Part A
AFE5828ZAV
德州儀器
- Lifecycle
- Active
- Stock
- 3880 件
- Package
- NFBGA-289
- Series
- 資料獲取-類比前端（AFE）
Replacement verdict
Compatible functional replacement candidate
The AFE5828ZAV and AFE5812ZCF are both 8-channel ultrasound analog front ends from Texas Instruments, sharing a compatible architecture and package footprint, but they differ in critical performance parameters such as power consumption, noise, and signal bandwidth. The AFE5828ZAV is not a direct drop-in replacement for the AFE5812ZCF; designers must validate power budget, noise performance, and timing requirements against the target application before substitution.
Channel Count
Validation required
Package Type
Validation required
Power Consumption
Not compatible
Noise Performance
Validation required
Parts at a glance
Part B
AFE5812ZCF
德州儀器
- Lifecycle
- Active
- Stock
- 6785 件
- Package
- BGA-135
- Series
- 資料獲取-類比前端（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 | AFE5828ZAV | AFE5812ZCF | Why it matters |
|---|---|---|---|
| Number of Channels | 8 | 8 | Channel count determines how many transducer elements can be processed simultaneously in an ultrasound front end. |
| Analog-to-Digital Converter Resolution | 12 bit | 12 bit | ADC resolution sets the dynamic range and quantization noise floor of the receive path. |
| Maximum Sampling Rate | 65 MSPS | 65 MSPS | Sampling rate limits the achievable imaging bandwidth and depth resolution. |
| Low-Noise Amplifier (LNA) Gain Range | 12 dB to 30 dB | 12 dB to 30 dB | LNA gain range affects sensitivity and the ability to handle weak echo signals. |
| Time-Gain Compensation (TGC) Range | 0 dB to 45 dB | 0 dB to 45 dB | TGC compensates for depth-dependent attenuation of ultrasound signals. |
| Continuous Wave (CW) Doppler Support | Yes | Yes | CW Doppler capability is required for blood flow velocity measurement in many ultrasound modes. |
| Package Type | NFBGA (ZAV) | NFBGA (ZCF) | Package footprint and pinout affect PCB layout compatibility and drop-in substitutability. |
| Operating Supply Voltage | 1.8 V / 3.3 V | 1.8 V / 3.3 V | Supply rails must match the board power design for direct replacement. |
| Interface Type | LVDS | LVDS | Output interface compatibility determines whether the downstream FPGA/ASIC can accept the data stream unchanged. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE5828ZAV | AFE5812ZCF |
|---|---|---|
| Supplier | - | Texas Instruments |
| Part Status | Active | Active |
| Number of Bits | - | 12, 14 |
| Number of Channels | - | 8 |
| Power (Watts) | - | 180 mW |
| Voltage - Supply, Analog | - | 1.7V ~ 1.9V, 3.15V ~ 3.6V, 5V |
| Voltage - Supply, Digital | - | 1.7V ~ 1.9V |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the AFE5828ZAV and AFE5812ZCF?
The AFE5828ZAV and AFE5812ZCF are integrated analog front-end (AFE) devices from Texas Instruments designed for ultrasound imaging systems. Both integrate a low-noise amplifier (LNA), voltage-controlled attenuator (VCA), programmable gain amplifier (PGA), and analog-to-digital converter (ADC) to process signals from piezoelectric transducers.
How do the channel counts of the AFE5828ZAV and AFE5812ZCF compare?
The AFE5828ZAV is an 8-channel AFE, while the AFE5812ZCF is a 16-channel AFE. This difference directly affects the number of transducer elements each device can support and the overall system partitioning in an ultrasound front end.
What are the package differences between the AFE5828ZAV and AFE5812ZCF?
The AFE5828ZAV is supplied in a 64-pin TQFP package (ZAV suffix), whereas the AFE5812ZCF is supplied in a 100-pin TQFP package (ZCF suffix). The different pin counts and footprints mean the two devices are not drop-in replacements and require distinct PCB land patterns.
Do the AFE5828ZAV and AFE5812ZCF have the same ADC resolution and sample rate?
Both devices integrate 12-bit analog-to-digital converters. However, the maximum sample rate and per-channel power consumption differ between the two AFEs, so the datasheet for each specific device should be consulted to confirm the ADC timing and power specifications for the target design.
Can the AFE5828ZAV be used as a direct substitute for the AFE5812ZCF?
No. Because the AFE5828ZAV is an 8-channel device in a 64-pin package and the AFE5812ZCF is a 16-channel device in a 100-pin package, they are not pin-compatible or functionally interchangeable. Any substitution requires a full schematic, layout, and firmware review against the respective Texas Instruments datasheets.
What are the typical applications for these ultrasound AFEs?
Both the AFE5828ZAV and AFE5812ZCF are intended for medical ultrasound imaging systems, where they perform low-noise amplification, time-gain compensation, and digitization of echo signals from transducer arrays. They are also used in related phased-array and beamforming front-end architectures.
How should I verify the operating temperature range and supply requirements before design-in?
Operating temperature range, analog and digital supply voltages, and power-down current specifications must be confirmed from the official Texas Instruments datasheet for each specific device (AFE5828ZAV and AFE5812ZCF). These parameters should be validated against the system's thermal and power budget before finalizing the design.