THS4509-Q1 Datasheet, PDF (6/37 Pages) Texas Instruments – WIDEBAND LOW-NOISE LOW-DISTORTION FULLY DIFFERENTIAL AMPLIFIER

THS4509-Q1
SLOS547 – NOVEMBER 2008........................................................................................................................................................................................... www.ti.com
SPECIFICATIONS, V_S+ – V_S– = 3 V
Test conditions unless otherwise noted: V_S+ = +1.5 V, V_S– = –1.5 V, G = 10 dB, CM = open, V_O = 1 Vpp, R_F = 349 Ω,
R_L = 200 Ω differential, T_A = 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, V_O = 100 mVpp
G = 10 dB, V_O = 100 mVpp
G = 14 dB, V_O = 100 mVpp
G = 20 dB, V_O = 100 mVpp
G = 20 dB
1.9
GHz
1.6
625
MHz
260
3
GHz
Bandwidth for 0.1-dB flatness
Large-signal bandwidth
Slew rate (differential)
G = 10 dB, V_O = 1 Vpp
G = 10 dB, V_O = 1 Vpp
400
1.5
3500
MHz
GHz
V/µs
Rise time
0.25
ns
Fall time
2-V step
0.25
ns
Settling time to 1%
1
ns
Settling time to 0.1%
10
ns
f = 10 MHz
–107
Second-order harmonic distortion
f = 50 MHz
–83
dBc
f = 100 MHz
–60
f = 10 MHz
–87
C
Third-order harmonic distortion
f = 50 MHz
–65
dBc
f = 100 MHz
–54
Second-order intermodulation distortion
Third-order intermodulation distortion
Second-order output intercept point
Third-order output intercept point
1-dB compression point
Noise figure
200-kHz tone spacing,
R_L = 499 Ω
200-kHz tone spacing,
R_L = 499 Ω
200-kHz tone spacing
R_L = 100 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
dBc
–54
–77
dBc
–62
72
dBm
52
38.5
dBm
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 125°C
T_A = 25°C
T_A = –40°C to 125°C
T_A = 25°C
T_A = –40°C to 125°C
68
dB
1
mV
2.6
V/°C
6
A
C
20
nA/°C
1.6
A
4
nA/°C
(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.
6
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