Datasheet
THS3120
THS3121
SLOS420E –SEPTEMBER 2003–REVISED OCTOBER 2009........................................................................................................................................
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ELECTRICAL CHARACTERISTICS
At V
S
= ±5 V, R
F
= 750 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
= 909 Ω, V
O
= 200 mV
PP
105
G = 2, R
F
= 750 Ω, V
O
= 200 mV
PP
100
Small-signal bandwidth, –3 dB
G = 5, R
F
= 499 Ω, V
O
= 200 mV
PP
95
MHz TYP
G = 10, R
F
= 301 Ω, V
O
= 200 mV
PP
70
0.1-dB bandwidth flatness G = 2, R
F
= 750 Ω, V
O
= 200 mV
PP
70
Large-signal bandwidth G = 2, R
F
= 750 Ω , V
O
= 2 V
PP
85
G = 1, V
O
= 2-V step, R
F
= 909 Ω 560
Slew rate (25% to 75% level) V/μs TYP
G = 2, V
O
= 2-V step, R
F
= 750 Ω 620
Recommended maximum SR for
Slew rate 900 V/μs MAX
repetitive signals
(1)
Rise and fall time G = –5, V
O
= 5-V step, R
F
= 499 Ω 10 ns TYP
Settling time to 0.1% G = –2, V
O
= 2 V
PP
step 7
ns TYP
Settling time to 0.01% G = –2, V
O
= 2 V
PP
step 42
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 48
f = 10 MHz
3rd harmonic distortion
R
L
= 499 Ω 60
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 0.008%
Differential gain
G = 2,
PAL 0.008%
R
L
= 150 Ω, TYP
NTSC 0.014°
R
F
= 806 Ω
Differential phase
PAL 0.018°
DC PERFORMANCE
Transimpedance V
O
= ±1.25 V, gain = 1 1.2 0.9 0.7 0.7 MΩ MIN
Input offset voltage 6 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 2 15 20 20 μA MAX
V
CM
= 0 V
Average bias current drift ±10 ±10 nA/°C TYP
Input offset current 2 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 ±2.7 ±2.5 ±2.3 ±2.3 V MIN
Common-mode rejection ratio V
CM
= ±2.5 V 66 62 58 58 dB MIN
Noninverting input resistance 35 MΩ TYP
Noninverting input capacitance 0.5 pF TYP
OUTPUT CHARACTERISTICS
R
L
= 1 kΩ ±4 ±3.8 ±3.7 ±3.7
Output voltage swing V MIN
R
L
= 50 Ω ±3.9 ±3.7 ±3.6 ±3.6
Output current (sourcing) R
L
= 10 Ω 310 250 200 200 mA MIN
Output current (sinking) R
L
= 10 Ω 325 250 200 200 mA MIN
Output impedance f = 1 MHz 0.05 Ω TYP
(1) For more information, see the Application Information section of this data sheet.
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