Part A
ADE7763ARSZ
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3281 PCS
- Package
- SSOP-20
- Series
- PMIC - Energy Metering
Replacement verdict
Compatible functional replacement candidate
The ADE7763ARSZ is a higher-integration successor to the ADE7755ARSZ, sharing the same SOIC-24 footprint and single-phase energy-metering function while adding an on-chip digital integrator, temperature sensor, and enhanced calibration features. Both devices are pin-compatible in package and supply, but the ADE7763 offers extended functionality that requires firmware validation before direct substitution in existing ADE7755 designs.
Package Type
High match
Supply Voltage
High match
Output Interface
Validation required
Metering Features
Validation required
Parts at a glance
Part B
ADE7755ARSZ
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4866 PCS
- Package
- SSOP-24
- Series
- PMIC - Energy Metering
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADE7755ARSZ | ADE7763ARSZ | 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 core feature set; the ADE7763 offers multi-parameter metering while the ADE7755 is limited to active energy, so they are not functionally interchangeable for reactive/apparent power designs. |
| On-Chip Energy Registers | Active energy only | Active, reactive, and apparent energy registers | Determines which billing quantities can be accumulated in hardware without external computation. |
| RMS / Waveform Data Access | Not available | Current and voltage channel waveform sampling and RMS registers | RMS and waveform access enable power-quality monitoring and calibration features that the ADE7755 cannot provide. |
| Communication Interface | Pulse/frequency outputs (F1, F2, CF) with no serial bus | SPI-compatible serial interface plus pulse outputs | A serial bus allows a microcontroller to read registers and configure the device; the ADE7755 relies solely on pulse outputs, changing system architecture. |
| On-Chip Calibration Registers | Limited (gain/offset via external components) | Digital calibration registers for gain, offset, and phase | Digital calibration simplifies manufacturing trim and improves accuracy consistency versus hardware trimming. |
| Package | 20-lead SSOP | 20-lead SSOP | Same package footprint allows potential board-level drop-in, though pin functions differ. |
| Supply Voltage | 5 V nominal | 5 V nominal | Matching supply simplifies power design, but the internal architecture and current consumption differ. |
| On-Chip Reference | Internal 2.5 V reference | Internal 2.4 V reference | Reference voltage affects full-scale input range and calibration; differing values require recalibration when substituting. |
| Analog Input Channels | Two current channels and one voltage channel | Two current channels and one voltage channel (with PGA) | Channel count is similar, but the ADE7763 adds programmable gain amplifiers, affecting sensor interface design. |
| Typical Application | Basic single-phase energy meters | Advanced single-phase meters with power-quality and multi-energy measurement | Application scope indicates substitutability: the ADE7763 targets higher-feature meters, while the ADE7755 suits cost-sensitive basic metering. |
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 | ADE7763ARSZ | ADE7755ARSZ |
|---|---|---|
| Part Status | Active | Active |
| Input Impedance | 390kOhm | 390kOhm |
| Measurement Error | 0.1% | 0.1% |
| Voltage - I / O High | 2.4V | 2.4V |
| Voltage - I / O Low | 0.8V | 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 ADE7755ARSZ and ADE7763ARSZ energy metering ICs?
The ADE7755ARSZ is a single-phase, bidirectional energy metering IC with a pulse output proportional to active power, while the ADE7763ARSZ is a single-phase energy metering IC with an on-chip digital integrator, a serial SPI-compatible interface, and support for both active and apparent power measurement. The ADE7763ARSZ provides more advanced features including a 24-bit sigma-delta ADC architecture and a temperature sensor, whereas the ADE7755ARSZ uses a simpler pulse-frequency output approach.
Are the ADE7755ARSZ and ADE7763ARSZ pin-compatible?
No. Both devices are offered in a 20-lead SSOP package, but their pin functions differ. The ADE7755ARSZ provides pulse outputs (F1, F2) and a calibration frequency output (CF), while the ADE7763ARSZ provides an SPI-compatible serial interface (MOSI, MISO, SCLK, CS) and different signal input pins. A direct drop-in replacement is not possible without PCB redesign.
What is the output interface of each device?
The ADE7755ARSZ provides low-frequency pulse outputs (F1 and F2) for active power and a higher-frequency calibration pulse output (CF). The ADE7763ARSZ provides a bidirectional SPI-compatible serial interface for reading energy registers, along with a pulse output (CF) for calibration.
Do both devices support active power measurement?
Yes. Both the ADE7755ARSZ and ADE7763ARSZ are designed for active power (watt) measurement in single-phase applications. The ADE7763ARSZ additionally supports apparent power (VA) measurement through its on-chip processing, while the ADE7755ARSZ is limited to active power and pulse output.
What is the supply voltage range for the ADE7755ARSZ and ADE7763ARSZ?
Both devices operate from a single 5 V supply. The ADE7755ARSZ and ADE7763ARSZ are specified for operation with a nominal supply of 5 V, consistent with their datasheet specifications for the ARSZ grade in the 20-lead SSOP package.
Which device is better suited for applications requiring digital communication with a microcontroller?
The ADE7763ARSZ is better suited because it includes an SPI-compatible serial interface that allows a microcontroller to read energy registers and configure the device. The ADE7755ARSZ only provides pulse outputs, so a microcontroller would need to count pulses to derive energy data.
Do both devices include an on-chip digital integrator?
No. The ADE7763ARSZ includes an on-chip digital integrator that allows direct connection of a di/dt current sensor (such as a Rogowski coil) without external components. The ADE7755ARSZ does not include a digital integrator and is intended for use with shunt or current transformer sensors.
Are the ADE7755ARSZ and ADE7763ARSZ both available in the same package type?
Yes. Both the ADE7755ARSZ and ADE7763ARSZ are offered in a 20-lead SSOP (Shrink Small Outline Package). The "ARSZ" suffix in both part numbers indicates the SSOP package and the RoHS-compliant industrial temperature grade.