Part A
ADE7753ARSZRL
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3828 ПКС
- Package
- SSOP-20
- Series
- PMIC - Измерение энергии
Replacement verdict
Not a drop-in replacement
The ADE7753ARSZRL and ADE7751ARSZRL are both single-phase energy metering ICs in the same 20-lead SOIC package, but they are not drop-in replacements. The ADE7753ARSZRL integrates a programmable gain amplifier, a digital integrator for di/dt current sensing, and a serial peripheral interface, whereas the ADE7751ARSZRL provides a fixed-gain channel and a different communication interface. These architectural differences in signal conditioning, interface, and measurement functionality require design changes and firmware adaptation before substitution can be considered.
Different signal conditioning
Different communication interface
Different measurement features
Firmware redesign required
Parts at a glance
Part B
ADE7751ARSZRL
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4036 ПКС
- Package
- SSOP-24
- Series
- PMIC - Измерение энергии
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADE7753ARSZRL | ADE7751ARSZRL | Why it matters |
|---|---|---|---|
| Measurement Function | Single-phase active, reactive, and apparent energy with RMS and waveform sampling | Single-phase active and reactive energy with zero-crossing and fault detection | Defines the core metering capabilities; the ADE7753 adds apparent power and waveform sampling that the ADE7751 lacks, so they are not drop-in substitutes for those functions. |
| On-Chip Waveform Sampling / ADC Output | Yes, 16-bit ADC with waveform register access via SPI | No waveform sampling register | Waveform access enables advanced analysis and calibration; its absence in the ADE7751 limits diagnostic and harmonic applications. |
| Communication Interface | SPI (serial peripheral interface) | SPI (serial peripheral interface) | Both use SPI, so host microcontroller interfacing is similar, but register maps and command sets differ, requiring firmware changes. |
| Package | 20-lead SSOP | 20-lead SSOP | Identical package and pin count allow PCB footprint reuse, though pin functions must be verified against each datasheet. |
| Supply Voltage | 5 V nominal (4.75 V to 5.25 V) | 5 V nominal (4.75 V to 5.25 V) | Matching supply requirements simplify power design, but both still require proper decoupling and reference handling. |
| On-Chip Voltage Reference | Yes, internal 2.4 V reference | Yes, internal 2.4 V reference | Internal references reduce external component count; matching reference values aid calibration transfer between designs. |
| Energy Registers / Pulse Output | Active, reactive, apparent energy registers plus CF pulse output | Active and reactive energy registers plus CF pulse output | The ADE7753 provides apparent energy registers not present on the ADE7751, affecting billing and reporting features. |
| Fault / Zero-Crossing Detection | Zero-crossing detection and fault output available | Zero-crossing detection and fault output available | These features support tamper detection and synchronization; both devices offer them, easing functional migration. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADE7753ARSZRL | ADE7751ARSZRL |
|---|---|---|
| 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 ADE7753ARSZRL and ADE7751ARSZRL?
The ADE7753ARSZRL and ADE7751ARSZRL are both Analog Devices single-phase energy metering ICs in a 20-lead SSOP (RS-20) package supplied in tape and reel. The ADE7753 is a single-phase multifunction energy metering IC with a serial interface and on-chip digital integrator, while the ADE7751 is a single-phase energy metering IC with an on-chip oscillator and anti-tamper detection.
Can the ADE7753ARSZRL and ADE7751ARSZRL be used interchangeably in the same design?
No. Although both are 20-lead SSOP single-phase metering ICs, they are different products with different feature sets and register maps. The ADE7753 includes a digital integrator, a serial peripheral interface, and additional on-chip functions, whereas the ADE7751 provides anti-tamper detection and an on-chip oscillator. A direct substitution requires full validation against the respective datasheets and the target design.
What is the key functional difference between the ADE7753ARSZRL and ADE7751ARSZRL?
The ADE7753ARSZRL is a multifunction single-phase energy metering IC that includes a digital integrator for use with di/dt current sensors and a serial interface for reading registers. The ADE7751ARSZRL is a single-phase energy metering IC that includes anti-tamper detection and an on-chip oscillator. The ADE7753 is oriented toward flexible measurement and interface, while the ADE7751 is oriented toward tamper-resistant metering.
Do the ADE7753ARSZRL and ADE7751ARSZRL use the same package and pinout?
Both devices are offered in the same 20-lead SSOP package (RS-20 suffix) and are supplied in tape and reel (RL suffix). However, identical package and pin count do not guarantee identical pin functions. Pin assignments and functions must be verified against each device's datasheet before any layout or replacement decision.
What supply voltage do the ADE7753ARSZRL and ADE7751ARSZRL require?
Both devices operate from a single 5 V supply, consistent with the Analog Devices ADE775x single-phase metering IC family. Designers should confirm the exact supply and reference requirements in the respective datasheets, as the on-chip reference and analog input ranges are specified per device.
Which device should be selected for anti-tamper metering applications?
The ADE7751ARSZRL is the appropriate choice for anti-tamper metering, as it includes anti-tamper detection circuitry. The ADE7753ARSZRL does not include this function and is instead suited to multifunction metering with a digital integrator and serial interface. Selection should be based on the metering requirements and verified against the manufacturer datasheet.
Are the ADE7753ARSZRL and ADE7751ARSZRL RoHS compliant?
Both part numbers carry the "Z" suffix in the Analog Devices ordering code, which denotes RoHS-compliant, lead-free packaging. The "RL" suffix indicates tape-and-reel packaging. Compliance should be confirmed against the manufacturer's product page and the current datasheet ordering guide.