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THS4509-Q1 Datasheet, PDF (4/40 Pages) Texas Instruments – WIDEBAND LOW-NOISE LOW-DISTORTION FULLY DIFFERENTIAL AMPLIFIER
THS4509-Q1
SLOS547 – NOVEMBER 2008........................................................................................................................................................................................... www.ti.com
SPECIFICATIONS, VS+ – VS– = 5 V
Test conditions unless otherwise noted: VS+ = +2.5 V, VS– = –2.5 V, G = 10 dB, CM = open, VO = 2 Vpp, RF = 349 Ω,
RL = 200 Ω differential, TA = 25°C, single-ended input, differential output, input and output referenced to mid-supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TEST
LEVEL (1)
AC Performance
Small-signal bandwidth
Gain-bandwidth product
G = 6 dB, VO = 100 mVpp
G = 10 dB, VO = 100 mVpp
G = 14 dB, VO = 100 mVpp
G = 20 dB, VO = 100 mVpp
G = 20 dB
2.0
GHz
1.9
600
MHz
275
3
GHz
Bandwidth for 0.1-dB flatness
Large-signal bandwidth
Slew rate (differential)
G = 10 dB, VO = 2 Vpp
G = 10 dB, VO = 2 Vpp
300
1.5
6600
MHz
GHz
V/µs
Rise time
0.5
ns
Fall time
2-V step
0.5
ns
Settling time to 1%
2
ns
Settling time to 0.1%
10
ns
f = 10 MHz
–104
Second-order harmonic distortion
f = 50 MHz
–80
dBc
f = 100 MHz
–68
Third-order harmonic distortion
f = 10 MHz
f = 50 MHz
–108
–92
C
dBc
f = 100 MHz
–81
Second-order intermodulation distortion
Third-order intermodulation distortion
Second-order output intercept point
200-kHz tone spacing,
RL = 499 Ω
200-kHz tone spacing,
RL = 499 Ω
200-kHz tone spacing,
RL = 100 Ω, referenced to
50-Ω output
fC = 70 MHz
fC = 140 MHz
fC = 70 MHz
fC = 140 MHz
fC = 70 MHz
fC = 140 MHz
–78
dBc
–64
–95
dBc
–78
78
dBm
58
Third-order output intercept point
200-kHz tone spacing,
fC = 70 MHz
RL = 100 Ω, referenced to
50-Ω output
fC = 140 MHz
43
dBm
38
1-dB compression point
Noise figure
fC = 70 MHz
fC = 140 MHz
50-Ω system, 10 MHz
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 (AOL)
Input offset voltage
Average offset voltage drift
Input bias current
Average bias current drift
Input offset current
Average offset current drift
TA = 25°C
TA = –40°C to 125°C
TA = –40°C to 125°C
TA = 25°C
TA = –40°C to 125°C
TA = –40°C to 125°C
TA = 25°C
TA = –40°C to 125°C
TA = –40°C to 125°C
68
dB
C
1
4 mV
A
1
5 mV
2.6
V/°C
B
8 15.5
A
A
8 18.5
20
nA/°C
B
1.6
3.6
A
A
1.6
7
4
nA/°C
B
(1) Test levels: A = 100% tested at 25°C, overtemperature limits by characterization and simulation; B = Limits set by characterization and
simulation; C = Typical value only for information.
4
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