THS4509_14 Datasheet, PDF (4/43 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– = 5 V
Test conditions are at V_S+ = +2.5 V, V_S– = –2.5 V, G = 10 dB, CM = open, V_O = 2 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
2.0
GHz
1.9
GHz
600
MHz
275
MHz
3
GHz
Bandwidth for 0.1-dB flatness
Large-signal bandwidth
Slew rate (differential)
G = 10 dB, V_O = 2 V_PP
G = 10 dB, V_O = 2 V_PP
300
1.5
6600
MHz
GHz
V/μs
Rise time
0.5
Fall time
Settling time to 1%
2-V step
0.5
ns
2
Settling time to 0.1%
10
f = 10 MHz
–104
2nd-order harmonic distortion
f = 50 MHz
–80
dBc
f = 100 MHz
–68
f = 10 MHz
–108
C
3rd-order harmonic distortion
f = 50 MHz
–92
dBc
f = 100 MHz
–81
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, referenced
to 50-Ω output
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
–78
–64
dBc
–95
–78
78
58
dBm
43
38
12.2
dBm
10.8
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 = –40°C to +85°C
T_A = +25°C
T_A = –40°C to +85°C
T_A = –40°C to +85°C
T_A = +25°C
T_A = –40°C to +85°C
T_A = –40°C to +85°C
68
dB
C
1
4 mV
A
1
5 mV
2.6
μV/°C
B
8
15.5
μA
A
8
18.5
20
nA/°C
B
1.6
3.6
μA
A
1.6
7
4
nA/°C
B
(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.
4
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