Part A
AFE5832ZBV
德州儀器
- Lifecycle
- Active
- Stock
- 2381 件
- Package
- FBGA-289
- Series
- 資料獲取-類比前端（AFE）
Replacement verdict
Not a drop-in replacement
The AFE5805ZCF and AFE5832ZBV are not drop-in replacements for one another. They differ in channel count, package footprint, power architecture, and interface configuration, so a direct board-level substitution is not feasible without redesign of the analog front-end, power delivery, and digital interface.
Different channel count
Different package footprint
Different power architecture
Different digital interface
Parts at a glance
Part B
AFE5805ZCF
德州儀器
- Lifecycle
- Active
- Stock
- 2189 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 | AFE5805ZCF | AFE5832ZBV | Why it matters |
|---|---|---|---|
| Number of Channels | 8 | 32 | Channel count determines how many transducer elements can be processed simultaneously, directly affecting system architecture and imaging capability. |
| ADC Resolution | 12 bit | 12 bit | ADC bit depth sets the dynamic range and quantization noise floor of the receive path. |
| Max Sampling Rate | 50 MSPS | 80 MSPS | Higher sampling rate supports wider signal bandwidth and better spatial resolution in ultrasound imaging. |
| LNA Gain Range | 10 dB to 40 dB | 10 dB to 40 dB | Low-noise amplifier gain range determines the sensitivity and dynamic range of the receive front end. |
| Output Interface | LVDS | LVDS | The digital output interface must match the downstream FPGA or receiver to ensure data can be captured correctly. |
| Package | 100-pin NFBGA (ZCF) | 289-pin NFBGA (ZBV) | Package footprint and pin count affect PCB layout, thermal design, and mechanical compatibility of the board. |
| 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 tree to allow drop-in or minimal redesign. |
| Power Consumption per Channel | Approx. 120 mW/ch | Approx. 60 mW/ch | Per-channel power affects thermal budget and is critical in high-channel-count portable ultrasound systems. |
| Integrated CW Doppler | No | Yes | Continuous-wave Doppler support enables blood-flow measurement modes; its absence limits clinical functionality. |
| Operating Temperature Range | 0°C to 70°C | -40°C to 85°C | Temperature range determines suitability for industrial or medical environments and reliability margins. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE5832ZBV | AFE5805ZCF |
|---|---|---|
| Supplier | Texas Instruments | - |
| Part Status | Active | Active |
| Number of Bits | 12 | 12 |
| Number of Channels | 32 | 8 |
| Power (Watts) | 42 mW | 122 mW |
| Voltage - Supply, Analog | 3V ~ 3.3V | 3.15V ~ 3.47V, 5V |
| Voltage - Supply, Digital | 3V ~ 3.3V | 1.7V ~ 1.9V |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the AFE5805ZCF and AFE5832ZBV, and how do their channel counts differ?
The AFE5805ZCF is an 8-channel analog front-end (AFE) for ultrasound from Texas Instruments, integrating a low-noise amplifier (LNA), voltage-controlled attenuator (VCA), programmable gain amplifier (PGA), and 12-bit analog-to-digital converter (ADC) per channel. The AFE5832ZBV is a 32-channel ultrasound AFE that integrates an LNA, VCA, PGA, and 12-bit ADC per channel. The primary architectural difference is channel density: 8 channels for the AFE5805ZCF versus 32 channels for the AFE5832ZBV.
Are the AFE5805ZCF and AFE5832ZBV pin-to-pin or package compatible?
No. The AFE5805ZCF is supplied in a 100-pin TQFP package (ZCF suffix), while the AFE5832ZBV is supplied in a 289-ball NFBGA package (ZBV suffix). The package types, pin counts, and pin functions differ, so they are not drop-in replacements and require different PCB footprints and layouts.
How do the ADC resolutions and sample rates of the AFE5805ZCF and AFE5832ZBV compare?
Both devices integrate 12-bit ADCs. The AFE5805ZCF provides a maximum ADC sampling rate of 50 MSPS per channel. The AFE5832ZBV provides a maximum ADC sampling rate of 40 MSPS per channel. Designers should confirm the required per-channel sample rate against the system's ultrasound signal bandwidth and time-gain compensation requirements.
What are the typical power consumption characteristics of these two AFEs?
The AFE5805ZCF is specified at approximately 122 mW per channel typical, yielding roughly 976 mW total for the 8-channel device. The AFE5832ZBV is specified at approximately 60 mW per channel typical, yielding roughly 1.92 W total for the 32-channel device. The AFE5832ZBV offers lower per-channel power, which is advantageous for high-channel-count systems, while the AFE5805ZCF has lower total power for low-channel-count designs.
Which device is better suited for high-channel-count ultrasound systems?
The AFE5832ZBV is better suited for high-channel-count systems because it integrates 32 channels per device, reducing the number of ICs, board area, and interconnect complexity compared with using multiple 8-channel AFE5805ZCF devices. The AFE5805ZCF remains appropriate for lower-channel-count or space-constrained designs where 8 channels per package are sufficient.
Do the AFE5805ZCF and AFE5832ZBV support the same digital output interface?
Both devices provide serial LVDS digital output interfaces for their integrated 12-bit ADCs. However, the exact output data format, lane configuration, and timing details differ between the two products and must be verified against the respective Texas Instruments datasheets before designing the digital back-end or FPGA interface.
Can the AFE5805ZCF be replaced by the AFE5832ZBV in an existing design without changes?
No. Because the two devices differ in channel count (8 vs 32), package (100-pin TQFP vs 289-ball NFBGA), per-channel sample rate (50 MSPS vs 40 MSPS), power per channel, and pinout, a direct replacement is not possible. Any migration requires a new PCB layout, revised clocking and digital interface design, and revalidation against the AFE5832ZBV datasheet.