Datasheet
THS4271
THS4275
SLOS397F –JULY 2002–REVISED OCTOBER 2009
www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= 5 V
At R
F
= 249 Ω, R
L
= 499 Ω, G = +2, unless otherwise noted.
TYP OVER TEMPERATURE
(1)
MIN/
PARAMETER TEST CONDITIONS TYP/
0°C to –40°C to
+25°C +25°C UNITS
MAX
+70°C +85°C
AC PERFORMANCE
G = 1, V
O
= 100 mV
PP
, R
L
= 150 Ω 1.2 GHz Typ
G = –1, V
O
= 100 mV
PP
380 MHz Typ
Small-signal bandwidth G = 2, V
O
= 100 mV
PP
360 MHz Typ
G = 5, V
O
= 100 mV
PP
80 MHz Typ
G = 10, V
O
= 100 mV
PP
35 MHz Typ
0.1-dB flat bandwidth G = 1, V
O
= 100 mV
PP
, R
L
= 150 Ω 120 MHz Typ
Gain bandwidth product G > 10, f = 1 MHz 350 MHz Typ
Full-power bandwidth G = –1, V
O
= 2 V
p
60 MHz Typ
G = 1, V
O
= 2 V Step 700 V/μs Typ
Slew rate
G = –1, V
O
= 2 V Step 750 V/μs Typ
Settling time to 0.1% G = –1, V
O
= 2 V Step 18 ns Typ
Settling time to 0.01% G = –1, V
O
= 2 V Step 66 ns Typ
Harmonic distortion G = 1, V
O
= 1 V
PP
, f = 30 MHz
R
L
= 150 Ω 75 dBc Typ
Second harmonic distortion
R
L
= 499 Ω 72 dBc Typ
R
L
= 150 Ω -70 dBc Typ
Third harmonic distortion
R
L
= 499 Ω 70 dBc Typ
G = 2, V
O
= 1 V
PP
, R
L
= 150Ω,
Third-order intermodulation (IMD
3
) -65 dBc Typ
f = 70 MHz
G = 2, V
O
= 1 V
PP
, R
L
= 150Ω,
Third-order output intercept (OIP
3
) 32 dBm Typ
f = 70 MHz
Input voltage noise f = 1 MHz 3 nV/√Hz Typ
Input current noise f = 10 MHz 3 pA/√Hz Typ
DC PERFORMANCE
Open-loop voltage gain (A
OL
) V
O
= ± 50 mV, R
L
= 499 Ω 68 63 60 60 dB Min
Input offset voltage V
CM
= V
S
/2 5 10 12 12 mV Max
Average offset voltage drift V
CM
= V
S
/2 ±10 ±10 μV/°C Typ
Input bias current V
CM
= V
S
/2 6 15 18 18 μA Max
Average bias current drift V
CM
= V
S
/2 ±10 ±10 nA/°C Typ
Input offset current V
CM
= V
S
/2 1 6 8 8 μA Max
Average offset current drift V
CM
= V
S
/2 ±10 ±10 nA/°C Typ
INPUT CHARACTERISTICS
Common-mode input range 1/4 1.3/3.7 1.4/3.6 1.5/3.5 V Min
Common-mode rejection ratio V
CM
= ± 0.5 V, V
O
= 2.5 V 72 67 65 65 dB Min
Input resistance Common-mode 5 MΩ Typ
Input capacitance Common-mode / differential 0.4/0.8 pF Typ
OUTPUT CHARACTERISTICS
Output voltage swing G = +2 1.2/3.8 1.4/3.6 1.5/3.5 1.5/3.5 V Min
Output current (sourcing) R
L
= 10 Ω 120 100 90 90 mA Min
Output current (sinking) R
L
= 10 Ω 65 50 40 40 mA Min
Output impedance f = 1 MHz 0.1 Ω Typ
(1) See Maximum Die Temperature to Prevent Oscillation section in the Application Information of this data sheet.
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