ADC14155NBASLASHEM datasheet(14/34 Pages) TI1

tên linh kiện	ADC14155NBA/EM

Giải thích chi tiết về linh kiện	14-Bit, 155-MSPS, 1.1-GHz Bandwidth A/D Converter

PDF	34 Pages

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nhà sản xuất	TI1 [Texas Instruments]

Trang chủ	http://www.ti.com

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14 / 34 page

AGND

To Internal Circuitry

I/O

ADC14155QML-SP

SNAS378J – NOVEMBER 2008 – REVISED MARCH 2018

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Product Folder Links: ADC14155QML-SP

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(1)

The inputs are protected as shown below. Input voltage magnitudes above VA or below GND will not damage this device, provided

current is limited per Note 5. However, errors in the A/D conversion can occur if the input goes above 2.6 V or below GND as described

in the Recommended Operating Conditions section.

(2)

To ensure accuracy, it is required that |VA – VD| ≤ 100 mV and separate bypass capacitors are used at each power supply pin.

(3)

With the test condition for VREF = 1 V (2-VP-P differential input), the 14-bit LSB is 122.1 µV.

6.11 Typical Performance Characteristics, DNL, INL

Unless otherwise specified, the following specifications apply: AGND = DGND = DRGND = 0 V, VA = VD = 3.3 V, VDR = 1.8 V,

Internal VREF = 1 V, fCLK = 155 MHz, VCM = VRM, CL = 5 pF/pin, Differential Analog Input, Single-Ended Clock Mode, Offset

Binary Format. Typical values are for TA = 25°C.

(1) (2) (3)

Figure 3. DNL

Figure 4. INL

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