI margin: with SiC bridges, keep the AMC1306M25 away from gate-driver loops where dv/dt can exceed the 100 kV/us rating locally.
Compliance Information
Reinforced isolation certified per DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 per TI datasheet. AEC-Q100 qualified version available as AMC1306M25-Q1.
