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THS3121 Datasheet(PDF) 6 Page - Texas Instruments

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Part # THS3121
Description  LOW-NOISE, HIGH-OUTPUT DRIVE, CURRENT-FEEDBACK, OPERATIONAL AMPLIFIERS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

THS3121 Datasheet(HTML) 6 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
THS3120, THS3121
SLOS420A – SEPTEMBER 2003 – REVISED NOVEMBER 2003
V
S = ±5 V, RF = 750 Ω, RL = 50 Ω, and G = 2 (unless otherwise noted)
TYP
OVER TEMPERATURE
PARAMETER
TEST CONDITIONS
0
°C to
-40
°C to
MIN/TYP/
25
°C
25
°C
UNIT
70
°C
85
°C
MAX
AC PERFORMANCE
G = 1, RF = 909 Ω, VO = 200 mVPP
105
G = 2, RF = 750 Ω, VO = 200 mVPP
100
Small-signal bandwidth, -3 dB
G = 5, RF = 499 Ω, VO = 200 mVPP
95
MHz
TYP
G = 10, RF = 301 Ω, VO = 200 mVPP
70
0.1 dB bandwidth flatness
G = 2, RF = 750 Ω, VO = 200 mVPP
70
Large-signal bandwidth
G = 2, RF = 750 Ω , VO = 2 VPP
85
G = 1, VO= 2-V step, RF = 909 Ω
560
Slew rate (25% to 75% level)
V/µs
TYP
G = 2, VO= 2-V step, RF = 750 Ω
620
Recommended maximum SR for
Slew rate
900
V/µs
MAX
repetitive signals(1)
Rise and fall time
G = -5, VO = 5-V step, RF = 499Ω
10
ns
TYP
Settling time to 0.1%
G = -2, VO = 2 VPP step
7
ns
TYP
Settling time to 0.01%
G = -2, VO = 2 VPP step
42
Harmonic distortion
RL = 50Ω
51
2nd Harmonic distortion
G = 2,
RL = 499 Ω
53
RF = 649 Ω,
dBc
TYP
VO = 2 VPP,
RL = 50Ω
48
f = 10 MHz
3rd Harmonic distortion
RL = 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%
RL = 150 Ω,
TYP
NTSC
0.014
°
RF = 806 Ω
Differential phase
PAL
0.018
°
DC PERFORMANCE
Transimpedance
VO = ±1.25 V, Gain = 1
1.2
0.9
0.7
0.7
M
MIN
Input offset voltage
3
6
8
8
mV
MAX
VCM = 0 V
Average offset voltage drift
±10
±10
µV/
°C
TYP
Noninverting input bias current
1
4
6
6
µA
MAX
VCM = 0 V
Average bias current drift
±10
±10
nA/
°C
TYP
Inverting input bias current
2
15
20
20
µA
MAX
VCM = 0 V
Average bias current drift
±10
±10
nA/
°C
TYP
Input offset current
2
15
20
20
µA
MAX
VCM = 0 V
Average offset current drift
±30
±30
nA/
°C
TYP
INPUT CHARACTERISTICS
Input common-mode voltage range
±3.2
±2.9
±2.8
±2.8
V
MIN
Common-mode rejection ratio
VCM = ±2.5 V
66
62
58
58
dB
MIN
Noninverting input resistance
35
M
TYP
Noninverting input capacitance
0.5
pF
TYP
OUTPUT CHARACTERISTICS
RL = 1 kΩ
±4
±3.8
±3.7
±3.7
Output voltage swing
V
MIN
RL = 50 Ω
±3.9
±3.7
±3.6
±3.6
Output current (sourcing)
RL = 10 Ω
310
250
200
200
mA
MIN
Output current (sinking)
RL = 10 Ω
325
250
200
200
mA
MIN
Output impedance
f = 1 MHz
0.05
TYP
(1)
For more information, see the Application Information section of this data sheet.
6


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