Part A
ADE7753ARSZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4461 Stückzahl
- Package
- SSOP-20
- Series
- PMIC-Energiemessung
Replacement verdict
Compatible functional replacement candidate
The ADE7753ARSZ is a functional upgrade candidate for the ADE7751ARSZ, sharing the same 20-lead SOIC footprint and single-phase energy metering architecture while adding waveform sampling and a serial interface. Designers should validate register-level firmware compatibility and confirm the added SPI interface is accommodated before adopting it as a drop-in substitute.
Package Type
High match
Supply Voltage Range
High match
Communication Interface
Validation required
Measurement Features
Validation required
Parts at a glance
Part B
ADE7751ARSZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 7666 Stückzahl
- Package
- SSOP-24
- Series
- PMIC-Energiemessung
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADE7751ARSZ | ADE7753ARSZ | Why it matters |
|---|---|---|---|
| Measurement Function | Single-phase active energy (Wh) only | Single-phase active, reactive, and apparent energy plus RMS and waveform sampling | Defines the fundamental feature set; the ADE7753 provides reactive/apparent energy and waveform access that the ADE7751 lacks, so it is not a drop-in for those functions. |
| On-Chip Waveform/Sample Register | Not available | Available (waveform sampling register with HSDC output) | Waveform sampling enables harmonic analysis and calibration features; its absence in the ADE7751 limits metering capability. |
| Reactive Energy Measurement | Not supported | Supported | Reactive energy is required for many utility billing and power-quality applications; the ADE7751 cannot provide it. |
| Interface Type | SPI-compatible serial interface (fixed function registers) | SPI-compatible serial interface with extensive register set | Both use SPI, but the ADE7753 exposes many more registers for configuration and data access, affecting firmware compatibility. |
| Package | 20-lead SSOP | 20-lead SSOP | Identical package and pin count allow PCB footprint compatibility, easing hardware substitution. |
| Supply Voltage | 5 V single supply | 5 V single supply | Matching supply requirements mean the same power rail can be reused without redesign. |
| On-Chip Calibration / Digital Integrator | Limited calibration registers | Extensive on-chip calibration (gain, phase, offset) and digital integrator | Richer calibration in the ADE7753 improves accuracy and simplifies production trimming, but requires different firmware handling. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Identical temperature ratings ensure equivalent environmental robustness for industrial and metering use. |
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 | ADE7753ARSZ | ADE7751ARSZ |
|---|---|---|
| Part Status | Active | Active |
| Input Impedance | 390kOhm | 390kOhm |
| Measurement Error | 0.1% | 0.1% |
| Voltage - I / O High | 2.4V | 2.4V, 4V, 4.5V |
| Voltage - I / O Low | 0.8V | 0.5V, 0.8V |
| Supply Current | 3mA | 3mA |
| Voltage - Supply | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V |
| Meter Type | Single Phase | Single Phase |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the ADE7751ARSZ and ADE7753ARSZ?
The ADE7751ARSZ is a single-phase energy metering IC with a pulse output and no serial interface, while the ADE7753ARSZ is a single-phase energy metering IC with an SPI-compatible serial interface, on-chip digital integrator, and additional features such as line voltage and current RMS readings. Both are supplied in a 20-lead SSOP package.
Are the ADE7751ARSZ and ADE7753ARSZ pin-compatible?
No. Although both devices are housed in a 20-lead SSOP package, their pin functions differ. The ADE7753ARSZ provides an SPI serial interface and additional signal pins that are not present on the ADE7751ARSZ, so the two devices are not pin-for-pin interchangeable.
Can the ADE7751ARSZ be replaced directly by the ADE7753ARSZ in an existing design?
Not directly. The ADE7753ARSZ requires SPI communication for configuration and data readout, whereas the ADE7751ARSZ provides a pulse output without a serial interface. A replacement requires firmware, PCB, and system-level redesign and must be validated against the respective manufacturer datasheets.
What communication interface does each device provide?
The ADE7751ARSZ provides a frequency pulse output for energy accumulation and does not include a serial data interface. The ADE7753ARSZ includes an SPI-compatible serial interface for accessing on-chip registers, energy data, and measurement results.
Do both devices support active energy measurement?
Yes. Both the ADE7751ARSZ and ADE7753ARSZ are designed for single-phase active energy measurement. The ADE7753ARSZ additionally provides access to instantaneous and RMS measurement data through its serial interface.
What package do the ADE7751ARSZ and ADE7753ARSZ use?
Both devices are offered in a 20-lead SSOP (Shrink Small Outline Package). The "ARSZ" suffix in both part numbers denotes the SSOP package and RoHS-compliant construction per the manufacturer's ordering information.
Which device is better suited for a design requiring digital access to metering data?
The ADE7753ARSZ is better suited because it provides an SPI-compatible serial interface that allows a microcontroller to read energy registers and measurement data. The ADE7751ARSZ provides only a pulse output and does not support serial data access.