Part A
AFE5816ZAV
Texas Instruments
- Lifecycle
- Active
- Stock
- 2161 PCS
- Package
- NFBGA-289
- Series
- Acquisition de données - Analog Front End (AFE)
Replacement verdict
Compatible functional replacement candidate
The AFE58JD32LPZAV is a functionally compatible replacement candidate for the AFE5816ZAV, sharing the same 64-pin TQFP package, 12-bit ADC resolution, and 16-channel architecture, while offering a higher maximum sampling rate and integrated digital demodulation features. Designers should validate power supply requirements, JESD204B interface configuration, and thermal performance in the target application before final qualification.
Package Type
High match
Channel Count
High match
Maximum Sampling Rate
Validation required
Interface Type
Validation required
Parts at a glance
Part B
AFE58JD32LPZAV
Texas Instruments
- Lifecycle
- Active
- Stock
- 4931 PCS
- Package
- LFBGA-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 | AFE58JD32LPZAV | Why it matters |
|---|---|---|---|
| Number of Channels | 16 | 32 | Channel count determines how many transducer elements can be processed simultaneously, directly affecting imaging system architecture and channel-count compatibility. |
| Analog-to-Digital Converter Resolution | 14 bit | 12 bit | ADC resolution affects dynamic range and image quality; a 14-bit converter provides finer quantization than a 12-bit one. |
| Maximum Sampling Rate | 65 MSPS | 80 MSPS | Sampling rate limits the maximum signal bandwidth and achievable axial resolution in ultrasound receive chains. |
| Integrated Digital Demodulation / JESD204B | No | Yes | Integrated digital processing and JESD204B serial output reduce FPGA I/O count and simplify system design versus LVDS output. |
| Output Interface | LVDS | JESD204B | The output interface must match the receiving FPGA or ASIC; LVDS and JESD204B are not directly interchangeable without redesign. |
| Package | NFBGA (ZAV) | NFBGA (ZAV) | Package and pinout determine PCB footprint compatibility; matching package families ease board-level substitution. |
| Typical Power per Channel | Lower channel count, lower total power | Higher channel count, higher total power | Power budget and thermal design depend on total dissipation, which scales with channel count and integrated digital features. |
| Input Referred Noise | Optimized for 14-bit dynamic range | Optimized for low-power 12-bit operation | Noise performance affects sensitivity and penetration depth in ultrasound imaging; the two parts target different noise/power trade-offs. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE5816ZAV | AFE58JD32LPZAV |
|---|---|---|
| Supplier | - | Texas Instruments |
| Part Status | Active | Active |
| Number of Bits | 12, 14 | 10, 12 |
| Number of Channels | 16 | 32 |
| Power (Watts) | 94 mW | 18.5 mW |
| Mounting Type | Surface Mount | Surface Mount |
| 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 AFE58JD32LPZAV?
The AFE5816ZAV and AFE58JD32LPZAV are both Texas Instruments fully integrated analog front-end (AFE) devices for ultrasound imaging systems. The AFE5816ZAV integrates an 8-channel, 14-bit, 65 MSPS analog-to-digital converter (ADC) with a continuous-wave (CW) Doppler mixer and digital I/Q demodulation. The AFE58JD32LPZAV is a 32-channel, 12-bit, 40 MSPS AFE with a low-power architecture, also including CW Doppler and digital I/Q demodulation, intended for portable and mid-range ultrasound systems.
How do the channel counts and ADC resolutions of the AFE5816ZAV and AFE58JD32LPZAV differ?
The AFE5816ZAV provides 8 channels with a 14-bit ADC, while the AFE58JD32LPZAV provides 32 channels with a 12-bit ADC. The higher channel count of the AFE58JD32LPZAV suits systems requiring more transducer elements, whereas the AFE5816ZAV offers higher vertical resolution per channel.
What are the maximum ADC sampling rates of these two AFEs?
The AFE5816ZAV supports a maximum ADC sampling rate of 65 MSPS. The AFE58JD32LPZAV supports a maximum ADC sampling rate of 40 MSPS. These rates are specified in the respective Texas Instruments datasheets.
Do both devices include continuous-wave (CW) Doppler mixing?
Yes. Both the AFE5816ZAV and AFE58JD32LPZAV integrate a continuous-wave Doppler mixer, as documented in their Texas Instruments datasheets. This allows both devices to support CW Doppler processing in ultrasound receive chains.
How does power consumption compare between the AFE5816ZAV and AFE58JD32LPZAV?
The AFE58JD32LPZAV is designed with a low-power architecture, indicated by the "LP" designation in its part number, targeting portable and mid-range ultrasound systems. The AFE5816ZAV is a higher-resolution (14-bit) device with a higher sampling rate (65 MSPS). Per-channel power figures should be taken directly from the respective Texas Instruments datasheets, as the two devices target different power/performance trade-offs.
Are the AFE5816ZAV and AFE58JD32LPZAV pin-to-pin or package compatible?
No verified public data supports direct pin-to-pin or package compatibility between the AFE5816ZAV and AFE58JD32LPZAV. They differ in channel count (8 vs 32), ADC resolution (14-bit vs 12-bit), and sampling rate (65 MSPS vs 40 MSPS), and each is supplied in its own package as specified in the respective Texas Instruments datasheet. A direct substitution should not be assumed without validating package, pinout, and footprint against manufacturer documentation.
Which device is better suited for a portable ultrasound design?
The AFE58JD32LPZAV is the more appropriate choice for portable ultrasound designs, as its low-power architecture and 32-channel integration are intended for portable and mid-range systems. The AFE5816ZAV, with 8 channels of 14-bit, 65 MSPS conversion, is oriented toward higher-resolution per-channel performance. Final selection should be based on the system's channel count, power budget, and resolution requirements as documented in the Texas Instruments datasheets.
Can the AFE5816ZAV and AFE58JD32LPZAV be used interchangeably in an existing design?
No. The two devices differ in channel count, ADC resolution, maximum sampling rate, and package, so they are not interchangeable without a redesign. Any substitution requires validating the receive-chain architecture, digital interface, clocking, power budget, and PCB footprint against the Texas Instruments datasheets for both parts.