ADS8028 datasheet(12/36 Pages) TI2

Part #	ADS8028

Description	12-Bit, 1-MSPS, 8-Channel, SAR ADC with Internal Reference and Internal Temperature Sensor

PDF	36 Pages

Scroll/Zoom	100%

Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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12 / 36 page

−4

−2

2.7

3.2

3.7

4.2

4.7

5.2

AVDD, Analog Supply Voltage (V)

DVDD = 1.8 V

G030

−4

−2

2.7

3.2

3.7

4.2

4.7

5.2

AVDD, Analog Supply Voltage (V)

DVDD = 1.8 V

G031

100

105

110

100

200

300

400

500

Input Frequency (kHz)

G032

−40 −25 −10

110 125

−1.5

−1

−0.5

0.5

1.5

Temperature (°C)

G034

100

Time (Seconds)

G034

ADS8028

SBAS549B – MAY 2011 – REVISED MARCH 2012

www.ti.com

TYPICAL CHARACTERISTICS (continued)

All plots at TA = +25°C, AVDD = 3.0 V, DVDD = 3.0 V,

fSAMPLE = 1 MHz, fSCLK = 20 MHz, and VREF = 2.5 V internal, unless otherwise noted.

OFFSET ERROR vs AVDD

GAIN ERROR vs AVDD

Figure 26.

Figure 27.

CROSSTALK vs INPUT FREQUENCY

TEMPERATURE SENSOR ACCURACY

Figure 28.

Figure 29.

TEMPERATURE SENSOR RESPONSE TO THERMAL SHOCK

– FROM ROOM TEMPERATURE INTO 50°C STIRRED OIL

Figure 30.

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