(China (Mainland))
Product Summary
The AFE5851 is an analog front-end targeting applications where the power and level of integration are critical. The device contains 16 variable gain amplifiers (VGA), followed by an octal high speed (up to 65 MSPS) analog to digital converter (ADC).
Parametrics
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted):
- AVDD3 to AVSS:-0.3 to 3.8 V
- AVDD18 to AVSS:-0.3 to 2.2 V
- DVDD18 to DVSS:-0.3 to 2.2 V
- Voltage between AVSS and DVSS:-0.3 to 0.3 V
- Analog input pins (INi) to AVSS:-0.3V to Minimum (3.6, AVDD3+0.3) V
- VREF_IN to AVSS:-0.3 to 2.2 V
- VCLKP, VCLKM to AVSS:-0.3 to 2.2 V
- Digital control pins to DVSS:-0.3 to 2.2 V
- ESD, Human body model:2 kV
- TJ, Maximum operating junction temperature: 125℃
- Tstg, Storage temperature range:-60℃ to 150 ℃
Features
1. 16 Variable Gain Amplifiers (VGA)
16 Single-Ended Buffered Inputs With 1VPP Maximum Swing
5.5nV/√Hz VCA Input Noise (31dB Gain).
Variable Gain –5dB to 31dB With 0.125dB Steps
Digital Gain Control
2. 3rd Order Anti-Aliasing Filter With Programmable Cut-Off Frequency (7.5, 10 and 14MHz).
3.Clamping
4.Analog-to-Digital Converter (ADC):
Octal channel 12-bit, 65 MSPS
32.5 MSPS Maximum per Input Channel
2 VGA Outputs Alternately Sampled by Each ADC
Internal and External Reference Support
No External Decoupling Required for References
Serial LVDS Outputs
5.1.8V and 3.3V Supply
6.39 mW Total Power per Channel at 32.5 MSPS
7.64-QFN Package (9mm × 9mm)
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Texas Instruments |
ADC / DAC Multichannel 16Ch VGA with ADC |
Data Sheet |
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