Analog Devices

AD4080 - 20-Bit 40 MSPS SAR ADC | Analog Devices

Name: AD4080
Brand: Analog Devices
Price: 40 USD
Availability: InStock

MPN: AD4080 ✓ Active

In Stock Ships in 1-3 business days

1.8 V Vdss 49-CSPBGA (5x5 mm) Package

From $40 USD / Unit

MOQ: 1 |

Price updated: 2026-08-21

Volume Pricing

Qty	Unit Price	Extended
1	$55.99	$55.99
10	$52	$520.00
100	$48	$4,800.00
500	$44	$22,000.00
1,000	$40	$40,000.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for AD4080 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

AD4081BBCZ

✅ Drop-In

📦 49-CSPBGA (5x5 mm)

Lower sampling rate (20 MSPS) vs 40 MSPS

📋 Reference alternative (not in catalog)

AD4084BBCZ

✅ Drop-In

📦 49-CSPBGA (5x5 mm)

16-bit resolution vs 20-bit

📋 Reference alternative (not in catalog)

AD4880BBCZ

✅ Drop-In

📦 49-CSPBGA (5x5 mm)

Integrated differential ADC drivers, 40 MSPS per channel

📋 Reference alternative (not in catalog)

AD4080 Maximum Ratings & Electrical Characteristics

Resolution	20 bits
Sampling Rate	40 MSPS
Input Type	Differential
Architecture	SAR
SINAD	>90 dBFS
Number of Inputs	1
Data Interface	Serial LVDS
Package	49-CSPBGA (5x5 mm)
Operating Temperature Range	[DATA_NEEDED: operating temperature range]
Supply Voltage	1.8 V
Power Dissipation	[DATA_NEEDED: power dissipation]
INL	[DATA_NEEDED: INL]
DNL	[DATA_NEEDED: DNL]
SNR	[DATA_NEEDED: SNR]
Reference Type	Internal/External
RoHS Status	Compliant

AD4080 Pin Configuration

Pin A1	VIN+ — Positive differential analog input
Pin A2	VIN- — Negative differential analog input
Pin B1	VREF — Voltage reference input/output
Pin B2	GND — Ground
Pin C1	VDD — Power supply (1.8 V)
Pin C2	CLK+ — Positive sampling clock input
Pin D1	CLK- — Negative sampling clock input
Pin D2	LVDS+ — Positive LVDS data output
Pin E1	LVDS- — Negative LVDS data output
Pin E2	SYNC — Synchronization input
Pin F1	PDWN — Power-down control
Pin F2	RESET — Reset input

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

AD4080 is suitable for 6 applications: Medical Imaging, Industrial Automation, Scientific Instrumentation, Communications, Test and Measurement, Aerospace and Defense.

💊

Medical Imaging

The AD4080's 20-bit resolution and 40 MSPS sampling rate enable high-fidelity capture of ultrasound and MRI signals. Its low noise and high SINAD (>90 dBFS) ensure accurate representation of small amplitude variations, critical for diagnostic imaging. The Easy Drive input simplifies front-end design, reducing component count and power consumption in portable systems.

Recommended

AD4880 (Integrated driver alternative for higher channel density)

🏭

Industrial Automation

In industrial process control, the AD4080 provides precise measurement of sensor signals with 20-bit resolution. Its high sampling rate allows real-time monitoring of fast-changing parameters. The differential input rejects common-mode noise, improving accuracy in noisy factory environments. The serial LVDS interface simplifies data transfer to FPGAs or DSPs.

Recommended

AD4880 (Higher integration option with drivers)

🔧

Scientific Instrumentation

The AD4080 is ideal for scientific instruments requiring high-speed, high-resolution data acquisition, such as spectrometers and particle detectors. Its low noise and high linearity preserve signal integrity. The Easy Drive technology reduces settling artifacts, enabling accurate measurement of fast transients. The compact CSPBGA package fits space-constrained designs.

Recommended

AD4880 (Alternative with integrated drivers for simplified front-end)

🌐

Communications

In communication systems, the AD4080 digitizes wideband signals with high dynamic range. Its 40 MSPS sampling rate supports IF sampling in software-defined radios. The differential input and high SINAD ensure low distortion, preserving signal quality. The serial LVDS output reduces digital noise coupling, maintaining analog performance.

Recommended

AD4880 (Higher integration for multi-channel systems)

🔧

Test and Measurement

The AD4080 is used in high-resolution digitizers and data acquisition cards. Its 20-bit resolution and 40 MSPS sampling rate allow accurate capture of waveforms. The Easy Drive input simplifies driving circuitry, reducing design complexity. The device's low power consumption is beneficial for portable test equipment.

Recommended

AD4880 (Alternative with integrated drivers for simplified design)

✈️

Aerospace and Defense

In aerospace and defense applications, the AD4080 provides high-resolution conversion for radar and electronic warfare systems. Its wide bandwidth and high SINAD ensure accurate signal processing. The rugged CSPBGA package is suitable for harsh environments. The device's low power dissipation is critical for airborne systems.

Recommended

AD4880 (Higher integration for multi-channel radar systems)

Recommended Products Summary

AD4880 Integrated driver alternative for higher channel density Used in: Medical Imaging, Industrial Automation, Scientific Instrumentation, Communications, Test and Measurement, Aerospace and Defense

What is the AD4080?

The AD4080 is a 20-bit, 40 MSPS, differential SAR ADC from Analog Devices. It features Easy Drive technology to reduce input-dependent signal currents, achieving SINAD greater than 90 dBFS. It is available in a 49-ball CSPBGA package and is recommended for new designs.

What is the price of AD4080?

The AD4080 has a 1ku list price starting from $55.99 as of 2026-08-22. For lower quantities, the price is higher; for example, single-unit pricing is typically around $55.99. Contact distributors like DigiKey or Mouser for current pricing and availability.

Where can I buy AD4080?

The AD4080 is available from authorized distributors such as DigiKey and Mouser. The DigiKey product page for AD4080BBCZ lists it as 'Buy now, ships today.' You can also order samples directly from Analog Devices' website. Check stock availability online for immediate purchase.

What is the lead time for AD4080?

The lead time for AD4080 depends on the distributor and current stock levels. As of 2026-08-22, DigiKey shows it as 'ships today' for the AD4080BBCZ variant, indicating immediate availability. For larger quantities, lead times may vary; contact the distributor for accurate lead time information.

Is AD4080 in stock?

Yes, the AD4080BBCZ variant is in stock at DigiKey as of 2026-08-22, with 'ships today' status. Other variants may have different availability. Check distributor websites for real-time stock information.

What is the difference between AD4080 and AD4081?

The AD4080 and AD4081 are both 20-bit SAR ADCs, but the AD4081 is a lower-speed variant. The AD4080 operates at 40 MSPS, while the AD4081 has a lower sampling rate. Both share the same Easy Drive architecture and are pin-compatible in the same package, but the AD4080 offers higher throughput.

What is the difference between AD4080 and AD4084?

The AD4084 is a 16-bit SAR ADC, while the AD4080 is 20-bit. The AD4080 provides higher resolution and better SINAD performance, making it suitable for applications requiring greater precision. Both are part of the AD408x family and share similar features, but the AD4080 is designed for higher-resolution data acquisition.

When should I choose AD4080 over AD4081?

Choose the AD4080 when you need a sampling rate of 40 MSPS with 20-bit resolution. If your application requires lower sampling rates, the AD4081 may be more cost-effective. The AD4080 is ideal for high-speed, high-resolution data acquisition where the 40 MSPS throughput is essential.

What is the best drop-in replacement for AD4080?

The AD4081 is a drop-in replacement for the AD4080 if you can accept a lower sampling rate. Both are pin-compatible in the same 49-CSPBGA package. For a higher-speed alternative, consider the AD4880, which offers 40 MSPS per channel with integrated drivers, but verify pin compatibility.

Can AD4081 replace AD4080?

Yes, the AD4081 can replace the AD4080 if the lower sampling rate is acceptable. Both are pin-compatible and share the same package, making it a drop-in replacement. However, the AD4081 has a lower maximum sampling rate, so ensure it meets your system's speed requirements.

Where can I download the AD4080 datasheet PDF?

The AD4080 datasheet PDF is available from Analog Devices' website at https://www.analog.com/media/en/technical-documentation/data-sheets/ad4080.pdf. It is also hosted on Mouser and Arrow Electronics. The datasheet is 94 pages and includes full specifications, pinout, and application information.

Where can I find the AD4080 pinout?

The AD4080 pinout is detailed in the datasheet, which is available from Analog Devices and other sources. The device is in a 49-ball CSPBGA package, and the pinout diagram is provided in the datasheet. Refer to the datasheet for exact pin assignments and functions.

What are the key specifications of AD4080 that engineers should know?

The AD4080 is a 20-bit SAR ADC with a sampling rate of 40 MSPS. It features differential input, serial LVDS interface, and Easy Drive technology. It achieves SINAD greater than 90 dBFS, operates from a 1.8 V supply, and is available in a 49-CSPBGA package. These specs make it suitable for high-speed, high-resolution data acquisition.

What is the best Analog Devices equivalent for AD4080?

The AD4081 is the closest Analog Devices equivalent to the AD4080, offering the same 20-bit resolution and pin compatibility but with a lower sampling rate. For higher performance, the AD4880 provides 40 MSPS per channel with integrated drivers, but it is not pin-compatible. Verify specifications before substitution.

Hey Google, what can replace AD4080?

The AD4081 is a drop-in replacement for the AD4080, offering the same 20-bit resolution and package but with a lower sampling rate. For a higher-speed alternative, consider the AD4880, which provides 40 MSPS per channel with integrated drivers, but verify pin compatibility. Always check the datasheet for exact specifications.

Engineering reference data for AD4080 — comparison, design guidance, and compliance information.

Selection Guide

Choose the AD4080 when you need 20-bit resolution at 40 MSPS with low noise and low power. It is ideal for high-speed, high-precision data acquisition in medical imaging, industrial automation, and scientific instrumentation. If you require a lower sampling rate, the AD4081 offers a cost-effective drop-in alternative. For 16-bit applications, the AD4084 provides sufficient resolution at a lower cost. If you need integrated differential drivers to simplify the front-end, consider the AD4880, but verify pin compatibility and power consumption trade-offs. All alternatives share the same 49-CSPBGA package, allowing PCB layout reuse.

Comparison with Alternatives

Parameter	This Product	AD4081BBCZ	AD4084BBCZ	AD4880BBCZ
Package	49-CSPBGA (5x5 mm)	49-CSPBGA (5x5 mm)	49-CSPBGA (5x5 mm)	49-CSPBGA (5x5 mm)
Brand	Analog Devices	Analog Devices	Analog Devices	Analog Devices
Resolution	20 bits	20 bits	16 bits	20 bits
Sampling Rate	40 MSPS	20 MSPS	40 MSPS	40 MSPS per channel
Input Type	Differential	Differential	Differential	Differential
Data Interface	Serial LVDS	Serial LVDS	Serial LVDS	Serial LVDS
SINAD	>90 dBFS	>90 dBFS	[DATA_NEEDED]	[DATA_NEEDED]
Integrated Drivers	No	No	No	Yes

Key Differentiators

Higher sampling rate than AD4081 (vs AD4081BBCZ)
Higher resolution than AD4084 (vs AD4084BBCZ)
Easy Drive technology reduces front-end complexity (vs AD4880BBCZ)

Design Notes

The AD4080 operates from a 1.8 V supply. Ensure a clean, low-noise power source with adequate decoupling capacitors (e.g., 0.1 uF and 10 uF) placed close to the VDD pins. The Easy Drive input reduces signal-dependent current, but proper power supply filtering is still critical to achieve the specified SINAD performance.

For optimal performance, use a solid ground plane and minimize trace lengths for the differential input and clock signals. Route the LVDS output pairs with controlled impedance (100 ohm differential) and avoid crossing noisy digital traces. Follow the layout guidelines in the datasheet to minimize parasitic capacitance and inductance.

A common mistake is driving the differential input with a single-ended source without proper conversion. Use a differential driver or a balun to maintain the benefits of differential signaling. Also, ensure the sampling clock has low jitter, as clock jitter directly degrades SNR. Refer to the datasheet for recommended clock sources.