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參數資料
| 型號： | THS3121DGNR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數： | 30/35頁 |
| 文件大小： | 955K |
| 代理商： | THS3121DGNR |
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SLOS420E – SEPTEMBER 2003 – REVISED OCTOBER 2009........................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS
At VS = ±15 V, RF = 649 Ω, RL = 50 Ω, and G = 2, unless otherwise noted.
TYP
OVER TEMPERATURE
0°C to
–40°C to
MIN/TYP/
PARAMETER
TEST CONDITIONS
+25°C
+70°C
+85°C
UNIT
MAX
AC PERFORMANCE
G = 1, RF = 806 , VO = 200 mVPP
130
G = 2, RF = 649 , VO = 200 mVPP
120
Small-signal bandwidth, –3 dB
G = 5, RF = 499 , VO = 200 mVPP
105
MHz
TYP
G = 10, RF = 301 , VO = 200 mVPP
66
0.1-dB bandwidth flatness
G = 2, RF = 649 , VO = 200 mVPP
90
Large-signal bandwidth
G = 5, RF = 499 , VO = 2 VPP
80
G = 1, VO = 4-V step, RF = 806
1500
Slew rate (25% to 75% level)
V/s
TYP
G = 2, VO = 8-V step, RF = 649
1700
Recommended maximum SR for
Slew rate
900
V/s
MAX
repetitive signals(1)
Rise and fall time
G = –5, VO = 10-V step, RF = 499
10
ns
TYP
Settling time to 0.1%
G = –2, VO = 2 VPP step
11
ns
TYP
Settling time to 0.01%
G = –2, VO = 2 VPP step
52
Harmonic distortion
RL = 50
51
2nd harmonic distortion
G = 2,
RL = 499
53
RF = 649 ,
dBc
TYP
VO = 2 VPP,
RL = 50
50
f = 10 MHz
3rd harmonic distortion
RL = 499
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%
RL = 150 ,
TYP
NTSC
0.018°
RF = 649
Differential phase
PAL
0.022°
DC PERFORMANCE
Transimpedance
VO = ±3.75 V, Gain = 1
1.9
1.3
1
M
MIN
Input offset voltage
3
10
12
13
mV
MAX
VCM = 0 V
Average offset voltage drift
±10
μV/°C
TYP
Noninverting input bias current
1
4
6
μA
MAX
VCM = 0 V
Average bias current drift
±10
nA/°C
TYP
Inverting input bias current
3
15
20
μA
MAX
VCM = 0 V
Average bias current drift
±10
nA/°C
TYP
Input offset current
4
15
20
μA
MAX
VCM = 0 V
Average offset current drift
±30
nA/°C
TYP
INPUT CHARACTERISTICS
Input common-mode voltage range
±12.7
±12.5
±12.2
V
MIN
Common-mode rejection ratio
VCM = ±12.5 V
70
63
60
dB
MIN
Noninverting input resistance
41
M
Ω
TYP
Noninverting input capacitance
0.4
pF
TYP
OUTPUT CHARACTERISTICS
RL = 1 kΩ
±14
±13.5
±13
Output voltage swing
V
MIN
RL = 50 Ω
±13.5
±12.5
±12
Output current (sourcing)
RL = 25 Ω
475
425
400
mA
MIN
Output current (sinking)
RL = 25 Ω
490
425
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.
4
Copyright 2003–2009, Texas Instruments Incorporated
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