Part A
AFE5832LPZAV
德州儀器
- Lifecycle
- Active
- Stock
- 6726 件
- Package
- NFBGA-289
- Series
- 資料獲取-類比前端（AFE）
Replacement verdict
Compatible functional replacement candidate
The AFE5828ZAV and AFE5832LPZAV are both Texas Instruments octal-channel ultrasound analog front ends in the same ZAV (NFBGA-289) package, sharing a common architecture and digital interface. However, they differ in channel count, power profile, and sampling performance, so the AFE5832LPZAV is a functional candidate only where the system can accommodate its higher channel count and lower power mode, and where the AFE5828ZAV's specific performance envelope is not a hard requirement. Design validation against the datasheet is required before substitution.
Channel Count
Validation required
Package Type
Validation required
Power Consumption
Validation required
Sampling Rate
Validation required
Parts at a glance
Part B
AFE5828ZAV
德州儀器
- Lifecycle
- Active
- Stock
- 3880 件
- Package
- NFBGA-289
- 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 | AFE5832LPZAV | Why it matters |
|---|---|---|---|
| Number of Channels | 8 | 32 | Channel count determines how many transducer elements can be supported; a 32-channel device can drive a larger array than an 8-channel device. |
| Analog Front-End Architecture | 8-channel fully integrated AFE with LNA, VGA, AAF, and ADC | 32-channel fully integrated AFE with LNA, VGA, AAF, and ADC | The integration level affects external component count and board complexity for the signal chain. |
| ADC Resolution | 12-bit | 12-bit | ADC resolution sets the quantization noise floor and dynamic range available for digitizing the received echo signals. |
| Maximum Sampling Rate | 65 MSPS | 65 MSPS | Sampling rate limits the achievable imaging depth and axial resolution in ultrasound receive chains. |
| LNA Gain Range | Programmable LNA gain (approximately 15 dB to 30 dB) | Programmable LNA gain (approximately 15 dB to 30 dB) | LNA gain range determines the ability to handle weak echoes while preserving dynamic range. |
| VGA Attenuation Range | Programmable VGA attenuation (approximately 0 dB to 40 dB) | Programmable VGA attenuation (approximately 0 dB to 40 dB) | VGA range supports time-gain compensation to equalize signal amplitude across imaging depth. |
| Package | ZAV package (BGA) | ZAV package (BGA) | Package type and footprint affect PCB layout, thermal handling, and mechanical fit in the system. |
| Interface | LVDS serial output | LVDS serial output | The digital output interface must match the downstream FPGA or receiver to ensure data can be captured correctly. |
| Supply Voltage | 1.8 V and 3.3 V rails | 1.8 V and 3.3 V rails | Supply requirements determine power delivery design and compatibility with existing board power rails. |
| Power Consumption | Lower total power due to fewer channels | Higher total power due to 32 channels | Power consumption affects thermal design and battery life in portable ultrasound systems. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE5832LPZAV | AFE5828ZAV |
|---|---|---|
| Part Status | Active | Active |
| Number of Bits | 10, 12 | - |
| Number of Channels | 32 | - |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the AFE5828ZAV and AFE5832LPZAV?
The AFE5828ZAV and AFE5832LPZAV are integrated analog front-end (AFE) devices from Texas Instruments designed for ultrasound imaging systems. Both integrate multiple channels of low-noise amplifiers, variable-gain amplifiers, and analog-to-digital converters to support high-channel-count ultrasound receive signal chains.
How do the channel counts of the AFE5828ZAV and AFE5832LPZAV differ?
The AFE5828ZAV integrates 8 receive channels, while the AFE5832LPZAV integrates 32 receive channels. This difference directly affects the number of transducer elements each device can support and the overall system partitioning in an ultrasound front end.
Do the AFE5828ZAV and AFE5832LPZAV use the same package?
Both devices are offered in a ZAV package (a BGA-type package). However, because the AFE5832LPZAV integrates 32 channels versus 8 channels in the AFE5828ZAV, the package footprint, pin count, and PCB land pattern differ. A direct drop-in replacement is therefore not possible without layout changes.
What is the significance of the "LP" suffix in AFE5832LPZAV?
The "LP" designation in AFE5832LPZAV indicates a low-power variant of the 32-channel AFE5832 family. It is intended for ultrasound systems where reduced power consumption per channel is a priority, while retaining the 32-channel integration of the base AFE5832 architecture.
Can the AFE5828ZAV and AFE5832LPZAV be used in the same ultrasound system design?
They can be used within the same system architecture but not interchangeably on the same PCB. The AFE5828ZAV suits lower-channel-count or modular front ends, while the AFE5832LPZAV suits high-channel-count systems. Because channel count, package footprint, and pinout differ, each requires its own PCB layout and signal-chain partitioning.
Are the AFE5828ZAV and AFE5832LPZAV pin-compatible?
No. The two devices have different channel counts and different package pinouts, so they are not pin-compatible. Designers must consult the respective Texas Instruments datasheets for exact pin assignments and land patterns before designing or substituting either part.
What should be verified before selecting between the AFE5828ZAV and AFE5832LPZAV?
Designers should verify channel count requirements, power budget per channel, package footprint and pinout, ADC resolution and sampling rate, and the supported ultrasound signal-chain configuration against the official Texas Instruments datasheets for each device. Selection should be based on system-level channel density and power constraints rather than direct substitution.