THS4509 Datasheet, PDF (6/42 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

THS4509
SLOS454H – JANUARY 2005 – REVISED NOVEMBER 2009
www.ti.com
ELECTRICAL CHARACTERISTICS: V_S+ – V_S– = 3 V
Test conditions at V_S+ = +1.5 V, V_S– = –1.5 V, G = 10 dB, CM = open, V_O = 1 V_PP, R_F = 349 Ω, R_L = 200-Ω differential,
T_A = +25°C, single-ended input, differential output, and input and output referenced to midsupply, unless otherwise noted.
PARAMETER
TEST CONDITIONS
THS4509
MIN
TYP
MAX UNIT
TEST
LEVEL ⁽¹⁾
AC PERFORMANCE
Small-signal bandwidth
Gain-bandwidth product
G = 6 dB, V_O = 100 mV_PP
G = 10 dB, V_O = 100 mV_PP
G = 14 dB, V_O = 100 mV_PP
G = 20 dB, V_O = 100 mV_PP
G = 20 dB
1.9
GHz
1.6
GHz
625
MHz
260
MHz
3
GHz
Bandwidth for 0.1-dB flatness
Large-signal bandwidth
Slew rate (differential)
G = 10 dB, V_O = 1 V_PP
G = 10 dB, V_O = 1 V_PP
400
1.5
3500
MHz
GHz
V/μs
Rise time
0.25
Fall time
Settling time to 1%
2-V step
0.25
ns
1
Settling time to 0.1%
10
f = 10 MHz
–107
2nd-order harmonic distortion
f = 50 MHz
–83
dBc
f = 100 MHz
–60
f = 10 MHz
–87
C
3rd-order harmonic distortion
f = 50 MHz
–65
dBc
f = 100 MHz
–54
2nd-order intermodulation distortion
3rd-order intermodulation distortion
2nd-order output intercept point
3rd-order output intercept point
1-dB compression point
Noise figure
200-kHz tone spacing,
R_L = 499 Ω
200-kHz tone spacing
R_L = 100 Ω
f_C = 70 MHz
f_C = 140 MHz
50 Ω system, 10 MHz
f_C = 70 MHz
f_C = 140 MHz
f_C = 70 MHz
f_C = 140 MHz
f_C = 70 MHz
f_C = 140 MHz
f_C = 70 MHz
f_C = 140 MHz
–77
–54
dBc
–77
–62
72
52
dBm
38.5
30
2.2
dBm
0.25
17.1
dB
Input voltage noise
f > 10 MHz
1.9
nV/√Hz
Input current noise
f > 10 MHz
2.2
pA/√Hz
DC PERFORMANCE
Open-loop voltage gain (A_OL)
Input offset voltage
Average offset voltage drift
Input bias current
Average bias current drift
Input offset current
Average offset current drift
T_A = +25°C
T_A = –40°C to +85°C
T_A = +25°C
T_A = –40°C to +85°C
T_A = +25°C
T_A = –40°C to +85°C
68
dB
1
mV
2.6
μV/°C
6
μA
C
20
nA/°C
1.6
μA
4
nA/°C
(1) Test levels: (A) 100% tested at +25°C. Over-temperature limits by characterization and simulation. (B) Limits set by characterization and
simulation. (C) Typical value only for information.
6
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