Part A
AFE58JD48ZAV
Texas Instruments
- Lifecycle
- Active
- Stock
- 7068 PCS
- Series
- Acquisition de données - Analog Front End (AFE)
Replacement verdict
Compatible functional replacement candidate
The AFE58JD48ZAV is a viable functional replacement candidate for the AFE5816ZAV, sharing the same 16-channel ultrasound AFE architecture, 14-bit ADC resolution, and 64-pin TQFP package footprint. Designers should validate the higher power consumption and confirm the extended feature set of the AFE58JD48ZAV aligns with their system requirements before finalizing the substitution.
Channel Count
High match
ADC Resolution
High match
Package Type
High match
Power Consumption
Validation required
Parts at a glance
Part B
AFE5816ZAV
Texas Instruments
- Lifecycle
- Active
- Stock
- 2161 PCS
- Package
- NFBGA-289
- Series
- Acquisition de données - Analog Front End (AFE)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AFE5816ZAV | AFE58JD48ZAV | Why it matters |
|---|---|---|---|
| Number of Channels | 16 | 16 | Channel count determines how many transducer elements can be processed simultaneously; matching counts allow direct array-level substitution. |
| ADC Resolution | 14 bit | 12 bit | Higher resolution improves dynamic range and small-signal sensitivity, so a 14-bit vs 12-bit difference affects image quality and SNR budget. |
| Maximum Sampling Rate | 65 MSPS | 65 MSPS | Sample rate sets the achievable imaging depth and bandwidth; identical rates preserve timing and clocking design. |
| Integrated CW Doppler Beamformer | No | Yes | On-chip continuous-wave Doppler mixing/beamforming eliminates external circuitry; its absence in one part requires added components for Doppler modes. |
| Digital Demodulation / Decimation | Not integrated | Integrated digital demodulation and decimation | Integrated digital processing reduces FPGA/ASIC load and data rate; a part without it shifts processing burden to the host. |
| JESD204B Interface | Not supported | Supported | JESD204B serialization reduces board routing versus parallel LVDS; interface mismatch requires different FPGA IP and PCB layout. |
| LNA Input-Referred Noise | 0.8 nV/√Hz (typical) | 0.8 nV/√Hz (typical) | Low-noise amplifier noise floor directly limits receive sensitivity; matching values preserve the noise budget of the system. |
| Package | 289-ball NFBGA (ZAV) | 289-ball NFBGA (ZAV) | Identical package and footprint enable drop-in PCB compatibility without layout changes. |
| Supply Voltage (Analog) | 1.8 V / 3.3 V | 1.8 V / 3.3 V | Matching supply rails allow reuse of the same power tree and decoupling network. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE58JD48ZAV | AFE5816ZAV |
|---|---|---|
| Part Status | Active | Active |
| Number of Bits | 16 | 12, 14 |
| Number of Channels | 16 | 16 |
| Mounting Type | Surface Mount | Surface Mount |
| Base Product Number | AFE58JD48 | - |
| Power (Watts) | 140 mW | 94 mW |
| Voltage - Supply, Analog | - | 1.7V ~ 2V, 3V ~ 3.3V |
| Voltage - Supply, Digital | - | 1.15V ~ 1.25V, 1.7V ~ 1.9V |
Frequently asked questions
What are the AFE5816ZAV and AFE58JD48ZAV?
The AFE5816ZAV and AFE58JD48ZAV are both Texas Instruments fully integrated analog front-end (AFE) devices for ultrasound imaging systems. The AFE5816ZAV is an 8-channel AFE with a 14-bit ADC and CW (continuous wave) Doppler processing, while the AFE58JD48ZAV is a 16-channel AFE with a 12-bit ADC and integrated digital demodulation and JESD204B serial output.
How do the channel counts of the AFE5816ZAV and AFE58JD48ZAV differ?
The AFE5816ZAV integrates 8 receive channels, whereas the AFE58JD48ZAV integrates 16 receive channels. This difference directly affects the number of transducer elements each device can support per package and the overall system channel density.
What ADC resolution does each device provide?
The AFE5816ZAV provides a 14-bit ADC per channel, while the AFE58JD48ZAV provides a 12-bit ADC per channel. The higher resolution of the AFE5816ZAV may benefit applications requiring greater dynamic range, while the AFE58JD48ZAV prioritizes channel density and integrated digital processing.
Do both devices support continuous wave (CW) Doppler processing?
Yes. Both the AFE5816ZAV and AFE58JD48ZAV include integrated CW Doppler mixing and processing, which is used in ultrasound systems for blood flow velocity measurement without the depth limitation of pulsed-wave Doppler.
What output interface does each device use?
The AFE5816ZAV provides a low-voltage differential signaling (LVDS) output interface for ADC data. The AFE58JD48ZAV provides a JESD204B serial output interface, which reduces the number of PCB traces and simplifies routing in high-channel-count systems.
Do the AFE5816ZAV and AFE58JD48ZAV share the same package and pinout?
No. The AFE5816ZAV is supplied in a 289-ball NFBGA package, while the AFE58JD48ZAV is supplied in a 289-ball NFBGA package as well, but the pin assignments and channel architecture differ due to the different channel counts and output interfaces. They are not pin-compatible drop-in replacements.
Can the AFE5816ZAV and AFE58JD48ZAV be used interchangeably in the same ultrasound design?
No. Because they differ in channel count (8 vs 16), ADC resolution (14-bit vs 12-bit), output interface (LVDS vs JESD204B), and pinout, they cannot be used interchangeably without redesigning the board layout, FPGA interface, and system channel architecture. Each device must be evaluated against the specific system requirements.
What are the typical power supply requirements for these AFE devices?
Both devices operate from a 1.8 V analog supply and a 1.8 V digital supply, with additional supply rails for the analog front-end signal chain. Designers should consult the respective Texas Instruments datasheets for the exact supply voltage ranges, current consumption, and power-down mode specifications before finalizing the power design.