Part A
AFE5816ZAV
텍사스 인스트루먼트(주)
- Lifecycle
- Active
- Stock
- 2161 PCS
- Package
- NFBGA-289
- Series
- 데이터 수집 - 아날로그 프런트엔드(AFE)
Replacement verdict
Compatible functional replacement candidate
The AFE5816ZAV and AFE5808ZCF are both 8-channel ultrasound analog front ends from Texas Instruments sharing a common architecture and 15 mm × 9 mm NFBGA-289 footprint, making them strong functional replacement candidates. However, the AFE5816ZAV offers a higher maximum sampling rate (65 MSPS versus 50 MSPS) and a different package designation (ZAV versus ZCF), so the system clock, digital interface timing, and board-level thermal and layout assumptions must be validated before substitution.
Channel Count
High match
Package Type
High match
Maximum Sampling Rate
Validation required
Package Designator
Validation required
Parts at a glance
Part B
AFE5808ZCF
텍사스 인스트루먼트(주)
- Lifecycle
- Active
- Stock
- 357 PCS
- Package
- BGA-135
- Series
- 데이터 수집 - 아날로그 프런트엔드(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 | AFE5816ZAV | AFE5808ZCF | Why it matters |
|---|---|---|---|
| Number of Channels | 16 | 8 | Channel count determines how many transducer elements can be processed simultaneously, directly affecting system architecture and board layout. |
| ADC Resolution | 14 bit | 12 bit | Higher ADC resolution provides greater dynamic range and finer signal detail, which impacts image quality in ultrasound receive chains. |
| Max Sampling Rate | 65 MSPS | 65 MSPS | Sampling rate sets the maximum signal bandwidth the ADC can digitize; matching rates ease timing and clocking reuse across designs. |
| LNA Gain Range | 12 dB to 30 dB | 12 dB to 30 dB | Low-noise amplifier gain range determines sensitivity to weak echoes and overall receive-chain noise performance. |
| Total Power per Channel | Approx. 50 mW/ch | Approx. 65 mW/ch | Power per channel affects thermal design and battery life in portable ultrasound systems; lower power enables denser channel counts. |
| Package | NFBGA (ZAV) | NFBGA (ZCF) | Package footprint and pinout must match the PCB layout; differing packages require board redesign for substitution. |
| Continuous Wave (CW) Doppler Support | Yes | Yes | CW Doppler capability is required for blood-flow velocity measurement; both supporting it preserves that clinical function. |
| Operating Temperature Range | 0°C to 70°C | 0°C to 70°C | Temperature range must cover the target application environment; matching ranges ensure equivalent reliability in the same system. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE5816ZAV | AFE5808ZCF |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC,Texas Instruments |
| Part Status | Active | Active |
| Number of Bits | 12, 14 | 12, 14 |
| Number of Channels | 16 | 8 |
| Power (Watts) | 94 mW | 158 mW |
| Voltage - Supply, Analog | 1.7V ~ 2V, 3V ~ 3.3V | 1.7V ~ 1.9V, 3.15V ~ 3.6V, 5V |
| Voltage - Supply, Digital | 1.15V ~ 1.25V, 1.7V ~ 1.9V | 1.7V ~ 1.9V |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the AFE5816ZAV and AFE5808ZCF?
The AFE5816ZAV and AFE5808ZCF are fully 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) into a single device.
How do the channel counts of the AFE5816ZAV and AFE5808ZCF differ?
The AFE5816ZAV is an 8-channel AFE, while the AFE5808ZCF is also an 8-channel AFE. Both devices provide eight independent receive channels in a single package.
What are the key differences in ADC resolution and sampling rate between the two devices?
The AFE5816ZAV integrates a 14-bit ADC with a maximum sampling rate of 65 MSPS. The AFE5808ZCF integrates a 12-bit ADC with a maximum sampling rate of 65 MSPS. The primary difference is ADC resolution (14-bit vs. 12-bit).
Do the AFE5816ZAV and AFE5808ZCF use the same package type?
No. The AFE5816ZAV is offered in a 289-ball NFBGA (ZAV) package, while the AFE5808ZCF is offered in a 289-ball NFBGA (ZCF) package. Both are 289-ball NFBGA packages, but the package designators differ, so PCB land patterns and pinouts should be verified against the respective datasheets before substitution.
What are the typical power consumption figures for these AFEs?
The AFE5816ZAV typically consumes approximately 1.1 W total across 8 channels at 65 MSPS. The AFE5808ZCF typically consumes approximately 1.0 W total across 8 channels at 65 MSPS. Exact power depends on operating conditions and should be confirmed from the respective datasheets.
Can the AFE5816ZAV and AFE5808ZCF be used interchangeably in an existing design?
No, they should not be treated as drop-in replacements. Although both are 8-channel ultrasound AFEs in 289-ball NFBGA packages, they differ in ADC resolution (14-bit vs. 12-bit), package designator (ZAV vs. ZCF), and pinout. A direct substitution requires full validation of pin compatibility, digital interface timing, and system performance against the target design.
What digital output interface do these AFEs provide?
Both the AFE5816ZAV and AFE5808ZCF provide LVDS serialized digital output for the ADC data. The exact output data format and lane configuration should be verified in the respective device datasheets, as the 14-bit and 12-bit ADC resolutions result in different output data widths.
What are the typical applications for the AFE5816ZAV and AFE5808ZCF?
Both devices are intended for medical ultrasound imaging systems, including portable and cart-based ultrasound scanners, as well as other high-channel-count receive applications requiring integrated LNA, VCA, PGA, and ADC signal chains.