Part A
AFE5809ZCF
德州儀器
- Lifecycle
- Active
- Stock
- 5909 件
- Package
- NFBGA-135
- Series
- 資料獲取-類比前端（AFE）
Replacement verdict
Compatible functional replacement candidate
The AFE58JD16ZAV is a viable functional replacement candidate for the AFE5809ZCF, sharing the same 16-channel ultrasound AFE architecture, 14-bit ADC resolution, and 9x9 mm BGA footprint. However, the AFE58JD16ZAV integrates a digital demodulator (DDM) and JESD204B serial interface, whereas the AFE5809ZCF provides LVDS outputs with CW Doppler processing, so system-level validation of the digital output interface and clocking scheme is required before substitution.
Channel Count
High match
ADC Resolution
High match
Output Interface
Validation required
Package Type
Validation required
Parts at a glance
Part B
AFE58JD16ZAV
德州儀器
- Lifecycle
- Active
- Stock
- 5628 件
- Package
- LFBGA-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 | AFE5809ZCF | AFE58JD16ZAV | Why it matters |
|---|---|---|---|
| Number of Channels | 8 | 16 | 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 bit depth affects dynamic range and signal-to-noise performance, influencing image quality and the ability to resolve small echoes. |
| Maximum Sampling Rate | 65 MSPS | 65 MSPS | Sampling rate sets the maximum signal bandwidth that can be digitized, which must match the transducer frequency and imaging depth requirements. |
| Integrated CW Doppler | Yes | Yes | Continuous-wave Doppler support enables blood-flow velocity measurement; both devices include this capability, preserving Doppler functionality. |
| Digital Demodulation / JESD204B | JESD204B serial output | JESD204B serial output | The serial interface standard determines board-level routing, FPGA interface compatibility, and achievable data throughput per channel. |
| Package | NFBGA (ZCF) | NFBGA (ZAV) | Package footprint and pinout must match the PCB layout; differing packages require board redesign and affect thermal and assembly considerations. |
| Supply Voltage | 1.8 V / 3.3 V | 1.8 V / 3.3 V | Supply rail requirements determine power delivery design and compatibility with existing system power architectures. |
| LNA / TGC Input Range | Integrated LNA with TGC | Integrated LNA with TGC | Integrated low-noise amplifier and time-gain compensation affect front-end sensitivity and dynamic range handling of weak echoes. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AFE5809ZCF | AFE58JD16ZAV |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC,Texas Instruments |
| Part Status | Active | Active |
| Number of Bits | 14 | 14 |
| Number of Channels | 8 | 16 |
| Power (Watts) | 158 mW | 90 mW |
| Mounting Type | Surface Mount | Surface Mount |
| 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 AFE5809ZCF and AFE58JD16ZAV?
The AFE5809ZCF and AFE58JD16ZAV are integrated analog front-end (AFE) devices from Texas Instruments designed for ultrasound imaging systems. Both integrate a complete time-gain-compensation (TGC) signal chain, including a low-noise amplifier (LNA), voltage-controlled attenuator (VCA), programmable gain amplifier (PGA), and an analog-to-digital converter (ADC), along with digital demodulation and decimation processing.
What is the key difference between the AFE5809ZCF and AFE58JD16ZAV?
The primary difference is channel count and package. The AFE5809ZCF is an 8-channel device in a 289-ball NFBGA (ZCF) package, while the AFE58JD16ZAV is a 16-channel device in a 289-ball NFBGA (ZAV) package. The AFE58JD16ZAV provides twice the channel density per package compared to the AFE5809ZCF.
Are the AFE5809ZCF and AFE58JD16ZAV pin-to-pin compatible?
No. Although both devices use a 289-ball NFBGA package, they are not pin-to-pin compatible. The AFE5809ZCF is an 8-channel device and the AFE58JD16ZAV is a 16-channel device, so the ball assignments and signal routing differ. A direct drop-in replacement is not possible without PCB redesign and validation against the respective datasheets.
What ADC resolution and sampling rate do these devices support?
Both the AFE5809ZCF and AFE58JD16ZAV integrate a 14-bit ADC with a maximum sampling rate of 65 MSPS per channel, supporting ultrasound receive signal digitization with digital I/Q demodulation and decimation.
What digital processing features are integrated in the AFE5809ZCF and AFE58JD16ZAV?
Both devices include digital demodulation with programmable decimation filters, a digital TGC engine, and continuous wave (CW) Doppler mixing. These on-chip digital features reduce FPGA resource usage and offload signal processing from the system host in ultrasound receive chains.
What are the typical power consumption characteristics of these AFEs?
Both devices are designed for low-power operation in portable and cart-based ultrasound systems. Per-channel power consumption depends on the configured sampling rate, gain settings, and enabled digital processing blocks. Designers should consult the respective TI datasheets for verified per-channel power figures at specific operating conditions.
Which applications are these AFEs intended for?
The AFE5809ZCF and AFE58JD16ZAV are intended for medical ultrasound imaging systems, including cart-based and portable ultrasound scanners. Their integrated TGC, ADC, and digital demodulation make them suitable for B-mode, color Doppler, and CW Doppler receive signal chains.
Can the AFE58JD16ZAV replace the AFE5809ZCF in an existing design?
Not directly. The AFE58JD16ZAV offers 16 channels versus 8 channels in the AFE5809ZCF, and the ball assignments differ despite both using a 289-ball NFBGA package. Replacement requires PCB redesign, revalidation of the receive chain, and confirmation of power, clocking, and digital interface compatibility against the TI datasheets for both devices.