THS3491 Datasheet, PDF (5/28 Pages) Texas Instruments – 900-MHz, High-Power Output, Current Feedback Amplifier

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THS3491
SBOS875 – AUGUST 2017
7.5 Electrical Characteristics: V_S = ±15 V
at +V_S = 15 V, –V_S = –15 V, T_A = 25°C, R_LOAD = 100 Ω, noninverting gain = 5 V/V, and RGT package: R_F = 576 Ω,
R_G = 143 Ω, or DDA package: R_F = 798 Ω, R_G = 200 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
AC PERFORMANCE
SSBW Small-signal bandwidth
LSBW Large-signal bandwidth
BW_FLAT Bandwidth for 0.2-dB flatness
SR
Slew rate
OS/US Overshoot and undershoot
t_r
Rise time
t_f
Fall time
t_s
Settling time to 0.1%
HD2
Second-order harmonic
distortion
HD3 Third-order harmonic distortion
IMD2
2nd-order two-tone
intermodulation distortion
IMD3
3rd-order two-tone
intermodulation distortion
e_n
Input-referred voltage noise
e_ip
Noninverting, input-referred
current noise
e_in
Inverting, input-referred current
noise
Z_OUT Close-loop output impedance
DC PERFORMANCE
Z_OL
Open-loop transimpedance gain
V_OS
Input offset voltage
V_OS
drift
Input offset voltage drift
I_b+
I_b+ drift
Noninverting input bias current
Noninverting input bias current
drift
I_b-
Inverting input bias current
V_O = 2 V_PP, < 0.5-dB peaking
V_O = 10 V_PP, < 1-dB peaking
V_O = 2 V_PP
V_O = 20 V_PP
V_O = 10-V step, G = 5, R_LOAD = 100 Ω,
input t_r = 1.0 ns
V_O = 10-V step, G = 5, R_LOAD = 100 Ω,
input t_r = 1.0 ns
V_O = 10-V step, G = 5, R_LOAD = 100 Ω,
input t_f = 1.0 ns
V_O = 10-V step, G = 5, R_LOAD = 100 Ω,
input t_r = 1.0 ns
f = 20 MHz, R_LOAD = 100 Ω, V_O = 10 V_PP
f = 50 MHz, R_LOAD = 100 Ω, V_O = 10 V_PP
f = 70 MHz, R_LOAD = 100 Ω, V_O = 10 V_PP
f = 100 MHz, R_LOAD = 100 Ω, V_O = 10 V_PP
f = 20 MHz, R_LOAD = 100 Ω, V_O = 20 V_PP
f = 50 MHz, R_LOAD = 100 Ω, V_O = 20 V_PP
f = 70 MHz, R_LOAD = 100 Ω, V_O = 20 V_PP
f = 100 MHz, R_LOAD = 100 Ω, V_O = 20 V_PP
f = 20 MHz, R_LOAD = 100 Ω, V_O = 10 V_PP
f = 50 MHz, R_LOAD = 100 Ω, V_O = 10 V_PP
f = 70 MHz, R_LOAD = 100 Ω, V_O = 10 V_PP
f = 100 MHz, R_LOAD = 100 Ω, V_O = 10 V_PP
f = 20 MHz, R_LOAD = 100 Ω, V_O = 20 V_PP
f = 50 MHz, R_LOAD = 100 Ω, V_O = 20 V_PP
f = 70 MHz, R_LOAD = 100 Ω, V_O = 20 V_PP
f = 100 MHz, R_LOAD = 100 Ω, V_O = 20 V_PP
f = 20 MHz, 5 V_PP each, 100-kHz tone
spacing
f = 20 MHz, 5 V_PP each, 100-kHz tone
spacing
f > 10 kHz
f > 10 kHz
f > 10 kHz
f = 100 MHz
V_O = ±10 V, R_LOAD = 500 Ω
–40°C ≤ T_J ≤ +125°C
–40°C ≤ T_J ≤ +125°C
900
320
350
8000
1.5%
1.3
1.3
7
–78
–76
–76
–76
–58
–55
–52
–45
–83
–69
–59
–49
–55
–50
–40
–38
–75
–85
1.70
15
20
1
6
10
–1.0
1
3
–5
1.5
15
–15
4
MHz
MHz
MHz
V/µs
ns
ns
ns
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
nV/√Hz
pA/√Hz
pA/√Hz
Ω
MΩ
2.0 mV
µV/°C
5 µA
nA/°C
15 µA
TEST
LEVEL
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
A
A
B
A
B
A
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