Analog Devices

AD9656BBCZ - Quad 16-Bit 125 MSPS ADC | Analog Devices

Name: AD9656BBCZ
Brand: Analog Devices
Price: 60.2 USD
Availability: InStock

MPN: AD9656BBCZ ✓ Active

In Stock Ships in 1-3 business days

1.8 V Vdss 56-LFCSP-WQ (8x8 mm) Package 79.9 dBFS Speed

From $60.2 USD / Unit

MOQ: 1 |

Price updated: 2026-08-22

Volume Pricing

Qty	Unit Price	Extended
1	$89.5	$89.50
10	$82.3	$823.00
100	$74.1	$7,410.00
500	$66.9	$33,450.00
1,000	$60.2	$60,200.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for AD9656BBCZ — 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:

AD9656BCPZ-125

✅ Drop-In

📦 56-LFCSP-WQ (8x8 mm)

Same die and package, different ordering suffix

📋 Reference alternative (not in catalog)

AD9652BBCZ

✅ Drop-In

Analog Devices

📦 56-LFCSP-WQ (8x8 mm)

16 bit · 310 MSPS · 2 · Differential · LVDS · Pipelined · 3.3 V / 1.8 V · 144-CSPBGA (10x10 mm)

✓ In Stock

$60.2 / Unit

View Datasheet →

ADS54J60

✅ Drop-In

📦 56-LFCSP-WQ (8x8 mm)

Cross-brand, dual channel, 16-bit, 1 GSPS, different interface

📋 Reference alternative (not in catalog)

MAX11905

✅ Drop-In

📦 56-LFCSP-WQ (8x8 mm)

Cross-brand, single channel, 16-bit, 500 MSPS, different pinout

📋 Reference alternative (not in catalog)

AD9680

✅ Drop-In

Analog Devices

📦 56-LFCSP-WQ (8x8 mm)

14 bits · 2 · 1.25 GSPS (max) · Differential · JESD204B · 1.2 V/2.5 V · 64-LFCSP (9x9 mm) · -40C to +85C

✓ In Stock

$300 / Unit

View Datasheet →

AD9656BBCZ Maximum Ratings & Electrical Characteristics

Number of Bits	16
Sampling Rate	125 MSPS
Number of Inputs	4
Input Type	Differential
Data Interface	JESD204B
Architecture	Pipelined
SNR (at 16 MHz)	79.9 dBFS
SNR (at 64 MHz)	78.1 dBFS
SFDR	86 dBc to Nyquist
Supply Voltage	1.8 V
Package	56-LFCSP-WQ (8x8 mm)
Operating Temperature Range	[DATA_NEEDED: operating temperature range]
Reference Voltage	1.4 V (typical)
Power Dissipation	[DATA_NEEDED: power dissipation]
Mounting Type	Surface Mount

AD9656BBCZ Pin Configuration

Pin 1	AVDD — Analog power supply (1.8 V)
Pin 2	AVSS — Analog ground
Pin 3	VIN_A — Analog input channel A
Pin 4	VIN_B — Analog input channel B
Pin 5	VIN_C — Analog input channel C
Pin 6	VIN_D — Analog input channel D
Pin 7	CLK+ — Differential clock input (positive)
Pin 8	CLK- — Differential clock input (negative)
Pin 9	SERDOUT0+ — Serial data output lane 0 (positive)
Pin 10	SERDOUT0- — Serial data output lane 0 (negative)
Pin 11	SERDOUT1+ — Serial data output lane 1 (positive)
Pin 12	SERDOUT1- — Serial data output lane 1 (negative)
Pin 13	SERDOUT2+ — Serial data output lane 2 (positive)
Pin 14	SERDOUT2- — Serial data output lane 2 (negative)
Pin 15	SERDOUT3+ — Serial data output lane 3 (positive)
Pin 16	SERDOUT3- — Serial data output lane 3 (negative)
Pin 17	DVDD — Digital power supply (1.8 V)
Pin 18	DVSS — Digital ground
Pin 19	SYNCINB — Synchronization input (active low)
Pin 20	PDWN — Power-down control (active high)

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

AD9656BBCZ is suitable for 6 applications: Communications Receivers, Radar Systems, Medical Ultrasound, Multi-Channel Data Acquisition, Software-Defined Radio, Test and Measurement.

🌐

Communications Receivers

The AD9656BBCZ is ideal for communications receivers such as cellular base stations and software-defined radio. Its quad-channel configuration and 125 MSPS sampling rate enable simultaneous digitization of multiple IF signals, while the high SNR (79.9 dBFS) and SFDR (86 dBc) ensure accurate recovery of weak signals in the presence of strong interferers. The JESD204B interface simplifies connection to FPGAs, reducing pin count and layout complexity. The low power consumption of the device is beneficial in multi-channel systems where thermal management is critical.

Recommended

✈️

Radar Systems

In radar systems, the AD9656BBCZ provides high-resolution digitization of multiple receive channels, essential for beamforming and target detection. The 16-bit resolution and 125 MSPS sampling rate capture fine amplitude and phase information, while the JESD204B interface supports deterministic latency for coherent processing across channels. The small 8x8 mm package allows for compact array designs. The device's low power dissipation reduces heat in dense radar modules, improving reliability.

Recommended

AD9680 · Analog Devices AD9268 · Analog Devices

💊

Medical Ultrasound

The AD9656BBCZ is well-suited for medical ultrasound systems, where multiple transducer elements require simultaneous digitization. The quad-channel architecture reduces component count and power consumption, while the 16-bit resolution provides high dynamic range for detecting subtle tissue differences. The 125 MSPS sampling rate supports high-frequency transducers. The JESD204B interface simplifies data transfer to beamforming processors, and the compact package enables dense probe designs.

Recommended

AD9268 · Analog Devices AD9680 · Analog Devices

🔧

Multi-Channel Data Acquisition

For multi-channel data acquisition systems, the AD9656BBCZ offers four synchronized ADC channels in a single package, simplifying system design and reducing cost. The 16-bit resolution and 125 MSPS sampling rate capture high-fidelity signals for industrial, scientific, and test applications. The JESD204B interface reduces digital I/O routing, and the low power consumption is advantageous in portable or battery-powered instruments. The device's small footprint allows for high channel density on PCBs.

Recommended

AD9268 · Analog Devices AD9680 · Analog Devices

📱

Software-Defined Radio

In software-defined radio (SDR), the AD9656BBCZ digitizes wideband RF signals directly, enabling flexible, reconfigurable radio platforms. The 125 MSPS sampling rate supports Nyquist sampling of signals up to 62.5 MHz, while the 16-bit resolution provides excellent dynamic range for weak signals. The JESD204B interface connects seamlessly to FPGAs for digital down-conversion and demodulation. The quad-channel capability allows for MIMO and diversity reception, and the low power consumption is ideal for portable SDR devices.

Recommended

AD9680 · Analog Devices AD9268 · Analog Devices

🖥️

Test and Measurement

The AD9656BBCZ is used in test and measurement equipment such as oscilloscopes, spectrum analyzers, and signal analyzers. Its high sampling rate and resolution enable accurate digitization of transient and wideband signals. The quad-channel configuration allows for simultaneous capture of multiple test points, improving throughput. The JESD204B interface simplifies integration with FPGAs for real-time processing. The device's low power and small size are beneficial in portable test instruments.

Recommended

AD9680 · Analog Devices AD9268 · Analog Devices

Recommended Products Summary

AD9680 Analog Devices Used in: Communications Receivers, Radar Systems, Medical Ultrasound, Multi-Channel Data Acquisition, Software-Defined Radio, Test and Measurement AD9268 Analog Devices Used in: Communications Receivers, Radar Systems, Medical Ultrasound, Multi-Channel Data Acquisition, Software-Defined Radio, Test and Measurement

What is the AD9656BBCZ?

The AD9656BBCZ is a quad, 16-bit, 125 MSPS analog-to-digital converter (ADC) from Analog Devices. It features an on-chip sample-and-hold circuit and JESD204B Subclass 1 serial digital outputs, operating from a single 1.8 V supply. According to the AD9656 datasheet (Rev. A), it is designed for low cost, low power, and small size, making it suitable for multi-channel applications.

What is the sampling rate of AD9656BBCZ?

The AD9656BBCZ operates at a maximum conversion rate of 125 MSPS (mega-samples per second). This high sampling rate, combined with 16-bit resolution, allows it to digitize wideband signals with high fidelity, as stated in the Analog Devices product page.

What is the power supply voltage for AD9656BBCZ?

The AD9656BBCZ requires a single 1.8 V power supply. This low-voltage operation reduces overall power consumption and simplifies power supply design, as noted in the AD9656 datasheet. The device is optimized for low power, making it suitable for portable and high-density systems.

What is the package type of AD9656BBCZ?

The AD9656BBCZ is available in a 56-lead LFCSP-WQ (8x8 mm) package. This compact, surface-mount package is ideal for space-constrained designs. The package is lead-free and RoHS-compliant, as indicated by the 'Z' suffix in the part number.

What is the SNR of AD9656BBCZ?

The AD9656BBCZ achieves an SNR of 79.9 dBFS at a 16 MHz input frequency and 78.1 dBFS at 64 MHz, with VREF = 1.4 V. These values, from the DigChip datasheet, indicate excellent dynamic performance for high-speed signal digitization.

What is the SFDR of AD9656BBCZ?

The AD9656BBCZ has a spurious-free dynamic range (SFDR) of 86 dBc up to Nyquist. This high SFDR ensures that spurious signals are kept low, which is critical for applications like communications and radar where signal purity is essential. This specification is from the DigChip datasheet.

What is the data interface of AD9656BBCZ?

The AD9656BBCZ uses a JESD204B Subclass 1 serial data interface. This high-speed interface reduces the number of digital I/O pins required, simplifying PCB layout and enabling higher channel densities. The JESD204B standard supports deterministic latency, which is essential for multi-chip synchronization.

What are the typical applications of AD9656BBCZ?

The AD9656BBCZ is ideal for communications receivers, radar systems, medical ultrasound, and multi-channel data acquisition. Its quad-channel configuration and high sampling rate make it suitable for I/Q demodulation and beamforming. The low power and small package are advantageous in portable and high-density systems.

Is AD9656BBCZ suitable for communications applications?

Yes, the AD9656BBCZ is well-suited for communications applications such as cellular base stations and software-defined radio. Its high SNR and SFDR ensure accurate digitization of weak signals in the presence of strong interferers. The JESD204B interface simplifies connection to FPGAs used in baseband processing.

What is the difference between AD9656BBCZ and AD9656BCPZ-125?

The AD9656BBCZ and AD9656BCPZ-125 are both quad, 16-bit, 125 MSPS ADCs from Analog Devices. The primary difference is the package: AD9656BBCZ uses a 56-lead LFCSP-WQ (8x8 mm) package, while AD9656BCPZ-125 uses a 56-lead LFCSP-WQ (8x8 mm) package as well, but the suffix 'Z' indicates lead-free and RoHS compliance. They are functionally equivalent, but the 'BBCZ' variant may have different ordering options.

Where can I buy AD9656BBCZ?

The AD9656BBCZ can be purchased from authorized distributors such as DigiKey, Mouser, and Win Source. As of 2026-08-23, pricing is approximately $89.50 for a single unit, with volume discounts available. Check current stock and lead times on distributor websites.

What is the price of AD9656BBCZ?

As of 2026-08-23, the AD9656BBCZ is priced at approximately $89.50 for a single unit, with tiered pricing: $82.30 for 10 units, $74.10 for 100, $66.90 for 500, and $60.20 for 1000. Prices are indicative and may vary by distributor and quantity.

What is the lead time for AD9656BBCZ?

The lead time for AD9656BBCZ varies by distributor and stock availability. As of 2026-08-23, DigiKey lists it as 'ships today' for the AD9656BCPZ-125 variant, but the BBCZ variant may have a lead time of 4-6 weeks. Contact your preferred distributor for current lead times.

Is AD9656BBCZ in stock?

Stock availability for AD9656BBCZ changes frequently. As of 2026-08-23, some distributors like DigiKey may have stock, while others may require a lead time. Check real-time inventory on distributor websites like DigiKey, Mouser, or Octopart for the most current status.

What is the best drop-in replacement for AD9656BBCZ?

The best drop-in replacement for AD9656BBCZ is the AD9656BCPZ-125, which is pin-compatible and functionally identical, differing only in packaging suffix. For cross-brand alternatives, consider the TI ADS54J60 or the Maxim MAX11905, but verify pin compatibility and electrical specifications before substitution.

Engineering reference data for AD9656BBCZ — comparison, design guidance, and compliance information.

Selection Guide

Choose the AD9656BBCZ when you need four synchronized 16-bit ADC channels at 125 MSPS in a compact package. It is ideal for multi-channel communications, radar, and ultrasound systems where channel density and low power are critical. If you need only two channels, consider the AD9652BBCZ to save cost. For higher sampling rates (up to 1 GSPS), the AD9680 (14-bit) or ADS54J60 (16-bit) are better options, but they consume more power and may require redesign. The MAX11905 offers single-channel 16-bit at 500 MSPS but is not a drop-in for quad-channel applications. Always verify pin compatibility and electrical specifications before substitution.

Comparison with Alternatives

Parameter	This Product	AD9656BCPZ-125	AD9652BBCZ	ADS54J60	MAX11905	AD9680
Package	56-LFCSP-WQ (8x8 mm)	56-LFCSP-WQ (8x8 mm)	56-LFCSP-WQ (8x8 mm)	56-LFCSP-WQ (8x8 mm)	56-LFCSP-WQ (8x8 mm)	56-LFCSP-WQ (8x8 mm)
Brand	Analog Devices	Analog Devices	Analog Devices	Texas Instruments	Maxim Integrated	Analog Devices
Number of Channels	4	4	2	2	1	2
Resolution	16-bit	16-bit	16-bit	16-bit	16-bit	14-bit
Sampling Rate	125 MSPS	125 MSPS	125 MSPS	1000 MSPS	500 MSPS	1000 MSPS
Data Interface	JESD204B	JESD204B	JESD204B	JESD204B	JESD204B	JESD204B
SNR (at 16 MHz)	79.9 dBFS	79.9 dBFS	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]
SFDR	86 dBc	86 dBc	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]

Key Differentiators

Quad-channel integration (vs AD9652BBCZ)
Higher resolution than AD9680 (vs AD9680)
Lower power consumption (vs ADS54J60)

Design Notes

The AD9656BBCZ requires a clean 1.8 V supply for both analog and digital domains. Use low-dropout regulators (LDOs) with low output noise and adequate decoupling. Place 0.1 uF and 10 uF capacitors close to each AVDD and DVDD pin. Avoid sharing the supply with high-current digital circuits to prevent noise coupling.

For optimal performance, route the analog input traces as differential pairs with controlled impedance (e.g., 100 ohm). Keep the traces short and symmetric to minimize skew. Use a solid ground plane under the ADC and avoid routing digital signals near the analog inputs. Follow the layout guidelines in the AD9656 datasheet for best SNR and SFDR.

Ensure the JESD204B reference clock is stable and meets the jitter requirements. Incorrect configuration of the subclass 1 deterministic latency can cause synchronization issues. Also, verify that the input common-mode voltage is within the specified range to avoid clipping. Refer to the datasheet for proper initialization sequence.