THS770006_14 Datasheet, PDF (10/40 Pages) Texas Instruments – Broadband, Fully-Differential, 14-/16-Bit ADC DRIVER AMPLIFIER

THS770006
SBOS520B – JULY 2010 – REVISED JANUARY 2012
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TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, V_S+ = +5V, V_OCM = +2.5V, V_OUT = 2V_PP, R_L = 400Ω differential, G = +6dB, differential input and output, and
input and output pins referenced to midsupply, unless otherwise noted. Measured using EVM as discussed in Test Circuits
section.
HARMONIC DISTORTION
vs INPUT COMMON-MODE RANGE
-20
V_OCM = 2.5V
HD2 V_OUT = 3V_PP
-30
f = 100MHz
HD3 V_OUT = 3V_PP
R_L = 400W
HD2 V_OUT = 2V_PP
-40
HD3 V_OUT = 2V_PP
-50
INTERMODULATION DISTORTION
vs FREQUENCY, V_OUT = 2V_PP, 3V_PP ENVELOPE
-65
IMD2, V_OUT = 3V_PP Envelope
-70 _{IMD2, VOUT = 2VPP Envelope}
-75
R_L = 400W
-80
-85
-60
-70
-80
-90
1.0
1.5
2.0
2.5
3.0
3.5
Input Common-Mode Voltage at Device Pins (V)
-90
-95
-100
-105
-110
50M
75M
IMD3, V_OUT = 3V_PP Envelope
IMD3, V_OUT = 2V_PP Envelope
100M 125M 150M
Frequency (Hz)
175M
200M
Figure 13.
Figure 14.
INTERMODULATION DISTORTION
vs FREQUENCY, V_OUT = 0.9V_PP ENVELOPE
-30
R_L = 400W
-40 _{VOUT = 0.9VPP Envelope}
-50
-60
IMD2
-70
-80
IMD3
-90
-100
-110
100M
1G
Frequency (Hz)
Figure 15.
90
80
70
60
50
40
30
20
10
0
50M
OUTPUT INTERCEPT POINT
vs FREQUENCY
OIP2
OIP3
R_L = 400W
V_OUT = 3V_PP Envelope
100M
150M
Frequency (Hz)
Figure 16.
200M
MAXIMUM DIFFERENTIAL OUTPUT VOLTAGE SWING
PEAK-TO-PEAK vs DIFFERENTIAL LOAD RESISTANCE
5.5
5.0
4.5
Maximum
Differential
4.0
V_{OUT_PP}
3.5
3.0
2.5
2.0
1.5
1.0
10
100
1k
Load Resistance (W)
Figure 17.
MAXIMUM/MINIMUM SINGLE-ENDED OUTPUT VOLTAGE
vs DIFFERENTIAL LOAD RESISTANCE
4.0
3.5
Maximum Single-Ended V_OUT
3.0
2.5
2.0
Minimum Single-Ended V_OUT
1.5
1.0
10
100
1k
Load Resistance (W)
Figure 18.
10
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