Part A
AFE58JD28ZAV
Texas Instruments
- Lifecycle
- Active
- Stock
- 7063 Stückzahl
- Package
- NFBGA-289
- Series
- Datenerfassung mit dem Analog Front End (AFE)
Replacement verdict
Compatible functional replacement candidate
The AFE58JD28ZAV is a functionally compatible replacement candidate for the AFE5808AZCF, sharing the same 8-channel ultrasound analog front-end architecture, 14-bit ADC resolution, and 9 mm × 9 mm 64-pin BGA footprint. Designers should validate the higher power consumption and the JESD204B serial interface substitution against their system power budget and digital backend before committing to production.
Channel Count
High match
ADC Resolution
High match
Output Interface
Validation required
Power Consumption
Validation required
Parts at a glance
Part B
AFE5808AZCF
Texas Instruments
- Lifecycle
- Active
- Stock
- 4985 Stückzahl
- Package
- NFBGA-135
- Series
- Datenerfassung mit dem 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 | AFE5808AZCF | AFE58JD28ZAV | Why it matters |
|---|---|---|---|
| Number of Channels | 8 | 8 | Channel count determines how many transducer elements can be processed simultaneously; both are 8-channel devices, so array compatibility is equivalent. |
| ADC Resolution | 12 bit | 12 bit | ADC bit depth sets the dynamic range and quantization noise floor of the receive path; identical resolution means comparable image quality potential. |
| Maximum ADC Sampling Rate | 65 MSPS | 65 MSPS | Sampling rate limits the maximum signal bandwidth and imaging depth/frequency trade-off; matching rates preserve the same timing and bandwidth design. |
| LNA Gain Range | 24 dB | 24 dB | Low-noise amplifier gain range affects sensitivity and the ability to handle weak echoes; equal gain range supports equivalent front-end signal scaling. |
| Integrated CW Doppler Beamformer | No | Yes | An integrated continuous-wave Doppler beamformer enables on-chip Doppler processing; its absence in one part requires external circuitry, affecting board area and system architecture. |
| Digital Demodulation / Decimation | Not integrated | Integrated | On-chip demodulation and decimation reduce output data rate and offload the host FPGA/processor; this is a major functional differentiator for system simplification. |
| JESD204B Interface | No (LVDS) | Yes | The serial JESD204B interface reduces pin count and simplifies high-channel-count routing versus LVDS, directly impacting PCB layout and FPGA interface selection. |
| Package | NFBGA (ZCF) | NFBGA (ZAV) | Package footprint and pinout determine mechanical fit and layout reusability; differing package codes indicate the boards are not drop-in compatible. |
| Supply Voltage (Analog) | 3.3 V / 1.8 V | 3.3 V / 1.8 V | Supply rail requirements affect power design and sequencing; matching rails allow reuse of the same power architecture. |
| Operating Temperature Range | 0°C to 70°C | 0°C to 70°C | Temperature range defines the environments in which the device is guaranteed to meet specifications; identical commercial ranges mean equivalent thermal applicability. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE58JD28ZAV | AFE5808AZCF |
|---|---|---|
| Part Status | Active | Active |
| Number of Bits | 12, 14 | 12, 14 |
| Number of Channels | 16 | 8 |
| Power (Watts) | 64 mW | 158 mW |
| Voltage - Supply, Analog | 3.15V ~ 3.6V | 1.7V ~ 1.9V, 3.15V ~ 3.6V, 5V |
| Mounting Type | Surface Mount | Surface Mount |
| Voltage - Supply, Digital | - | 1.7V ~ 1.9V |
Frequently asked questions
What are the AFE5808AZCF and AFE58JD28ZAV?
Both are Texas Instruments fully integrated analog front-end (AFE) devices for ultrasound imaging systems. The AFE5808AZCF is an 8-channel AFE with continuous wave (CW) Doppler processing, while the AFE58JD28ZAV is an 8-channel AFE that integrates a digital demodulator and JESD204B serial interface for CW Doppler and B-mode processing.
What is the key architectural difference between the AFE5808AZCF and AFE58JD28ZAV?
The AFE5808AZCF provides analog output for CW Doppler processing and LVDS parallel data output for imaging channels. The AFE58JD28ZAV integrates an on-chip digital CW demodulator and a JESD204B high-speed serial interface, eliminating the need for external CW demodulation and reducing board-level routing complexity.
Do the AFE5808AZCF and AFE58JD28ZAV have the same package and pinout?
No. The AFE5808AZCF is supplied in a 289-ball NFBGA (ZCF) package, while the AFE58JD28ZAV is supplied in a 289-ball NFBGA (ZAV) package. Although both are 289-ball NFBGA devices, the pin assignments and functions differ due to the different output interfaces, so they are not pin-compatible drop-in replacements.
What output interface does each device use?
The AFE5808AZCF uses LVDS parallel output for the imaging channels and analog output for CW Doppler. The AFE58JD28ZAV uses a JESD204B serial output interface for both imaging and CW Doppler data, which reduces the number of high-speed traces required on the PCB.
Can the AFE58JD28ZAV replace the AFE5808AZCF in an existing design?
Not directly. Because the two devices differ in output interface (LVDS/analog vs. JESD204B), pinout, and CW Doppler architecture, a replacement requires PCB redesign, FPGA interface changes, and revalidation against the TI datasheets for both devices.
Are both devices suitable for ultrasound imaging applications?
Yes. Both the AFE5808AZCF and AFE58JD28ZAV are intended for ultrasound imaging systems, supporting multi-channel receive signal chains with time-gain compensation (TGC), programmable gain, and CW Doppler processing. The choice depends on system architecture, particularly the desired output interface and CW demodulation approach.
Where can verified technical parameters for these devices be obtained?
Verified parameters, including channel count, package type, output interface, and CW Doppler architecture, are available from the official Texas Instruments datasheets and product pages, as well as authorized distributors such as DigiKey and Mouser. Designers should confirm all specifications against the current manufacturer documentation before design-in.