Datasheet
THS3120
THS3121
SLOS420E –SEPTEMBER 2003–REVISED OCTOBER 2009........................................................................................................................................
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ELECTRICAL CHARACTERISTICS
At V
S
= ±15 V, R
F
= 649 Ω, R
L
= 50 Ω, and G = 2, unless otherwise noted.
TYP OVER TEMPERATURE
0°C to –40°C to MIN/TYP/
PARAMETER TEST CONDITIONS +25°C +25°C +70°C +85°C UNIT MAX
AC PERFORMANCE
G = 1, R
F
= 806 Ω, V
O
= 200 mV
PP
130
G = 2, R
F
= 649 Ω, V
O
= 200 mV
PP
120
Small-signal bandwidth, –3 dB
G = 5, R
F
= 499 Ω, V
O
= 200 mV
PP
105
MHz TYP
G = 10, R
F
= 301 Ω, V
O
= 200 mV
PP
66
0.1-dB bandwidth flatness G = 2, R
F
= 649 Ω, V
O
= 200 mV
PP
90
Large-signal bandwidth G = 5, R
F
= 499 Ω , V
O
= 2 V
PP
80
G = 1, V
O
= 4-V step, R
F
= 806 Ω 1500
Slew rate (25% to 75% level) V/µs TYP
G = 2, V
O
= 8-V step, R
F
= 649 Ω 1700
Recommended maximum SR for
Slew rate 900 V/µs MAX
repetitive signals
(1)
Rise and fall time G = –5, V
O
= 10-V step, R
F
= 499 Ω 10 ns TYP
Settling time to 0.1% G = –2, V
O
= 2 V
PP
step 11
ns TYP
Settling time to 0.01% G = –2, V
O
= 2 V
PP
step 52
Harmonic distortion
R
L
= 50 Ω 51
2nd harmonic distortion
G = 2,
R
L
= 499 Ω 53
R
F
= 649 Ω,
dBc TYP
V
O
= 2 V
PP
,
R
L
= 50 Ω 50
f = 10 MHz
3rd harmonic distortion
R
L
= 499 Ω 65
Input voltage noise f > 20 kHz 2.5 nV/√Hz TYP
Noninverting input current noise f > 20 kHz 1 pA/√Hz TYP
Inverting input current noise f > 20 kHz 10 pA/√Hz TYP
NTSC 0.007%
Differential gain
G = 2,
PAL 0.007%
R
L
= 150 Ω, TYP
NTSC 0.018°
R
F
= 649 Ω
Differential phase
PAL 0.022°
DC PERFORMANCE
Transimpedance V
O
= ±3.75 V, Gain = 1 1.9 1.3 1 1 MΩ MIN
Input offset voltage 3 10 12 13 mV MAX
V
CM
= 0 V
Average offset voltage drift ±10 ±10 μV/°C TYP
Noninverting input bias current 1 4 6 6 μA MAX
V
CM
= 0 V
Average bias current drift ±10 ±10 nA/°C TYP
Inverting input bias current 3 15 20 20 μA MAX
V
CM
= 0 V
Average bias current drift ±10 ±10 nA/°C TYP
Input offset current 4 15 20 20 μA MAX
V
CM
= 0 V
Average offset current drift ±30 ±30 nA/°C TYP
INPUT CHARACTERISTICS
Input common-mode voltage range ±12.7 ±12.5 ±12.2 ±12.2 V MIN
Common-mode rejection ratio V
CM
= ±12.5 V 70 63 60 60 dB MIN
Noninverting input resistance 41 MΩ TYP
Noninverting input capacitance 0.4 pF TYP
OUTPUT CHARACTERISTICS
R
L
= 1 kΩ ±14 ±13.5 ±13 ±13
Output voltage swing V MIN
R
L
= 50 Ω ±13.5 ±12.5 ±12 ±12
Output current (sourcing) R
L
= 25 Ω 475 425 400 400 mA MIN
Output current (sinking) R
L
= 25 Ω 490 425 400 400 mA MIN
Output impedance f = 1 MHz, closed loop 0.04 Ω TYP
(1) For more information, see the Application Information section of this data sheet.
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