ZHCSH90A 数据表 | 德州仪器 TI.com.cn

ZHCSH90A January 2015 – December 2017 VSP5324-Q1

PRODUCTION DATA.

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机械数据 (封装 | 引脚)

RGC|64
- MPQF125F

散热焊盘机械数据 (封装 | 引脚)

RGC|64
- QFND004Q

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6.12 Typical Characteristics

Typical values are at 25°C, V_(AVDD) = 1.8 V, V_(LVDD) = 1.8 V, 80-MSPS sampling clock frequency, 50% clock duty cycle, and –1-dBFS differential analog input, unless otherwise noted.

SNR = 69.6 dBFS	SINAD = 69.5 dBFS
SFDR = 89.3 dBc	THD = 85.9 dBc
Sample Rate = 80 MSPS

Figure 4. FFT for 5-MHz Input Signal

SNR = 68.5 dBFS	SINAD = 67.8 dBFS
SFDR = 76.5 dBc	THD = 75 dBc
Sample Rate = 80 MSPS

Figure 6. FFT for 65-MHz Input Signal

SNR = 69.6 dBFS	SINAD = 69.4 dBFS
SFDR = 84.8 dBc	THD = 83.2 dBc
Sample Rate = 80 MSPS

Figure 5. FFT for 15-MHz Input Signal

SNR = 69.8 dBFS	SINAD = 69.7 dBFS
SFDR = 85.1 dBc	THD = 84.7 dBc
Sample Rate = 40 MSPS

Figure 7. FFT For 5-MHz Input Signal

SNR = 69.6 dBFS	SINAD = 69.5 dBFS
SFDR = 86.8 dBc	THD = 84 dBc
Sample Rate = 40 MSPS

Figure 8. FFT for 15-MHz Input Signal

Figure 10. Signal-to-Noise Ratio (SNR) vs Input Signal Frequency

Figure 12. SNR vs Digital Gain

ƒ_IN = 5 MHz

Figure 14. Performance vs Input Signal Amplitude

ƒ_IN = 5 MHz

Figure 16. Performance vs Input Clock Duty Cycle

ƒ_IN = 5 MHz	External reference using the VCM pin

Figure 18. Performance in External Reference Mode

ƒ_IN = 5 MHz

Figure 20. SFDR vs AVDD and Temperature

ƒ_IN = 5 MHz

Figure 22. SFDR vs DVDD and Temperature

A 0.7-V_PP 5-MHz sine-wave input is applied on the INx_P pin
The INx_M pin is connected to the device VCM pin

Figure 24. SFDR vs Temperature for Single-ended Input

Figure 26. Differential Nonlinearity

Figure 28. Filter Response (Decimate-by-2)

Figure 30. Digital High-Pass Filter Response

Figure 32. FFT With HPF Enabled and Disabled
(No Input Signal)

Figure 34. FFT (0 MHz to 1 MHz) for 5-MHz Input Signal
(Sample Rate = 80 MSPS With Low-Frequency Noise Suppression Enabled)

Figure 36. Analog Supply Current

Figure 38. Digital Supply Current

SNR = 67.2 dBFS	SINAD = 66.6 dBFS
SFDR = 76.5 dBc	THD = 74 dBc
Sample Rate = 40 MSPS

Figure 9. FFT for 65-MHz Input Signal

Figure 11. Spurious-Free-Dynamic Range (SFDR) vs Input Signal Frequency

Figure 13. SFDR vs Digital Gain

ƒ_IN = 5 MHz

Figure 15. Performance vs Input Clock Amplitude

ƒ_IN = 5 MHz

Figure 17. Performance vs Input Common-Mode

ƒ_IN = 5 MHz

Figure 19. SNR vs AVDD and Temperature

ƒ_IN = 5 MHz

Figure 21. SNR vs DVDD and Temperature

A 0.7-V_PP 5-MHz sine-wave input is applied on the INx_P pin
The INx_M pin is connected to the device VCM pin

Figure 23. SNR vs Temperature For Single-Ended Input

Figure 25. Integral Nonlinearity

ƒ_IN = 3 MHz	50-mV_PP signal superimposed on the input common-mode

Figure 27. CMRR vs Frequency

Figure 29. Filter Response (Decimate-by-4)

SNR = 70.8 dBFS	SINAD = 70.7 dBFS	SFDR = 88.7 dBc
THD = 87.3 dBc	Decimate-by-2 filter enabled

Figure 31. FFT for 5-MHz Input Signal
(Sample Rate = 80 MSPS With Decimation Filter = 2)

SNR = 70.8 dBFS	SINAD = 70.7 dBFS
SFDR = 88.7 dBc	THD = 87.3 dBc

Figure 33. FFT (Full-Band) for 5-MHz Input Signal
(Sample Rate = 80 MSPS With Low-Frequency Noise Suppression Enabled)

Figure 35. FFT (39 MHz to 40 MHz) for 5-MHz Input Signal
(Sample Rate = 80 MSPS With Low-Frequency Noise Suppression Enabled)

Figure 37. Power Consumption on Analog Supply

Figure 39. Power Consumption on Digital Supply