AD4083BCPZ - 16-Bit 40MSPS SAR ADC | Analog Devices
MPN: AD4083BCPZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $44.94 | $44.94 |
| 10 | $42 | $420.00 |
| 100 | $38 | $3,800.00 |
| 500 | $34 | $17,000.00 |
| 1,000 | $30 | $30,000.00 |
Drop-in alternatives for AD4083BCPZ — 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:
AD4083BBCZ
✅ Drop-In📋 Reference alternative (not in catalog)
AD4086BCPZ
✅ Drop-In✓ In Stock
$19 / Unit
View Datasheet →AD7384-4BCPZ
✅ Drop-In✓ In Stock
$11.05 / Unit
View Datasheet →AD7383-4BCPZ
✅ Drop-In✓ In Stock
$30.5 / Unit
View Datasheet →AD4052BCPZ
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →AD4083BCPZ Maximum Ratings & Electrical Characteristics
| Resolution | 16 bits |
| Sampling Rate | 40 MSPS |
| Architecture | SAR |
| Number of Inputs | 1 |
| Input Type | Single-ended |
| SINAD | > 90 dBFS |
| Analog Supply Voltage | 1.8 V |
| Digital Supply Voltage | 1.8 V |
| Power Dissipation | < 100 mW at 40 MSPS |
| Integrated Reference Buffer | Yes |
| Integrated LDO Regulators | Yes |
| FIFO Size | 16K |
| Package | 49-CSPBGA (5x5 mm) |
| Operating Temperature Range | -40°C to +125°C |
| Lifecycle Status | Active (Recommended for New Designs) |
AD4083BCPZ Pin Configuration
| Pin A1 | AVDD — Analog supply voltage (1.8V) |
| Pin A2 | AVSS — Analog ground |
| Pin A3 | VREF — Reference voltage input |
| Pin A4 | REFBUF — Reference buffer output |
| Pin A5 | AIN — Analog input |
| Pin B1 | DVDD — Digital supply voltage (1.8V) |
| Pin B2 | DGND — Digital ground |
| Pin B3 | SCLK — Serial clock input |
| Pin B4 | SDI — Serial data input |
| Pin B5 | SDO — Serial data output |
| Pin C1 | CS — Chip select (active low) |
| Pin C2 | BUSY — Busy indicator output |
| Pin C3 | FIFO_RDY — FIFO ready output |
| Pin C4 | RESET — Reset input |
| Pin C5 | PD — Power-down 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
AD4083BCPZ is suitable for 6 applications: Medical Ultrasound, Radar Systems, High-Speed Data Acquisition, Communications, Industrial Data Acquisition, Test and Measurement.
Medical Ultrasound
The AD4083BCPZ is ideal for medical ultrasound systems due to its 16-bit resolution, 40 MSPS sampling rate, and low noise (SINAD > 90 dBFS). It enables high-quality imaging while consuming less than 100 mW, which is critical for portable devices. The integrated LDO regulators simplify power supply design, and the 16K FIFO reduces host processor load during high-speed data capture. The Easy Drive architecture minimizes input drive requirements, allowing direct connection to ultrasound transducers with minimal external components.
Recommended
Radar Systems
In radar systems, the AD4083BCPZ provides high-speed, high-resolution digitization of IF signals. Its 40 MSPS sampling rate and 16-bit resolution enable accurate target detection and range resolution. The low power dissipation (<100 mW) is beneficial for phased-array radar modules where thermal management is critical. The integrated FIFO allows burst-mode data capture, reducing the real-time processing burden on the digital signal processor. The Easy Drive architecture simplifies the interface to the analog front-end, reducing component count and board space.
Recommended
High-Speed Data Acquisition
The AD4083BCPZ is well-suited for high-speed data acquisition systems in test and measurement equipment. Its 16-bit resolution and 40 MSPS sampling rate capture fast transients with high fidelity. The low power consumption enables dense multi-channel designs without excessive heat generation. The integrated reference buffer and LDO regulators reduce external component count, simplifying PCB layout. The 16K FIFO supports burst-mode acquisition, allowing the host processor to read data at a lower rate, which is ideal for oscilloscopes and spectrum analyzers.
Recommended
Communications
In communications systems, the AD4083BCPZ digitizes IF signals in software-defined radios and base stations. Its high SINAD (>90 dBFS) ensures excellent signal-to-noise ratio, critical for demodulating weak signals. The 40 MSPS sampling rate supports wideband signals, and the low power consumption is advantageous for remote radio heads. The integrated FIFO reduces data transfer overhead, enabling efficient interface to FPGAs or DSPs. The Easy Drive architecture simplifies the analog front-end, reducing design complexity.
Recommended
Industrial Data Acquisition
The AD4083BCPZ is suitable for industrial data acquisition systems that require high resolution and speed, such as vibration analysis and condition monitoring. Its 16-bit resolution and 40 MSPS sampling rate capture detailed waveforms, while the low power consumption allows for compact, fanless designs. The wide operating temperature range (-40°C to +125°C) ensures reliability in harsh environments. The integrated LDO regulators and reference buffer reduce external components, making it easier to design robust, space-constrained systems.
Recommended
Test and Measurement
The AD4083BCPZ is ideal for test and measurement equipment such as digital oscilloscopes and spectrum analyzers. Its 16-bit resolution and 40 MSPS sampling rate provide high dynamic range and fast waveform capture. The low power dissipation enables portable, battery-operated instruments. The integrated FIFO allows efficient data transfer to the display processor, reducing latency. The Easy Drive architecture simplifies input buffering, reducing the need for high-bandwidth amplifiers, which lowers cost and board space.
Recommended
Recommended Products Summary
Engineering reference data for AD4083BCPZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD4083BBCZ | AD4086BCPZ | AD7384-4BCPZ |
|---|---|---|---|---|
| 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 | 16 bits | 16 bits | 16 bits | 16 bits |
| Sampling Rate | 40 MSPS | 40 MSPS | 50 MSPS | 4 MSPS (per channel) |
| Number of Channels | 1 | 1 | 1 | 4 |
| SINAD | > 90 dBFS | > 90 dBFS | > 90 dBFS | > 90 dBFS |
| Power Dissipation | < 100 mW | < 100 mW | < 120 mW | < 150 mW |
| Integrated FIFO | 16K | 16K | 16K | None |
Key Differentiators
- Integrated LDO regulators and reference buffer (vs AD4083BBCZ)
- Higher sampling rate (vs AD4052BCPZ)
- Integrated 16K FIFO (vs AD7384-4BCPZ)
Design Notes
The AD4083BCPZ operates from a single 1.8V analog supply and a 1.8V digital supply. The integrated LDO regulators generate internal rails, but external decoupling capacitors are still required on the AVDD and DVDD pins. Use 0.1uF and 10uF capacitors in parallel, placed as close to the pins as possible, to ensure stable operation and minimize noise.
For optimal performance, use a solid ground plane and separate analog and digital ground areas, connecting them at a single point. The 49-CSPBGA package has a 5x5 mm footprint; ensure adequate thermal vias under the exposed pad for heat dissipation. Route the analog input and reference traces away from digital traces to reduce coupling.
Do not exceed the absolute maximum ratings for supply voltages. Ensure the reference voltage is stable and low-noise; the integrated reference buffer helps, but an external reference may be needed for higher accuracy. The Easy Drive architecture reduces input drive requirements, but a driver amplifier with sufficient bandwidth is still recommended for high-frequency signals. The FIFO should be configured correctly to avoid data overflow.
Compliance Information
Compliance information based on Analog Devices standard product compliance. RoHS and REACH compliant per ADI policy. Not AEC-Q100 qualified.
