COMBOSMARTMETER datasheet(12/60 Pages) TI1

12 / 60 page

100

200

300

400

500

600

700

800

900

PGA Gain

AVDD = 3 V

AVDD = 5 V

G013

Number of Channels Disabled

AVDD = 3 V

AVDD = 5 V

G014

−180

−160

−140

−120

−100

−80

−60

−40

−20

8 10 12 14 16 18 20 22 24 26 28 30 32

Frequency (kHz)

PGA Gain = 1

THD = −96 dB

SNR = 74 dB

Data Rate = 64 kSPS

G011

100

200

300

400

500

600

PGA Gain

AVDD = 3 V

AVDD = 5 V

G012

−24

−16

−8

−1

−0.8 −0.6 −0.4 −0.2

0.2

0.4

0.6

0.8

Input (Normalized to Full−Scale)

−40°C

+105°C

+25°C

G009

−180

−160

−140

−120

−100

−80

−60

−40

−20

100

200

300

400

500

Frequency (Hz)

PGA Gain = 1

THD = −97 dB

SNR = 117 dB

Data Rate = 1 kSPS

G010

ADS131E04

ADS131E06

ADS131E08

SBAS561A – JUNE 2012 – REVISED APRIL 2013

www.ti.com

TYPICAL CHARACTERISTICS (continued)

All plots are at TA = +25°C, AVDD = 3 V, AVSS = 0 V, DVDD = 1.8 V, internal VREFP = 2.4 V, VREFN = AVSS, external

clock = 2.048 MHz, data rate = 8 kSPS, and gain = 1, unless otherwise noted.

INL vs TEMPERATURE

THD FFT PLOT

Figure 9.

Figure 10.

FFT PLOT

OFFSET vs PGA GAIN (Absolute Value)

Figure 11.

Figure 12.

OFFSET DRIFT vs PGA GAIN

ADS131E08 CHANNEL POWER

Figure 13.

Figure 14.

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Product Folder Links: ADS131E04 ADS131E06 ADS131E08

COMBOSMARTMETER Datasheet(PDF) 12 Page - Texas Instruments

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