AD9253 Alternatives: Complete 14-Bit 4-Channel 125 MSPS ADC Comparison Guide

Q: What is the power consumption of the AD9253 and JXA036?

The AD9253 consumes 110 mW per channel at 125 MSPS per its datasheet (Rev. E), for a total of approximately 457 mW with sine wave input in ANSI-644 mode. The JXA036 consumes up to 150 mW per channel (total ≤600 mW), also operating from a single 1.8V supply. The JXA036's slightly higher power is offset by its guaranteed minimum performance specifications.

Q: What applications use the AD9253 and its alternatives?

AD9253-class ADCs are used in medical ultrasound equipment, high-speed imaging systems, quadrature and diversity radio receivers, and portable test equipment. The JXA036 supports all these applications with identical LVDS interface compatibility and pin-to-pin compatibility with both AD9253 (14-bit) and AD9653 (16-bit) family members.

If you're designing with the Analog Devices AD9253 and facing supply chain uncertainty, long lead times, or allocation constraints, you're not alone. The AD9253 is a widely deployed quad-channel 14-bit 125 MSPS ADC with serial LVDS output — covering medical ultrasound, high-speed imaging, quadrature and diversity radio receivers, and portable test equipment. Its low 110 mW/channel power consumption and 650 MHz analog bandwidth make it ideal for space-constrained multi-channel systems. However, lead times through authorized distribution frequently exceed 6 months.

This guide provides a comprehensive comparison of all major AD9253 alternatives, categorized by compatibility level: pin-to-pin drop-in replacements (no PCB redesign needed) and functional alternatives (for new designs where board changes are acceptable).

What Are the Best AD9253 Alternatives?

The table below summarizes all major alternatives. Detailed comparisons follow in subsequent sections.

Part Number	Manufacturer	Compatibility	Resolution	Channels	Sample Rate	Interface	Lead Time
JXA036	Shenxin Tech	Pin-to-Pin (Drop-in)	14-bit	4	125 MSPS	LVDS	~6 weeks
AD9253	Analog Devices	Original	14-bit	4	125 MSPS	LVDS	6+ months
AD9653	Analog Devices	Pin-Compatible (16-bit)	16-bit	4	125 MSPS	LVDS	12+ weeks
ADS54J60	Texas Instruments	Functional	16-bit	2	1 GSPS	JESD204B	Varies

Which AD9253 Alternatives Are True Pin-to-Pin Drop-In Replacements?

For teams with existing AD9253 PCB designs that cannot afford board spins or interface rewrites, pin-to-pin replacements are the only viable option. A true pin-to-pin alternative must satisfy three conditions:

Package & Pinout Identical — Same 48-lead QFN/LFCSP (7×7mm) package, same pin assignments. No PCB redesign needed.

Interface-Compatible — Serial LVDS (ANSI-644) output with DCO/FCO clock outputs and DDR timing. Existing FPGA capture logic can be reused.

Electrical Performance Comparable — Resolution, channel count, sample rate, supply voltage, and dynamic range match the original.

JXA036 — Shenxin Tech (Pin-to-Pin Drop-In)

The JXA036 is a Chinese-made quad-channel 14-bit 125 MSPS ADC that is pin-to-pin compatible with the AD9253. It is a drop-in replacement that can be soldered directly onto an existing AD9253 PCB footprint without any board redesign, using the same serial LVDS (ANSI-644) output interface, 1.8V single supply, and 48-lead QFN (7×7mm) package. The JXA036 is also pin-compatible with the AD9653 (16-bit) family, enabling resolution-scalable designs on the same PCB.

JXA036 vs AD9253: Detailed Specification Comparison

Parameter	JXA036	AD9253
Resolution	14-bit	14-bit
Channels	4 (Quad)	4 (Quad)
Sample Rate	125 MSPS	80/105/125 MSPS
Output Interface	Serial LVDS (ANSI-644)	Serial LVDS (ANSI-644)
SNR	≥75.9 dBFS (guaranteed min)	75.3 dBFS (typ @ 9.7 MHz)
SFDR	≥89 dBFS (guaranteed min)	90 dBc (typ @ 70 MHz, full)
ENOB	12.1 bits	12.2 bits (typ @ 9.7 MHz)
Power per Channel	≤150 mW	110 mW (typ)
Power Supply	1.8 V	1.8 V
Package	48-lead QFN (7×7mm)	48-lead LFCSP (7×7mm)
Analog Bandwidth	650 MHz	650 MHz
Operating Temperature	−40°C to +85°C	−40°C to +85°C
Pin-Compatible with AD9653	Yes	Yes
Lead Time	~6 weeks	6+ months (typical)
FAE Support	Direct, local	Through distributor

Source: AD9253 datasheet (Rev. E), Analog Devices. JXA036 per Shenxin Tech product specification. Note: JXA036 SNR and SFDR are guaranteed minimum values; AD9253 values are typical per datasheet.

Migration Path: From AD9253 to JXA036

Hardware: Drop-in replacement. Same 48-lead QFN package, same 7×7mm footprint. No PCB redesign required — simply swap the chip.

Interface: Serial LVDS (ANSI-644) output with DCO and FCO clocks, supporting DDR operation. Existing FPGA LVDS receiver logic can be reused without modification.

Resolution Scalability: JXA036 is pin-compatible with both AD9253 (14-bit) and AD9653 (16-bit). The same PCB can accommodate either resolution by swapping the ADC chip — a unique advantage for product families offering multiple performance tiers.

Validation: Shenxin Tech provides reference designs, evaluation boards (EVB), and direct FAE support including schematic review, SPI register configuration, and LVDS signal integrity analysis.

Supply Chain: ~6-week standard lead time vs. 6+ months for the AD9253. Direct factory relationship with local engineering support.

How Do AD9253 Alternatives Compare in Performance?

The JXA036 matches the AD9253's 14-bit resolution, 4-channel architecture, and 125 MSPS sampling rate, delivering ≥75.9 dBFS SNR with ≤150 mW/ch power and 650 MHz bandwidth. The AD9253 offers 75.3 dBFS SNR at 110 mW/ch, while the AD9653 provides 78 dBFS SNR at 164 mW/ch with 16-bit resolution.

Typical performance per datasheet. JXA036 values are guaranteed minimum per product spec. AD9253 and AD9653 values are typical per their respective datasheets. Lower power is better.

SNR Comparison (dBFS) @ 9.7 MHz

JXA036 (Shenxin Tech, ≥min)≥75.9 dBFS

AD9253 (Analog Devices, typ)75.3 dBFS

AD9653 (Analog Devices, typ)78 dBFS

SFDR Comparison (dBc) @ 70 MHz

JXA036 (Shenxin Tech, ≥min)≥89 dBc

AD9253 (Analog Devices, typ)90 dBc

AD9653 (Analog Devices, typ)89 dBc

Power per Channel (mW) — Lower is Better

JXA036 (Shenxin Tech)≤150 mW

AD9253 (Analog Devices)110 mW

AD9653 (Analog Devices, 16-bit)164 mW

Note: Bar width represents mW/2 (e.g., 150 mW → 75%). Power values are typical at 125 MSPS. AD9253 power per datasheet Rev. E (sine wave input, ANSI-644 mode). AD9653 power per datasheet Rev. F. JXA036 is ≤150 mW/ch guaranteed maximum.

What Applications Are Best Suited for AD9253 Alternatives?

1. Medical Ultrasound Imaging

Quad-channel 14-bit ADCs are the core of multi-element ultrasound beamforming systems. The JXA036's 4-channel simultaneous sampling at 125 MSPS provides the channel density and dynamic range needed for high-resolution B-mode, color Doppler, and elastography imaging. The 650 MHz analog input bandwidth supports harmonic imaging at higher frequencies, while the serial LVDS interface keeps FPGA I/O pin count low for high-channel-count probe arrays.

Circuit Configuration: Transducer array → TGC/VGA (e.g., AD8334) → differential driver (e.g., ADA4938-2) → JXA036 (4 channels per chip, multiple chips for 64+ channels) → serial LVDS → FPGA beamformer. Multichip sync via SYNC input and clock divider.

EVB & FAE Support: Evaluation board compatible with HSC-ADC-EVALC capture card. FAE provides SPI register configuration, multichip synchronization timing, and PCB layout guidance for 48-lead LFCSP thermal management.

2. Quadrature / Diversity Radio Receivers

For I/Q receiver architectures, two ADC channels capture the in-phase and quadrature signals. The JXA036's 4-channel capability allows two complete I/Q pairs in a single package — ideal for diversity receivers in wireless infrastructure and software-defined radio platforms. The 650 MHz bandwidth supports IF sampling at common intermediate frequencies up to 200+ MHz.

Circuit Configuration: I/Q demodulator → differential amplifier → JXA036 (2 channels per I/Q pair) → serial LVDS → FPGA DDC for digital down-conversion and filtering.

EVB & FAE Support: Reference receiver design with anti-aliasing filter available. FAE supports clock distribution design, crosstalk analysis (−95 dB typ per AD9253 datasheet), and ADC summing for SNR enhancement.

3. Multi-Channel Data Acquisition (DAQ)

Industrial DAQ systems for test and measurement benefit from the JXA036's quad-channel integration and low per-channel power consumption. The serial LVDS interface reduces pin count compared to parallel CMOS, enabling higher channel density. The SPI-programmable features — test pattern generation, power-down modes, output alignment, bit orientation — simplify system bring-up, self-test, and calibration routines.

Circuit Configuration: Sensor front-end → anti-aliasing filter → differential driver → JXA036 (4 channels per chip) → serial LVDS → FPGA DAQ controller. Clock divider enables flexible sample rate from 10 MSPS to 125 MSPS.

EVB & FAE Support: Full evaluation board with VisualAnalog-compatible capture. FAE supports SPI test pattern verification, DCO/FCO timing analysis, and PCB routing for LVDS DDR signal integrity.

Selection Guide for Application Scenarios

Application	Key Requirement	Recommended Part	Why
Medical Ultrasound	4ch, 14-bit, low power	JXA036	Pin-to-pin with AD9253, ≤150 mW/ch, 650 MHz BW
I/Q Radio Receiver	4ch simultaneous, LVDS	JXA036 or AD9653	JXA036 drops into existing boards; AD9653 for 16-bit upgrade
Wideband SDR / Direct RF	Higher sample rate	ADS54J60 (TI)	1 GSPS enables direct RF, but dual-channel only
High-Resolution Imaging	16-bit, pin-compatible	AD9653	16-bit upgrade on same PCB as AD9253/JXA036

What Functional Alternatives Exist for New AD9253 Designs?

If you're starting a new design or planning a board revision, functional alternatives offer different performance trade-offs. These are not pin-to-pin compatible with the AD9253 and require PCB redesign, but may offer advantages in specific areas.

AD9653 — Analog Devices (Pin-Compatible 16-Bit Upgrade)

The AD9653 is a 16-bit 4-channel 125 MSPS ADC that is pin-compatible with the AD9253 — same 48-lead LFCSP package, same pinout. This makes it a unique functional alternative: you can upgrade resolution from 14-bit to 16-bit on the same PCB by simply swapping the chip, though the system firmware must be updated to handle the wider data width. The AD9653 offers higher SNR (78 vs 75.3 dBFS @ 9.7 MHz) at the cost of higher power (164 vs 110 mW/ch).

Parameter	AD9653	AD9253
Resolution	16-bit	14-bit
Channels	4	4
Sample Rate	125 MSPS	125 MSPS
Output Interface	Serial LVDS (ANSI-644)	Serial LVDS (ANSI-644)
SNR (f_IN = 9.7 MHz)	78 dBFS (typ)	75.3 dBFS (typ)
SFDR (f_IN = 9.7 MHz)	96 dBc (typ)	98 dBc (typ)
ENOB (f_IN = 9.7 MHz)	12.7 bits	12.2 bits
Power per Channel	164 mW	110 mW
Package	48-lead LFCSP (7×7mm)	48-lead LFCSP (7×7mm)
Pin-Compatible	Yes	—
Supply	1.8 V	1.8 V
Bandwidth	650 MHz	650 MHz
Key Advantage	+2 bits resolution, higher SNR	Lower power, lower cost

Source: AD9653 datasheet (Rev. F) and AD9253 datasheet (Rev. E), Analog Devices.

Best for: New designs or product upgrades requiring higher resolution (16-bit) on the same PCB footprint as the AD9253. Also compatible with the AD9633 (12-bit) for a 12/14/16-bit scalable product family.

ADS54J60 — Texas Instruments

The TI ADS54J60 is a 16-bit dual-channel 1 GSPS ADC with JESD204B interface. It targets wideband applications requiring much higher sample rates than the AD9253, such as direct RF sampling and wideband instrumentation. With a noise floor of −159 dBFS/Hz and SNR of 70 dBFS at 170 MHz input, it excels in high-bandwidth scenarios but at significantly higher power consumption and with only 2 channels (vs 4).

Parameter	ADS54J60	AD9253
Resolution	16-bit	14-bit
Channels	2 (Dual)	4 (Quad)
Sample Rate	1 GSPS	125 MSPS
Output Interface	JESD204B	Serial LVDS
SNR (f_IN = 170 MHz)	70 dBFS (typ)	74.2 dBFS @ 70 MHz (typ)
SFDR (f_IN = 170 MHz)	86 dBc (typ)	90 dBc @ 70 MHz (typ)
Power per Channel	1.35 W	110 mW
Package	72-pin VQFNP (10×10mm)	48-lead LFCSP (7×7mm)
Input Bandwidth	1.2 GHz	650 MHz
Supply	1.9 V_PP input	1.8 V
Pin-to-Pin with AD9253	No	—
Key Advantage	8× higher sample rate, direct RF	4 channels, ultra-low power

Source: ADS54J60 datasheet (Rev. D), Texas Instruments. AD9253 datasheet (Rev. E), Analog Devices.

Best for: New designs requiring GSPS-class sampling for direct RF or wideband instrumentation where 2 channels are sufficient and higher power is acceptable.

How Do All AD9253 Alternatives Compare Side by Side?

Parameter	JXA036	AD9253	AD9653	ADS54J60
Manufacturer	Shenxin Tech	Analog Devices	Analog Devices	Texas Instruments
Pin-to-Pin with AD9253	Yes	—	Pin-compatible*	No
Resolution	14-bit	14-bit	16-bit	16-bit
Channels	4	4	4	2
Sample Rate	125 MSPS	125 MSPS	125 MSPS	1 GSPS
Output Interface	LVDS	LVDS	LVDS	JESD204B
SNR @ 9.7 MHz	≥75.9 dBFS	75.3 dBFS	78 dBFS	—
SFDR @ 70 MHz	≥89 dBc	90 dBc	89 dBc	—
Power per Channel	≤150 mW	110 mW	164 mW	1,350 mW
Supply	1.8 V	1.8 V	1.8 V	1.9 V_PP
Package	QFN-48 (7×7mm)	LFCSP-48 (7×7mm)	LFCSP-48 (7×7mm)	VQFNP-72 (10×10mm)
Bandwidth	650 MHz	650 MHz	650 MHz	1.2 GHz
Temp Range	−40 to +85°C	−40 to +85°C	−40 to +85°C	−40 to +85°C
PCB Redesign Needed	No	—	No (pin-compatible)	Yes
Lead Time	~6 weeks	6+ months	12+ weeks	Varies
FAE Support	Direct, local	Via distributor	Via distributor	Via distributor

*AD9653 is pin-compatible (same package/pinout) but requires firmware update for 16-bit data width.

Frequently Asked Questions

What is the best pin-to-pin replacement for AD9253?
The JXA036 by Shenxin Tech is a pin-to-pin drop-in replacement. Same 48-lead QFN package, identical serial LVDS output, matching 14-bit 4-channel 125 MSPS architecture. Standard lead time is approximately 6 weeks. The JXA036 also matches the AD9253's 650 MHz analog bandwidth and 1.8V single supply operation.

Is there a Chinese-made equivalent of the AD9253?
Yes. The JXA036 by Shenxin Tech is a China-based pin-to-pin equivalent offering the same 14-bit 4-channel architecture, serial LVDS output, 1.8V supply, 650 MHz bandwidth, and 48-lead package with direct FAE support.

What is the difference between AD9253 and AD9653?
The AD9253 and AD9653 are pin-compatible but differ in resolution: AD9253 is 14-bit, AD9653 is 16-bit. The AD9653 offers higher SNR (78 vs 75.3 dBFS @ 9.7 MHz) but consumes more power (164 vs 110 mW/ch). Both use the same 48-lead LFCSP package and LVDS interface.

What is the power consumption of the AD9253 and JXA036?
The AD9253 consumes 110 mW/channel at 125 MSPS (total ~457 mW, sine input, ANSI-644 mode). The JXA036 consumes ≤150 mW/channel (total ≤600 mW). Both operate from a single 1.8V supply. The JXA036's slightly higher power budget provides guaranteed minimum performance specifications.

What applications use AD9253-class ADCs?
Medical ultrasound equipment, high-speed imaging, quadrature and diversity radio receivers, and portable test equipment. The JXA036 supports all these applications with identical LVDS interface compatibility and pin-to-pin compatibility with the AD9253/AD9653/AD9633 product family.

Which Alternative Is Right for Your Application?

Existing AD9253 PCB, need second source → JXA036 is the only true pin-to-pin drop-in option. No board redesign, LVDS firmware reuse, 6-week lead time.

Need 16-bit upgrade on same PCB → AD9653 is pin-compatible with AD9253, offering +2 bits resolution and higher SNR. Requires firmware update for 16-bit data width but no PCB changes.

New design, need GSPS sample rate → TI ADS54J60 provides 1 GSPS dual-channel sampling for direct RF, but at 1.35 W/channel and only 2 channels.

Medical ultrasound, 4ch low-power → JXA036 delivers 4-channel 14-bit sampling with ≤150 mW/ch and 650 MHz bandwidth for high-density beamforming.

Product family with multiple tiers → JXA036 is pin-compatible with AD9253 (14-bit) and AD9653 (16-bit), enabling 12/14/16-bit scalable products on one PCB.