COMBOSOLAR datasheet(3/57 Pages) TI1

3 / 57 page

AFE031

www.ti.com

SBOS531D – AUGUST 2010 – REVISED MAY 2012

ELECTRICAL CHARACTERISTICS: Transmitter (Tx)

At TJ = +25°C, PA_VS = 16 V, VAVDD = VDVDD = 3.3 V, and 10 kΩ connected to PA_ISET (pin 46), unless otherwise noted.

AFE031

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Tx_DAC

Output range

GND + 0.1

AVDD – 0.1

Resolution

1,024 steps, 10-bit DAC

3.2

Total harmonic distortion at

THD

62.5 kHz(1)

Second harmonic distortion

–73

Third harmonic distortion

–56

Fourth harmonic distortion

–94

Data rate

1.5

MSPS

Tx_PGA

Input

Input voltage range

GND – 0.1

AVDD + 0.1

G = 1 V/V

G = 0.707 V/V

Input resistance

G = 0.5 V/V

G = 0.25 V/V

Frequency Response

DAC mode enabled

G = 1 V/V

MHz

Bandwidth

G = 0.707 V/V

MHz

G = 0.5 V/V

MHz

G = 0.25 V/V

MHz

Output

Voltage output swing from

RLOAD = 10 kΩ, connected to AVDD/2

100

AGND or AVDD

Sourcing

Maximum continuous

current, dc

Sinking

Output resistance

f = 100 kHz

Gain

Gain error

For all gains

–1

±0.1

Gain error drift

TJ = –40°C to +125°C

ppm/°C

(1)

Total harmonic distortion measured at output of Tx_PGA configured in a gain of 1 V/V with an amplitude of 3 VPP, at a 1-MHz sample

rate.

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