THS3120_16 Datasheet, PDF (12/35 Pages) Texas Instruments – LOW-NOISE, HIGH-OUTPUT DRIVE, CURRENT-FEEDBACK OPERATIONAL AMPLIFIERS

THS3120
THS3121
SLOS420E – SEPTEMBER 2003 – REVISED OCTOBER 2009........................................................................................................................................ www.ti.com
TYPICAL CHARACTERISTICS (±15 V) (continued)
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INVERTING LARGE-SIGNAL
TRANSIENT RESPONSE
6
5
4
Output
3
2
1
0
Input
-1
-2
-3
Gain = -5,
-4
R_L = 50 Ω,
R_F = 499 Ω,
-5
V_S = ±15 V
-6
0.04 0.05 0.06 0.07 0.08 0.09 0.1
0.11 0.12
t - Time - µs
Figure 25.
OVERDRIVE RECOVERY TIME
20
4
Gain = 2,
15
R_F = 648 Ω,
3
V_S = ±15 V
10
2
5
1
0
0
-5
-1
-10
-2
-15
-3
-20
-4
0
0.2
0.4
0.6
0.8
1
t - Time - µs
Figure 26.
DIFFERENTIAL GAIN
vs
NUMBER OF LOADS
0.07
Gain = 2,
0.06
R_F = 649 Ω,
V_S = ±15 V,
40 IRE − NTSC and PAL,
0.05 ^{Worst Case ±100 IRE Ramp}
0.04
PAL
0.03
NTSC
0.02
0.01
0
0 1234 567 8
Number of 150 Ω Loads
Figure 27.
DIFFERENTIAL PHASE
vs
NUMBER OF LOADS
0.14
Gain = 2,
R_F = 649 Ω,
0.12 V_S = ±15 V,
40 IRE - NTSC and PAL,
Worst Case ±100 IRE Ramp
0.1
0.08
PAL
NTSC
0.06
0.04
0.02
0
0 1 2345 6 78
Number of 150 Ω Loads
Figure 28.
CLOSED-LOOP OUTPUT
IMPEDANCE
vs
FREQUENCY
100
Gain = 2,
R_F = 649 Ω,
V_S = ±15 V
10
1
0.1
0.01
1M
10 M
100 M
1G
f − Frequency − Hz
Figure 29.
TURN-ON AND TURN-OFF
TIME DELAY
1.5
1
0.5
Output Voltage
0
−0.5
Powerdown Pulse
6
5
4
3
Gain = 5,
2
V_I = 0.1 Vdc
1
R_L = 50 Ω
V_S = ±15 V and ±5 V
0
−1
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
t − Time − ms
Figure 31.
POWER-DOWN QUIESCENT
CURRENT
vs
SUPPLY VOLTAGE
400
350
300
T_A = 85°C
250
200
T_A = −40°C
150
T_A = 25°C
100
50
0
3
5
7
9
11 13 15
V_S − Supply Voltage − ±V
Figure 30.
12
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