Datasheet
THS4511
SLOS471E –SEPTEMBER 2005–REVISED NOVEMBER 2009
www.ti.com
ELECTRICAL CHARACTERISTICS: V
S+
– V
S–
= 5 V
Test conditions unless otherwise noted: V
S+
= 5 V, V
S–
= 0 V, G = 0 dB, CM = open, V
O
= 2 V
PP
, R
F
= 349 Ω, R
L
= 200 Ω
differential, T = +25°C single-ended input, differential output, input referenced to ground, and output referenced to midsupply.
THS4511
TEST
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS LEVEL
(1)
AC PERFORMANCE (see Figure 38)
G = 0 dB, V
O
= 100 mV
PP
1.6
Small-Signal Bandwidth GHz
G = 6 dB, V
O
= 100 mV
PP
1.4
Gain-Bandwidth Product 2 GHz
G = 0 dB, V
O
= 2 V
PP
160
Bandwidth for 0.1-dB flatness MHz
G = 6 dB, V
O
= 2 V
PP
620
Large-Signal Bandwidth G = 10 dB, V
O
= 2 V
PP
1.35 GHz
Slew Rate (Differential) 4900 V/µs
Rise Time V
O
= 2-V Step 0.5 ns
Fall Time 0.5 ns
Settling Time to 1% 3.3 ns
Settling Time to 0.1% 16 ns
f = 10 MHz –117
f = 50 MHz –80
2
nd
Order Harmonic Distortion
f = 100 MHz –64
dBc
f = 10 MHz –106
C
f = 50 MHz –92
3
rd
Order Harmonic Distortion
f = 100 MHz –80
f
C
= 70 MHz –78
2
nd
Order Intermodulation Distortion
f
C
= 140 MHz –56
200-kHz tone spacing,
dBc
R
L
= 100 Ω
f
C
= 70 MHz –88
3
rd
Order Intermodulation Distortion
f
C
= 140 MHz –71.4
f
C
= 70 MHz 76.3
2
nd
Order Output Intercept Point
f
C
= 140 MHz 53.4
200-kHz tone spacing,
dBm
R
L
= 100 Ω
f
C
= 70 MHz 42
3
rd
Order Output Intercept Point
f
C
= 140 MHz 34
f
C
= 70 MHz 12.2
1-dB Compression Point
(2)
dBm
f
C
= 140 MHz 10.8
Noise Figure 50-Ω system, 10 MHz 21.8 dB
Input Voltage Noise f > 10 MHz 2 nV/√Hz
Input Current Noise f > 10 MHz 1.5 pA/√Hz
DC PERFORMANCE
Open-Loop Voltage Gain (A
OL
) 63 dB C
T
A
= +25°C 1 4
Input Offset Voltage mV A
T
A
= –40°C to +85°C 1 5
Average Offset Voltage Drift 2.3 µV/°C B
T
A
= +25°C 1.75 8 15.5
Input Bias Current µA A
T
A
= –40°C to +85°C 8 18.5
Average Bias Current Drift 20 nA/°C B
T
A
= +25°C 0.5 3.6
Input Offset Current µA A
T
A
= –40°C to +85°C 0.5 7
Average Offset Current Drift 7 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.
(2) The 1-dB compression point is measured at the load with 50-Ω double termination. Add 3 dB to refer to amplifier output.
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