Datasheet

AFE030
SBOS588A –DECEMBER 2011– REVISED DECEMBER 2011 www.ti.com
ELECTRICAL CHARACTERISTICS: Transmitter (Tx), Tx_FILTER
At T
J
= +25°C, PA_V
S
= 16 V, V
AVDD
= V
DVDD
= 3.3 V, and PA_ISET (pin 46) connected to ground, unless otherwise noted.
AFE030
PARAMETER CONDITIONS MIN TYP MAX UNIT
INPUT
Input voltage range GND – 0.1 AV
DD
+ 0.1 V
Input resistance
R
I
43 kΩ
(Tx_F_IN1 and Tx_F_IN2)
FREQUENCY RESPONSE
CENELEC A Mode
Passband frequency –3 dB 95 kHz
Stop band attenuation –50 –60 dB
Stop band frequency 910 kHz
Filter gain 0 dB
CENELEC B/C/D MODES
Passband frequency –3 dB 145 kHz
Stop band attenuation –50 –60 dB
Stop band frequency 870 kHz
Filter gain 0 dB
OUTPUT
Voltage output swing from R
LOAD
= 10 kΩ,
V
O
10 100 mV
AGND or AV
DD
connected to AV
DD
/2
Sourcing 25 mA
I
O
Maximum continuous current, dc
Sinking 25 mA
R
O
Output resistance f = 100 kHz 1 Ω
TRANSMITTER NOISE
CENELEC Band A Noise-reducing capacitor = 1 nF
435 μV
RMS
Integrated
(40 kHz to 90 kHz) from pin 19 to ground
noise at
CENELEC Bands B/C/D Noise-reducing capacitor = 1 nF
PA output
(1)
460 μV
RMS
(95 kHz to 140 kHz) from pin 19 to ground
(1) Includes DAC, Tx_PGA, Tx_Filter, PA, and REF1 bias generator.
4 Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): AFE030