THS1030CPWR datasheet(22/39 Pages) TI1

tên linh kiện	THS1030CPWR

Giải thích chi tiết về linh kiện	3-V TO 5.5-V, 10-BIT, 30MSPS CMOS ANALOG-TO-DIGITAL CONVERTER

PDF	39 Pages

Scroll/Zoom	100%

nhà sản xuất	TI1 [Texas Instruments]

Trang chủ	http://www.ti.com

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THS1030

3V TO 5.5V, 10BIT, 30 MSPS

CMOS ANALOGTODIGITAL CONVERTER

SLAS243E − NOVEMBER 1999 − REVISED DECEMBER 2003

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PRINCIPLES OF OPERATION

operating configuration examples (continued)

AIN

REFTS

REFBS

REFTF

REFBF

REFSENSE

MODE

1.4 V

0.6 V

0.1

µF

0.1

µF

0.1

µF

VREF = 1.6 V

1 V

1.4 V

0.6 V

1 V

AIN+

AIN−

AVDD

Figure 25. Differential Operation

Figure 26 shows a center span configuration for an input waveform swinging between 0.2 V and 1.9 V. Pins

REFTS and REFBS are connected to a voltage source of 1.05 V, equal to the mid-scale of the input waveform.

REFTF−REFBF should be set equal to the span of the input waveform, 1.7 V, so VREF is connected to an

external source of 1.7 V. REFSENSE must be connected to AVDD to disable the ORG output to VREF (see

Figure 23) to allow this external source to be applied.

AIN

REFTS

REFBS

REFTF

REFBF

REFSENSE

MODE

1.9 V

0.2 V

0.1

µF

0.1

µF

0.1

µF

1.05 V

DC SOURCE = 1.05 V

VREF

DC SOURCE = 1.7 V

AVDD

Figure 26. Center Span Operation

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