Part A
AFE58JD48ZAV
Texas Instruments
- Lifecycle
- Active
- Stock
- 7068 PCS
- Series
- Data Acquisition - Analog Front End (AFE)
Replacement verdict
Not a drop-in replacement
The AFE5805ZCF and AFE58JD48ZAV are not drop-in replacements for one another. Although both are Texas Instruments octal ultrasound analog front ends, they differ in channel count, package footprint, digital interface architecture, and power consumption, so a direct board-level substitution is not possible without redesign.
Different channel count
Different package footprint
Different digital interface
Different power profile
Parts at a glance
Part B
AFE5805ZCF
Texas Instruments
- Lifecycle
- Active
- Stock
- 2189 PCS
- Package
- NFBGA-135
- Series
- Data Acquisition - 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 | AFE5805ZCF | AFE58JD48ZAV | Why it matters |
|---|---|---|---|
| Number of Channels | 8 | 16 | 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 | 12 bit | 12 bit | ADC resolution affects dynamic range and image quality; matching resolution supports comparable signal fidelity. |
| Maximum Sampling Rate | 50 MSPS | 65 MSPS | Higher sampling rate supports wider signal bandwidth and finer spatial resolution, so a lower-rate device may limit imaging performance. |
| Low-Noise Amplifier (LNA) Gain Range | 10 dB to 30 dB | 10 dB to 30 dB | LNA gain range determines the ability to handle weak echo signals; comparable ranges support similar sensitivity tuning. |
| Time-Gain Compensation (TGC) Range | 40 dB | 40 dB | TGC range compensates for depth-dependent signal attenuation; matching range supports equivalent depth compensation capability. |
| Continuous Wave (CW) Doppler Support | Yes | Yes | CW Doppler capability is required for blood-flow velocity measurement; both supporting it preserves Doppler functionality. |
| Digital Interface | LVDS | LVDS | Interface type must match the host FPGA/processor; identical LVDS output simplifies board-level integration. |
| Supply Voltage | 3.3 V (analog), 1.8 V (digital) | 3.3 V (analog), 1.8 V (digital) | Supply rails must be compatible with the existing power design; matching voltages reduce redesign effort. |
| Package Type | 100-pin NFBGA (ZCF) | 289-pin NFBGA (ZAV) | Package footprint and pin count affect PCB layout and cannot be substituted without board redesign. |
| Operating Temperature Range | 0°C to 70°C | 0°C to 70°C | Temperature range must meet the application environment; matching commercial ranges support equivalent operating conditions. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE58JD48ZAV | AFE5805ZCF |
|---|---|---|
| Part Status | Active | Active |
| Number of Bits | 16 | 12 |
| Number of Channels | 16 | 8 |
| Mounting Type | Surface Mount | Surface Mount |
| Base Product Number | AFE58JD48 | - |
| Power (Watts) | 140 mW | 122 mW |
| Voltage - Supply, Analog | - | 3.15V ~ 3.47V, 5V |
| Voltage - Supply, Digital | - | 1.7V ~ 1.9V |
Frequently asked questions
What are the AFE5805ZCF and AFE58JD48ZAV?
The AFE5805ZCF is a Texas Instruments 8-channel analog front-end (AFE) for ultrasound systems, integrating low-noise amplifiers (LNA), voltage-controlled attenuators (VCA), programmable gain amplifiers (PGA), and 12-bit analog-to-digital converters (ADC) with a maximum sampling rate of 50 MSPS. The AFE58JD48ZAV is a Texas Instruments 16-channel ultrasound AFE with integrated LNA, VCA, PGA, and 12-bit ADC, featuring a maximum sampling rate of 65 MSPS and integrated digital demodulation and JESD204B serial output interface.
How do the channel counts of the AFE5805ZCF and AFE58JD48ZAV differ?
The AFE5805ZCF provides 8 analog input channels, while the AFE58JD48ZAV provides 16 analog input channels, allowing the AFE58JD48ZAV to support higher channel-density ultrasound system designs.
What are the maximum ADC sampling rates for these two AFEs?
The AFE5805ZCF integrates 12-bit ADCs with a maximum sampling rate of 50 MSPS. The AFE58JD48ZAV integrates 12-bit ADCs with a maximum sampling rate of 65 MSPS, providing higher bandwidth capability for the receive signal chain.
Do the AFE5805ZCF and AFE58JD48ZAV use the same output interface?
No. The AFE5805ZCF provides parallel LVDS output for the ADC data. The AFE58JD48ZAV provides a JESD204B serial output interface, which reduces the number of interconnects required for high-channel-count systems.
Does the AFE58JD48ZAV include digital demodulation that the AFE5805ZCF lacks?
Yes. The AFE58JD48ZAV integrates digital demodulation and decimation processing in the receive chain, whereas the AFE5805ZCF provides the analog receive path and ADC conversion without integrated digital demodulation.
Are the AFE5805ZCF and AFE58JD48ZAV pin-to-pin or package compatible?
No. The AFE5805ZCF is supplied in a 100-pin TQFP package, while the AFE58JD48ZAV is supplied in a 289-ball NFBGA package. The differing package types, pin counts, and pin functions prevent direct PCB footprint compatibility, so a redesign of the board layout is required when migrating between these devices.
Can the AFE5805ZCF be used as a direct drop-in replacement for the AFE58JD48ZAV?
No. The two devices differ in channel count (8 vs 16), package (100-pin TQFP vs 289-ball NFBGA), output interface (parallel LVDS vs JESD204B), maximum sampling rate (50 MSPS vs 65 MSPS), and integrated digital demodulation. A direct drop-in replacement is not possible; system-level redesign and validation against the respective datasheets are required.