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| THS770012_14 Datasheet, PDF (10/36 Pages) Texas Instruments – Broadband, Fully-Differential, 14-/16-Bit ADC Driver Amplifier | |||
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THS770012
SLOS669C â FEBRUARY 2010 â REVISED JANUARY 2012
www.ti.com
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS+ = +5V, VOCM = +2.5V, VOUT = 2VPP, RL = 400Ω differential, G = +12dB, differential input and output, input
and output pins referenced to midsupply, unless otherwise noted. Measured using EVM as discussed in Test Circuits section.
HARMONIC DISTORTION
vs LOAD
HARMONIC DISTORTION
vs GAIN
-65
f = 100 MHz,
VOUT = 2 VPP
-70
-50
VOUT = 2 VPP,
RL = 400 W
-60
HD2
-75
HD2
-70
HD3
-80
-80
HD3
-85
-90
-90
0
200
400
600
800
1K
RL - Load - W
Figure 16.
HARMONIC DISTORTION
vs OUTPUT COMMON-MODE VOLTAGE
-20
f = 100 MHz
-30
-40
VOUT = 3 VPP
HD2
-50
VOUT = 3 VPP
HD3
-60
-70
-80
-90
-100
-110
1.75
VOUT = 2 VPP
HD2
VOUT = 2 VPP
HD3
2
2.25
2.5
2.75
3
3.25
VOCM - Output Common-Mode Voltage - V
Figure 18.
OUTPUT INTERCEPT POINT
vs FREQUENCY
90
80
OIP2
70
60
50
40
OIP3
30
20
RL = 400 W,
10
VOUT = 3 VPP Envelope
0
50
70
90
110
130
150
170
190
Frequency - MHz
Figure 20.
-100
9
10
11
12
13
14
Gain - dB
Figure 17.
INTERMODULATION DISTORTION
vs FREQUENCY
-60
IMD2
-65
VOUT = 3 VPP Envelope,
VOUT = 2 VPP Envelope,
-70
VOUT = 1 VPP Envelope
-75
-80
IMD3
-85 VOUT = 3 VPP Envelope,
-90
VOUT = 2 VPP Envelope,
VOUT = 1 VPP Envelope
-95
-100
-105
-110 50
70
90
110 130
150
170
190
Frequency - MHz
Figure 19.
MAXIMUM DIFFERENTIAL OUTPUT VOLTAGE SWING
PEAK-TO-PEAK vs DIFFERENTIAL LOAD RESISTANCE
5.5
5.0
4.5
Maximum
Differential
4.0
VOUT_PP
3.5
3.0
2.5
2.0
1.5
1.0
10
100
1k
Load Resistance - W
Figure 21.
10
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Copyright © 2010â2012, Texas Instruments Incorporated
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