THS3215 Datasheet, PDF (17/71 Pages) Texas Instruments – THS3215 650-MHz, Differential to Single-Ended DAC Output Amplifier

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THS3215
SBOS780A – MARCH 2016 – REVISED APRIL 2016
Typical Characteristics: OPS only (continued)
at +V_CC = 6.0 V, –V_CC = –6.0 V, 25-Ω D2S source impedance, V_REF = GND, R_F = 249 Ω, R_G = 162 Ω, OPS A_V = 2.5V/V, OPS
R_LOAD = 100 Ω at pin 11, OPS enabled (DISABLE = GND), external input path selected (PATHSEL = +V_CC), and T_J ≈ 25°C
(unless otherwise noted)
-30
0.25 V_PP
1 V_PP
-40
2.5 V_PP
4 V_PP
-30
0.25 V_PP
1 V_PP
-40
2.5 V_PP
4 V_PP
-50
-50
-60
-60
-70
-70
-80
-80
-90
1
10
100
Center Frequency (MHz)
D037
±100-kHz tone separation, output voltage for each tone
Figure 37. Second-Order Intermodulation Distortion vs
Output Voltage
1000
Voltage Noise
Noninverting Current Noise
Inverting Current Noise
100
10
1
100
1k
10k
100k
1M
10M
Frequency (Hz)
D039
Figure 39. Input-Referred Spot Noise vs Frequency
11.8
11.4
11
10.6
10.2
-90
1
10
100
Center Frequency (MHz)
D038
±100-kHz tone separation, output voltage for each tone
Figure 38. Third-Order Intermodulation Distortion vs Output
Voltage
5
4
3
2
1
0
-1
-2
-3
-4
-5
10
100
1k
Load Resistance (:)
D040
Output swing with better than 0.1% linearity
Figure 40. Linear Output Swing vs Load Resistance
12
Measured V_OUT
Ideal V_OUT
8
4
0
-4
-8
9.8
-55 -35 -15 5 25 45 65 85 105 125
Junction Temperature (⁰C)
D041
30 units shown
Figure 41. Quiescent Supply Current vs Temperature
-12
0
1
2
3
4
5
Time (Ps)
D042
±4.5-V input triangular wave, OPS A_V = –2.5 V/V
Figure 42. Output Overdrive Response
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