AFE031 datasheet(9/59 Pages) TI2

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AFE031

www.ti.com

SBOS531E – AUGUST 2010 – REVISED JUNE 2019

Product Folder Links: AFE031

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Electrical Characteristics: Transmitter (Tx) (continued)

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.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

(2)

Includes DAC, Tx_PGA, Tx_Filter, PA, and REF1 bias generator.

Gain

Gain error

For all gains

–1%

±0.1%

Gain error drift

TJ = –40°C to +125°C

ppm/°C

Tx_FILTER

Input

Input voltage range

GND – 0.1

AVDD + 0.1

Input resistance

(Tx_F_IN1 and Tx_F_IN2)

kΩ

Frequency Response

CENELEC A Mode

Passband frequency

–3 dB

kHz

Stop band attenuation

–50

–60

Stop band frequency

910

kHz

Filter gain

CENELEC B/C/D Modes

Passband frequency

–3 dB

145

kHz

Stop band attenuation

–50

–60

Stop band frequency

870

kHz

Filter gain

Output

Voltage output swing from

AGND or AVDD

RLOAD = 10 kΩ, connected to AVDD/2

100

Maximum continuous current,

Sourcing

Sinking

Output resistance

f = 100 kHz

Transmitter Noise

Integrated noise at PA output(2)

CENELEC Band A

(40 kHz to 90 kHz)

Noise-reducing capacitor = 1 nF from

pin 19 to ground

435

μVRMS

CENELEC Bands B/C/D

(95 kHz to 140 kHz)

Noise-reducing capacitor = 1 nF from

pin 19 to ground

460

μVRMS

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