Part A
AFE5832LPZAV
Texas Instruments
- Lifecycle
- Active
- Stock
- 6726 PCS
- Package
- NFBGA-289
- Series
- Acquisição de dados - Front End analógico (AFE)
Replacement verdict
Compatible functional replacement candidate
The AFE5832LPZAV and AFE5812ZCF are both octal-channel ultrasound analog front-end devices from Texas Instruments, sharing a common architecture and 15 mm × 15 mm NFBGA footprint. However, they differ in ADC resolution, maximum sample rate, and input-referred noise performance, so the AFE5832LPZAV can serve as a functional upgrade candidate for AFE5812ZCF designs only after validating timing, clocking, and digital interface compatibility.
Channel Count
Validation required
ADC Resolution
Not compatible
Maximum Sample Rate
Not compatible
Package Type
Validation required
Parts at a glance
Part B
AFE5812ZCF
Texas Instruments
- Lifecycle
- Active
- Stock
- 6785 PCS
- Package
- BGA-135
- Series
- Acquisição de dados - Front End analógico (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 | AFE5832LPZAV | AFE5812ZCF | Why it matters |
|---|---|---|---|
| Number of Channels | 32 | 8 | Channel count determines how many transducer elements can be supported, directly affecting system architecture and imaging capability. |
| ADC Resolution | 12 bit | 12 bit | ADC resolution affects dynamic range and quantization noise, influencing image quality and small-signal detection. |
| Max ADC Sampling Rate | 80 MSPS | 65 MSPS | Higher sampling rate supports higher-frequency transducers and wider bandwidth, improving axial resolution. |
| LNA Gain Range | 12 dB to 30 dB | 12 dB to 30 dB | LNA gain range determines the ability to amplify weak echo signals while maintaining noise performance. |
| TGC Range | 0 dB to 45 dB | 0 dB to 45 dB | Time-gain compensation range affects the ability to equalize signal amplitude across imaging depth. |
| Continuous Wave (CW) Doppler Support | Yes | Yes | CW Doppler capability is essential for measuring high-velocity blood flow without aliasing. |
| Package Type | NFBGA (ZAV) | NFBGA (ZCF) | Package type and footprint affect PCB layout, thermal management, and mechanical compatibility. |
| Operating Supply Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | Supply voltage requirements determine power supply design and compatibility with system rails. |
| Power Consumption per Channel | ~50 mW/ch | ~65 mW/ch | Power per channel impacts thermal design and battery life in portable ultrasound systems. |
| Interface Type | LVDS | LVDS | Output interface compatibility determines the digital backend and FPGA connection requirements. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE5832LPZAV | AFE5812ZCF |
|---|---|---|
| Supplier | - | Texas Instruments |
| Part Status | Active | Active |
| Number of Bits | 10, 12 | 12, 14 |
| Number of Channels | 32 | 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 primary differences between the AFE5832LPZAV and the AFE5812ZCF?
The AFE5832LPZAV is a 32-channel, low-power analog front-end (AFE) for ultrasound systems, featuring a 12-bit ADC and a maximum sampling rate of 80 MSPS. The AFE5812ZCF is an 8-channel AFE with a 12-bit ADC and a maximum sampling rate of 65 MSPS. The AFE5832LPZAV integrates more channels and supports a higher sampling rate, while the AFE5812ZCF is designed for lower channel-count applications.
Are the AFE5832LPZAV and AFE5812ZCF pin-to-pin compatible?
No. The AFE5832LPZAV is supplied in a 289-ball NFBGA package, while the AFE5812ZCF is supplied in a 196-ball NFBGA package. The different ball counts and footprints prevent direct pin-to-pin compatibility.
Can the AFE5832LPZAV and AFE5812ZCF operate from the same power supply voltages?
Both devices typically require a 1.8 V analog supply and a 1.8 V digital supply, with additional supply rails for specific internal blocks. However, exact supply voltage tolerances and current consumption differ between the two devices, so the power delivery network must be designed according to each device's respective datasheet.
Which device supports a higher maximum ADC sampling rate?
The AFE5832LPZAV supports a maximum ADC sampling rate of 80 MSPS, while the AFE5812ZCF supports a maximum ADC sampling rate of 65 MSPS. The AFE5832LPZAV therefore offers a higher maximum sampling rate.
Do both devices include continuous wave (CW) Doppler processing capability?
Yes. Both the AFE5832LPZAV and the AFE5812ZCF integrate continuous wave (CW) Doppler processing blocks, which are commonly used in ultrasound systems for blood flow measurement.
What is the channel count for each device?
The AFE5832LPZAV provides 32 channels, while the AFE5812ZCF provides 8 channels. The channel count is a primary selection criterion when choosing between these two AFEs.
Are these devices suitable for portable ultrasound applications?
Both devices are designed for ultrasound signal processing and include power-management features. The AFE5832LPZAV is specifically characterized as a low-power device, making it suitable for power-sensitive designs. The AFE5812ZCF is also used in ultrasound systems, but the AFE5832LPZAV's higher channel density and low-power design may offer advantages in portable or compact systems where board space and power consumption are critical.
Can the AFE5812ZCF be used as a drop-in replacement for the AFE5832LPZAV?
No. The two devices differ in channel count, package size, pinout, and maximum sampling rate. A drop-in replacement is not possible without redesigning the PCB, adjusting the power supply, and validating the system firmware and signal chain for the different channel count and timing characteristics.