Datasheet

AFE030
www.ti.com SBOS588A –DECEMBER 2011– REVISED DECEMBER 2011
ELECTRICAL CHARACTERISTICS: Transmitter (Tx), Tx_DAC
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
Output range GND + 0.1 AV
DD
– 0.1 V
Resolution 1024 steps, 10-bit DAC 3.2 mV
Second-harmonic distortion –73 dB
Total harmonic distortion
THD Third-harmonic distortion –56 dB
at 62.5 kHz
(1)
Fourth-harmonic distortion –94 dB
Data rate 1.5 MSPS
(1) Total harmonic distortion measured at output of Tx_PGA configured in a gain of 1 V/V with an amplitude of 3 V
PP
, at a 1-MHz sample
rate.
ELECTRICAL CHARACTERISTICS: Transmitter (Tx), Tx_PGA
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
G = 1 V/V 58 kΩ
G = 0.707 V/V 68 kΩ
R
I
Input resistance
G = 0.5 V/V 77 kΩ
G = 0.25 V/V 92 kΩ
FREQUENCY RESPONSE
DAC mode enabled
G = 1 V/V 8 MHz
BW Bandwidth G = 0.707 V/V 9 MHz
G = 0.5 V/V 10 MHz
G = 0.25 V/V 12 MHz
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
GAIN
Gain error For all gains –1 ±0.1 +1 %
Gain error drift T
J
= –40°C to +125°C 6 ppm/°C
Copyright © 2011, Texas Instruments Incorporated 3
Product Folder Link(s): AFE030