CC2640R2FYFVT.B datasheet(26/74 Pages) TI2

26 / 74 page

Tc = 25°C, VDDS = 3.0 V and voltage scaling enabled, unless otherwise noted.(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Conversion time

Serial conversion, time-to-output, 24-MHz clock

clock-

cycles

Current consumption

Internal 4.3-V equivalent reference(2)

0.66

Current consumption

VDDS as reference

0.75

Reference voltage

Equivalent fixed internal reference (input voltage scaling

enabled). For best accuracy, the ADC conversion should

be initiated through the TIRTOS API in order to include the

gain/offset compensation factors stored in FCFG1.

4.3(2) (5)

Reference voltage

Fixed internal reference (input voltage scaling disabled).

For best accuracy, the ADC conversion should be initiated

through the TIRTOS API in order to include the gain/offset

compensation factors stored in FCFG1. This value is

derived from the scaled value (4.3 V) as follows:

Vref = 4.3 V × 1408 / 4095

1.48

Reference voltage

VDDS as reference (Also known as RELATIVE) (input

voltage scaling enabled)

VDDS

Reference voltage

VDDS as reference (Also known as RELATIVE) (input

voltage scaling disabled)

VDDS /

2.82(5)

Input impedance

200 ksps, voltage scaling enabled. Capacitive input, Input

impedance depends on sampling frequency and sampling

time

MΩ

(1)

Using IEEE Std 1241™-2010 for terminology and test methods.

(2)

Input signal scaled down internally before conversion, as if voltage range was 0 to 4.3 V.

(3)

No missing codes. Positive DNL typically varies from +0.3 to +3.5, depending on device (see Figure 8-21).

(4)

For a typical example, see Figure 8-22.

(5)

Applied voltage must be within absolute maximum ratings (Section 8.1) at all times.

8.19 Temperature Sensor

Measured on the TI CC2650EM-5XD reference design with Tc = 25°C, VDDS = 3.0 V, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Resolution

°C

Range

–40

°C

Accuracy

±5

°C

Supply voltage coefficient(1)

3.2

°C/V

(1)

Automatically compensated when using supplied driver libraries.

8.20 Battery Monitor

Measured on the TI CC2650EM-5XD reference design with Tc = 25°C, VDDS = 3.0 V, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Resolution

Range

1.8

3.8

Accuracy

CC2640R2F

SWRS204C – DECEMBER 2016 – REVISED SEPTEMBER 2020

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