ADS1258IPHPREP datasheet(14/57 Pages) TI

tên linh kiện	ADS1258IPHPREP

Giải thích chi tiết về linh kiện	16-CHANNEL, 24-BIT ANALOG-TO-DIGITAL CONVERTER

PDF	57 Pages

Scroll/Zoom	100%

nhà sản xuất	TI [Texas Instruments]

Trang chủ	http://www.ti.com

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14 / 57 page

Temperature (

_C)

−40

−20

120

100

Frequency(Hz)

-20

-40

-60

-80

-100

-120

-140

-160

-180

100k

100

10k

f=1kHz, 0.5dBFS

DRATE[1:0]=11

65536Points

Temperature (

_C)

210

200

190

180

170

160

150

140

−40

−20

120

100

Temperature Reading (

_C)

50 units from two production lots.

A = +25_ C

ADS1258-EP

SBAS445C – MARCH 2009 – REVISED DECEMBER 2009

www.ti.com

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = +3.3V, fCLK = 16MHz (external clock) or fCLK = 15.729MHz (internal

clock), OPA227 buffer between MUX outputs and ADC inputs, VREFP = +2.048V, and VREFN = –2.048V, unless otherwise

noted.

INTEGRAL NONLINEARITY vs TEMPERATURE

OUTPUT SPECTRUM

Figure 26.

Figure 27.

TEMPERATURE SENSOR VOLTAGE vs TEMPERATURE

TEMPERATURE SENSOR READING HISTOGRAM

Figure 28.

Figure 29.

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