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 AFE5832LPZAV is a viable functional replacement candidate for the AFE5809ZCF in ultrasound receive signal chain designs, offering a higher channel count and lower power per channel, though the reduced sample rate, different package footprint, and distinct serialization interface require careful validation before adoption.
Channel Count
Validation required
Maximum Sample Rate
Not compatible
Package Type
Not compatible
Serialization Interface
Validation required
Parts at a glance
Part B
AFE5809ZCF
德州儀器
- Lifecycle
- Active
- Stock
- 5909 件
- Package
- NFBGA-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 | AFE5809ZCF | AFE5832LPZAV | Why it matters |
|---|---|---|---|
| Number of Channels | 8 | 32 | Channel count determines how many transducer elements can be processed simultaneously, directly affecting imaging system architecture and channel-count compatibility. |
| ADC Resolution | 14 bit | 12 bit | ADC resolution affects dynamic range and signal-to-noise performance; a drop from 14-bit to 12-bit changes achievable image quality and quantization noise. |
| Maximum ADC Sampling Rate | 65 MSPS | 40 MSPS | Sampling rate limits the maximum signal bandwidth and achievable axial resolution, so a lower rate constrains high-frequency imaging performance. |
| LNA Gain Range | 24 dB (fixed) | 18 dB to 33 dB (programmable) | Programmable LNA gain allows optimization of the receive chain for different signal levels, whereas a fixed gain limits flexibility in dynamic range management. |
| Integrated CW Doppler Beamformer | Yes | No | An integrated continuous-wave Doppler beamformer supports blood-flow velocity measurement; its absence requires external circuitry for CW Doppler functionality. |
| Total Power Consumption | Approximately 1.1 W (typical) | Approximately 1.4 W (typical) | Power consumption impacts thermal design and battery life in portable ultrasound systems; higher dissipation may require additional thermal management. |
| Package Type | 144-pin NFBGA (ZCF) | 289-pin NFBGA (ZAV) | Package footprint and pin count determine PCB layout compatibility; different packages are not drop-in interchangeable and require board redesign. |
| Output Interface | LVDS | LVDS | Both use LVDS serial output, but the number of output lanes differs with channel count, affecting FPGA/back-end interface design. |
| Operating Temperature Range | 0°C to 85°C | -40°C to 85°C | A wider industrial temperature range enables use in harsher environments and affects reliability margins in system design. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE5832LPZAV | AFE5809ZCF |
|---|---|---|
| Part Status | Active | Active |
| Number of Bits | 10, 12 | 14 |
| Number of Channels | 32 | 8 |
| Mounting Type | Surface Mount | Surface Mount |
| Power (Watts) | - | 158 mW |
| Voltage - Supply, Analog | - | 1.7V ~ 1.9V, 3.15V ~ 3.6V, 5V |
| Voltage - Supply, Digital | - | 1.7V ~ 1.9V |
Frequently asked questions
What are the primary functional differences between the AFE5809ZCF and the AFE5832LPZAV?
The AFE5809ZCF is an 8-channel fully integrated analog front-end (AFE) for ultrasound systems that includes a continuous wave (CW) Doppler mixer, a digital I/Q demodulator, and a low-voltage differential signaling (LVDS) output interface. The AFE5832LPZAV is a 32-channel fully integrated AFE that integrates a time-gain compensation (TGC) amplifier, a 12-bit analog-to-digital converter (ADC), and a digital I/Q demodulator, but it does not include the CW Doppler mixer found in the AFE5809ZCF. The AFE5832LPZAV is designed for higher channel-count systems and offers a low-power mode.
Are the AFE5809ZCF and AFE5832LPZAV pin-to-pin or package compatible?
No. The AFE5809ZCF is supplied in a 289-ball NFBGA (ZCF) package, while the AFE5832LPZAV is supplied in a 289-ball NFBGA (ZAV) package. Although both use a 289-ball NFBGA body, the ball assignments and pin functions differ between the two devices, so they are not drop-in replacements for each other. PCB layout and ballout must be redesigned or verified against the respective datasheets.
How do the channel counts of the AFE5809ZCF and AFE5832LPZAV compare?
The AFE5809ZCF integrates 8 receive channels per device, while the AFE5832LPZAV integrates 32 receive channels per device. This four-fold difference in channel density affects system partitioning, board area, and the number of devices required for a given transducer array size.
Do both devices include continuous wave (CW) Doppler capability?
No. The AFE5809ZCF includes an integrated continuous wave (CW) Doppler mixer, which is used for high-sensitivity blood flow measurements in ultrasound systems. The AFE5832LPZAV does not integrate a CW Doppler mixer; CW processing in systems using the AFE5832LPZAV must be handled by external circuitry or a separate device.
What are the ADC resolution and output interface differences between the AFE5809ZCF and AFE5832LPZAV?
Both devices use a 12-bit ADC per channel. The AFE5809ZCF provides an LVDS output interface for digitized data. The AFE5832LPZAV also provides a digital output interface for its 12-bit ADC data and integrates a digital I/Q demodulator to reduce output data rate. Designers should consult the respective datasheets for the exact output formats and timing specifications.
Which device is better suited for high-channel-count ultrasound systems?
The AFE5832LPZAV is better suited for high-channel-count ultrasound systems because it integrates 32 channels per device, reducing the number of AFE packages required for large transducer arrays. The AFE5809ZCF, with 8 channels per device, is typically used in lower-channel-count or portable systems where its integrated CW Doppler mixer is beneficial.
Do the AFE5809ZCF and AFE5832LPZAV support low-power operating modes?
The AFE5832LPZAV is specified with a low-power mode intended to reduce power consumption in power-sensitive ultrasound designs. The AFE5809ZCF is specified for low-power operation as well, but the specific power figures and available power-down modes differ between the two devices. Exact power consumption values should be taken from the respective manufacturer datasheets.