Part A
AMC1200TDWVRQ1
德州儀器
- Lifecycle
- Active
- Stock
- 3480 件
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
Replacement verdict
Compatible functional replacement candidate
The AMC1200BDWV and AMC1200TDWVRQ1 are functionally compatible isolated amplifiers sharing the same core architecture, gain, and package footprint, making the automotive-qualified AMC1200TDWVRQ1 a viable replacement candidate for the industrial-grade AMC1200BDWV where AEC-Q100 qualification is required or preferred. Designers should validate the extended temperature range and qualification differences against their specific application requirements before final substitution.
Package Type
High match
Gain and Input Range
High match
Operating Temperature
Validation required
Qualification Grade
Validation required
Parts at a glance
Part B
AMC1200BDWV
德州儀器
- Lifecycle
- Active
- Stock
- 4172 件
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AMC1200BDWV | AMC1200TDWVRQ1 | Why it matters |
|---|---|---|---|
| Qualification Level | Industrial grade | AEC-Q100 automotive qualified | The Q1 variant is qualified for automotive use, which is essential for automotive applications requiring AEC-Q100 compliance. |
| Operating Temperature Range | -40°C to +105°C | -40°C to +125°C | A wider temperature range allows operation in harsher environments, particularly important for automotive and industrial applications. |
| Input Offset Voltage (max) | ±1.5 mV | ±1.5 mV | Offset voltage directly affects measurement accuracy of the isolated amplifier; matching values indicate equivalent DC accuracy. |
| Gain | 8 V/V | 8 V/V | Fixed gain determines the signal scaling; identical gain ensures the same transfer function for the isolated amplifier. |
| Isolation Voltage (VISO) | 4000 VPK | 4000 VPK | Isolation rating is critical for safety and noise immunity in high-voltage measurement applications. |
| Supply Voltage Range | 4.5 V to 5.5 V | 4.5 V to 5.5 V | Compatible supply ranges ensure the parts can be used interchangeably in the same power rail design. |
| Bandwidth | 100 kHz | 100 kHz | Bandwidth determines the maximum signal frequency the amplifier can accurately process; matching values indicate equivalent dynamic performance. |
| Package | SOIC-8 (DWV) | SOIC-8 (DWV) | Identical package and pinout allow drop-in replacement on the same PCB footprint. |
| Gain Error (max) | ±1% | ±0.5% | Lower gain error improves overall measurement accuracy; the automotive variant offers tighter gain accuracy. |
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 | AMC1200TDWVRQ1 | AMC1200BDWV |
|---|---|---|
| Series | Automotive, AEC-Q100 | - |
| Part Status | Active | Active |
| Amplifier Type | Isolation | Isolation |
| Number of Circuits | 1 | 1 |
| Output Type | Differential | Differential |
| -3 dB Bandwidth | 100 kHz | 100 kHz |
| Voltage - Input Offset | 200 µV | 200 µV |
| Supply Current | 5.4mA | 5.4mA |
| Current - Output / Channel | 20 mA | - |
| Voltage - Supply Span(Min) | 2.7 V | 2.7 V |
| Voltage - Supply Span(Max) | 5.5 V | 5.5 V |
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the AMC1200BDWV and the AMC1200TDWVRQ1?
Both devices are isolated amplifiers in the AMC1200 family with the same core function and ±250 mV input range, but they differ in grade and qualification. The AMC1200BDWV is the standard industrial-grade version in an 8-pin SOIC (DWV) package, while the AMC1200TDWVRQ1 is the automotive-qualified variant (Q1 suffix) in the same DWV package, supplied in tape-and-reel (R) form and specified over the automotive temperature range of –40°C to +125°C.
Are the AMC1200BDWV and AMC1200TDWVRQ1 functionally interchangeable in an existing design?
Functionally they share the same isolation amplifier architecture, ±250 mV input range, fixed gain of 8, and reinforced isolation rating, so the signal-chain behavior is equivalent. However, substitution must account for the automotive qualification status, temperature grade, and packaging differences of the Q1 variant; verify these against the respective datasheets before replacing one with the other in a qualified design.
What isolation rating do these devices provide?
Both the AMC1200BDWV and AMC1200TDWVRQ1 are reinforced isolated amplifiers rated for 4 kV peak (4 kVPK) isolation, with a working voltage of 1.2 kVPK and UL 1577 recognition, making them suitable for high-voltage sensing in motor drive and inverter applications.
What is the input voltage range and gain of the AMC1200 family?
The AMC1200 devices accept a differential input of ±250 mV and provide a fixed gain of 8, producing a differential output of ±2 V. This makes them well suited for shunt-resistor current sensing where a small voltage drop must be amplified and isolated.
What package and pin configuration do the AMC1200BDWV and AMC1200TDWVRQ1 use?
Both parts are offered in the 8-pin SOIC package designated DWV, with the same pinout: VDD1, VINP, VINN, VDD2, VOUTP, VOUTN, GND2, and GND1. Because the package and pinout are identical, PCB land patterns are compatible between the two variants.
What is the difference in temperature range between the two variants?
The AMC1200BDWV is specified over the industrial temperature range of –40°C to +105°C, while the AMC1200TDWVRQ1 (Q1 automotive grade) is specified over –40°C to +125°C. Designs operating near or above +105°C ambient should use the Q1 variant.
Does the AMC1200TDWVRQ1 carry automotive qualification that the AMC1200BDWV does not?
Yes. The "Q1" suffix in AMC1200TDWVRQ1 denotes an automotive-qualified device, whereas the AMC1200BDWV is the standard industrial-grade part without that automotive qualification designation. Automotive applications requiring AEC-Q100-type qualification should specify the Q1 variant.
How do the supply voltage requirements compare between the two parts?
Both devices operate from a single 5 V supply on each side (VDD1 and VDD2), with the same recommended operating conditions and supply current characteristics. The supply requirements are therefore identical between the AMC1200BDWV and AMC1200TDWVRQ1.