AFE5804_1 Datasheet, PDF (25/61 Pages) Texas Instruments – FULLY-INTEGRATED, 8-CHANNEL ANALOG FRONT-END FOR ULTRASOUND 0.89nV/√Hz, 12-Bit, 40MSPS, 101mW/Channel

AFE5804
www.ti.com.................................................................................................................................................. SBOS442B – JUNE 2008 – REVISED NOVEMBER 2008
TYPICAL CHARACTERISTICS (continued)
AVDD_5V = 5.0V, AVDD1 = VDD2 = DVDD = 3.3V, LVDD = 1.8V, single-ended input into LNA, ac-coupled with 1.0µF,
V_CNTL = 1.0V, f_IN 5MHz, Clock = 40MSPS, 50% duty cycle, internal reference mode, ISET = 56kΩ, LVDS buffer setting =
3.5mA, at ambient temperature T_A = +25°C, unless otherwise noted.
CROSSTALK vs V_CNTL
CROSSTALK vs V_CNTL
-60
-60
PW Mode
PW Mode
-65
PGA = 20dB, -6dBFS
-65
PGA = 20dB, -1dBFS
-70
10MHz
-75
5MHz
-80
2MHz
-85
-70
10MHz
-75
5MHz
-80
2MHz
-85
-90
0.6
-60
-65
0.7
0.8
0.9
1.0
1.1
1.2
V_CNTL (V)
Figure 67.
CROSSTALK vs V_CNTL
PW Mode
PGA = 25dB, -6dBFS
-90
0.6
-60
-65
0.7
0.8
0.9
1.0
1.1
1.2
V_CNTL (V)
Figure 68.
CROSSTALK vs V_CNTL
PW Mode
PGA = 25dB, -1dBFS
-70
10MHz
-75
5MHz
-80
2MHz
-85
-70
10MHz
-75
5MHz
-80
2MHz
-85
-90
0.6
-60
-65
-70
-75
-80
-85
0.7
0.8
0.9
1.0
1.1
1.2
V_CNTL (V)
Figure 69.
CROSSTALK vs V_CNTL
PW Mode
PGA = 27dB, -6dBFS
10MHz
5MHz
2MHz
-90
0.6
0.7
0.8
0.9
1.0
1.1
1.2
V_CNTL (V)
Figure 70.
CROSSTALK vs V_CNTL
-60
PW Mode
PGA = 27dB, -1dBFS
-65
10MHz
-70
-75
5MHz
-80
2MHz
-85
-90
0.6
0.7
0.8
0.9
1.0
1.1
1.2
V_CNTL (V)
Figure 71.
-90
0.6
0.7
0.8
0.9
1.0
1.1
1.2
V_CNTL (V)
Figure 72.
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