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AFE5809 - 全集成、8 通道具有 CW 无源混频器和数字 I/Q 解调功能的超声波模拟前端
AFE5809是TI公司的一款医疗电子模拟前端产品，AFE5809是全集成、8 通道具有 CW 无源混频器和数字 I/Q 解调功能的超声波模拟前端，本页介绍了AFE5809的产品说明、应用、特性等，并给出了与AFE5809相关的TI元器件型号供参考。
AFE5809 - 全集成、8 通道具有 CW 无源混频器和数字 I/Q 解调功能的超声波模拟前端 - 医疗电子模拟前端 - 模拟前端(AFE) - TI公司（Texas Instruments，德州仪器）
产品特性
- 8-Channel Complete Analog Front-End
- LNA, VCAT, PGA, LPF, ADC, and CW Mixer
- Programmable Gain Low-Noise Amplifier (LNA)
- 24-, 18-, 12-dB Gain
- 0.25-, 0.5-, 1-VPP Linear Input Range
- 0.63-, 0.7-, 0.9-nV/rtHz Input Referred Noise
- Programmable Active Termination
- 40-dB Low-Noise Voltage Controlled Attenuator (VCAT)
- 24-/30-dB Programmable Gain Amplifier (PGA)
- Third-Order Linear Phase Low-Pass Filter (LPF)
- 10, 15, 20, 30 MHz
- 14-Bit Analog-to-Digital Converter (ADC)
- 77 dBFS SNR at 65 MSPS
- LVDS Outputs
- Noise, Power Optimizations (Without Digital Demodulator)
- 158 mW/CH at 0.75 nV/rtHz, 65 MSPS
- 101 mW/CH at 1.1 nV/rtHz, 40 MSPS
- 80 mW/CH at CW Mode
- Excellent Device-to-Device Gain Matching
- ±0.5 dB (Typical) and ±1 dB (Maximum)
- Digital I/Q Demodulator after ADC
- Wide Range Demodulation Frequency
- <1 kHz Frequency Resolution
- Decimation Filter Factor M = 1 to 32
- 16xM Tap FIR Decimation Filter
- LVDS Rate Reduction after Demodulation
- On-Chip RAM With 32 Preset Profiles
- Low Harmonic Distortion
- Low-Frequency Sonar Signal Processing
- Fast and Consistent Overload Recovery
- Passive Mixer for Continuous Wave Doppler (CWD)
- Low Close-in Phase Noise –156 dBc/Hz at 1 kHz off 2.5-MHz Carrier
- Phase Resolution of 1/16λ
- Support 16×, 8×, 4×, and 1× CW Clocks
- 12-dB Suppression on Third and Fifth Harmonics
- Flexible Input Clocks
- Small Package: 15 mm × 9 mm, 135-BGA
产品应用
- Medical Ultrasound Imaging
- Nondestructive Evaluation Equipments
- Sonar Applications
产品说明
The AFE5809 device is a highly-integrated analog front-end (AFE) solution specifically designed for ultrasound systems in which high performance and small size are required. The AFE5809 device integrates a complete time-gain-control (TGC) imaging path and a CWD path. The device also enables users to select one of various power and noise combinations to optimize system performance. Therefore, the AFE5809 device is a suitable ultrasound AFE solution not only for high-end systems, but also for portable ones.
产品器件信息
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| AFE5809 | NFBGA (135) | 15.00 mm × 9.00 mm |
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