Part A
AD8132ARMZ
아날로그 디바이스(주)
- Lifecycle
- Active
- Stock
- 6696 PCS
- Package
- MSOP-8
- Series
- 선형 증폭기 - 계측기, 연산 증폭기, 완충 증폭기
Replacement verdict
Not a drop-in replacement
The AD8132ARMZ and AD8130ARM are not drop-in replacements for one another. Although both are differential amplifiers in the same 8-lead MSOP package, they differ fundamentally in amplifier architecture, signal bandwidth, and input bias characteristics, so the AD8130ARM cannot be substituted directly for the AD8132ARMZ without circuit redesign and validation.
Different amplifier architecture
Different bandwidth class
Different input bias current
Different supply range
Parts at a glance
Part B
AD8130ARM
아날로그 디바이스(주)
- Lifecycle
- Active
- Stock
- 2252 PCS
- Package
- TSSOP-8
- Series
- 선형 증폭기 - 계측기, 연산 증폭기, 완충 증폭기
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8132ARMZ | AD8130ARM | Why it matters |
|---|---|---|---|
| Amplifier Type | Differential Amplifier | Differential Receiver / Amplifier | Defines the core function; the AD8132 is a differential driver/amplifier while the AD8130 is a differential receiver, so they are not direct substitutes in a signal chain. |
| -3 dB Bandwidth | 350 MHz | 270 MHz | Bandwidth determines the maximum signal frequency the part can handle with acceptable gain rolloff. |
| Slew Rate | 1200 V/µs | 1090 V/µs | Slew rate limits how fast the output can respond to large signal swings, affecting distortion at high frequencies. |
| Input Voltage Noise | 8 nV/√Hz | 13 nV/√Hz | Lower input noise improves signal-to-noise ratio in sensitive analog front ends. |
| Supply Voltage Range | ±1.35 V to ±5.5 V (2.7 V to 11 V) | ±4.5 V to ±12.6 V (9 V to 25.2 V) | The supply range must match the system rail voltages; the AD8130 requires higher minimum supplies than the AD8132. |
| Supply Current per Amplifier | 10.7 mA | 11 mA | Quiescent current affects power budget and thermal design in the application. |
| Output Current | 70 mA | 40 mA | Output drive capability determines the load the amplifier can drive, such as cables or ADC inputs. |
| Package | 8-Lead MSOP | 8-Lead MSOP | Package footprint and pinout must match for board-level interchangeability; both share the same MSOP package but pin functions differ. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Temperature range confirms suitability for industrial and commercial environments. |
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 | AD8132ARMZ | AD8130ARM |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC,Analog Devices Inc. |
| Part Status | Active | Obsolete |
| Amplifier Type | Differential | Differential |
| Number of Circuits | 1 | 1 |
| Slew Rate | 1200V/µs | 1100V/µs |
| -3 dB Bandwidth | 360 MHz | 290 MHz |
| Current - Input Bias | 3 µA | 500 nA |
| Voltage - Input Offset | 1 mV | 400 µV |
| Supply Current | 12mA | 13mA |
| Current - Output / Channel | 70 mA | 40 mA |
| Voltage - Supply Span(Min) | 2.7 V | 4.5 V |
| Voltage - Supply Span(Max) | 11 V | 25.2 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Output Type | Differential | - |
Frequently asked questions
What are the fundamental differences between the AD8132ARMZ and the AD8130ARM?
The AD8132ARMZ is a high-speed, low-cost differential amplifier with an internal common-mode feedback loop, while the AD8130ARM is a high-speed, low-cost differential receiver amplifier (difference amplifier) with a fixed gain of 1. They serve different signal-chain roles: the AD8132 converts single-ended signals to differential or provides differential gain, whereas the AD8130 extracts a differential signal from a common-mode noise environment.
Are the AD8132ARMZ and AD8130ARM pin-compatible in the MSOP-8 package?
No. Although both devices are offered in an 8-lead MSOP (RM suffix), their pin functions differ. The AD8132ARMZ uses pins for -DIN, +DIN, VOCM, and output feedback, while the AD8130ARM uses pins for +IN, -IN, VREF, and a fixed-gain output stage. A direct PCB drop-in replacement is not possible without verifying the pinout against the respective datasheets.
Can the AD8132ARMZ be used as a differential receiver like the AD8130ARM?
Not directly. The AD8132ARMZ is a differential amplifier with external feedback that can be configured for differential gain, but it does not include the AD8130ARM's internal precision resistor network and high common-mode rejection architecture optimized for receiving differential signals. Using the AD8132ARMZ as a receiver requires external resistor matching and careful common-mode analysis.
How do the bandwidth specifications compare between the AD8132ARMZ and AD8130ARM?
Both are high-speed parts, but their bandwidth is specified under different conditions. The AD8132ARMZ datasheet specifies a -3 dB bandwidth of approximately 350 MHz (G = +1, differential), while the AD8130ARM specifies a -3 dB bandwidth of approximately 270 MHz (G = +1). Designers should consult the exact test conditions in each datasheet before comparing.
Which device is better suited for driving an ADC, the AD8132ARMZ or the AD8130ARM?
The AD8132ARMZ is typically used as an ADC driver because it converts single-ended signals to differential and provides adjustable gain with a dedicated VOCM pin for output common-mode setting. The AD8130ARM is a receiver/difference amplifier and is generally not the first choice for ADC driving unless the signal is already differential and unity gain is acceptable.
Do the AD8132ARMZ and AD8130ARM have the same supply voltage range?
Both devices operate from dual supplies typically in the ±2.5 V to ±5 V range (or single-supply equivalents), but the exact specified operating range and absolute maximum ratings must be verified in each product's datasheet. They are not guaranteed to have identical limits, so the supply design should be validated per device.
Is the AD8130ARM a fixed-gain device while the AD8132ARMZ is adjustable?
Yes. The AD8130ARM is a difference amplifier with an internally set gain of 1 (unity), while the AD8132ARMZ is a differential amplifier whose gain is set by external feedback resistors. This is a key architectural difference that affects circuit topology and external component count.
Can the AD8132ARMZ and AD8130ARM be used together in the same signal chain?
Yes, they can serve complementary roles. For example, the AD8132ARMZ can convert and drive a differential signal, and the AD8130ARM can receive that differential signal at a remote point while rejecting common-mode noise. This combination is common in differential signal transmission and reception architectures.