参数资料
型号: THS4281DG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
封装: GREEN, PLASTIC, SOIC-8
文件页数: 32/37页
文件大小: 1063K
代理商: THS4281DG4
SLOS432A – APRIL 2004 – REVISED NOVEMBER 2009
www.ti.com
ELECTRICAL CHARACTERISTICS, VS = 3 V (VS+ = 3 V, VS– = GND)
At G = +2, RF = 2.49 k, and RL = 1 k to 1.5 V, unless otherwise noted
TYP
OVER TEMPERATURE
–40°C
PARAMETER
CONDITIONS
0°C to
MIN/
+25°C
to
UNITS
+70°C
MAX
+85°C
AC PERFORMANCE
G = +1, VO = 100 mVPP,
83
MHz
Typ
RF = 34
G = +2, VO = 100 mVPP,
40
MHz
Typ
RF = 1.65 k
Small-Signal Bandwidth
G = +5, VO = 100 mVPP,
8
MHz
Typ
RF = 1.65 k
G = +10, VO = 100 mVPP,
3.8
MHz
Typ
RF = 1.65 k
G = +2, VO = 100 mVPP,
0.1-dB Flat Bandwidth
20
MHz
Typ
RF = 1.65 k
Full-Power Bandwidth
G = +2, VO = 2 VPP
8
MHz
Typ
G = +1, VO = 2-V Step
26
V/
μs
Typ
Slew Rate
G = –1, VO = 2-V Step
27
V/
μs
Typ
Settling time to 0.1%
G = –1, VO = 1-V Step
80
ns
Typ
Settling time to 0.01%
G = –1, VO = 1-V Step
155
ns
Typ
Rise/Fall Times
G = +1, VO = 2-V Step
55
ns
Typ
Harmonic Distortion
G = +2, VO = 2 VPP
Second Harmonic Distortion
–52
dBc
Typ
f = 1 MHz, RL = 1 k
Third Harmonic Distortion
–52
dBc
Typ
Second Harmonic Distortion
–69
dBc
Typ
f = 100 kHz, RL = 1 k
Third Harmonic Distortion
–71
dBc
Typ
VO = 1 VPP, f = 10 kHz
0.003
%
Typ
THD + N
VO = 2 VPP, f = 10 kHz
0.03
%
Typ
Differential Gain (NTSC/PAL)
0.05/0.08
%
Typ
G = +2, RL = 150
Differential Phase (NTSC/PAL)
0.25/0.35
°
Typ
Input Voltage Noise
f = 100 kHz
12.5
nA/
√Hz
Typ
Input Current Noise
f = 100 kHz
1.5
pA/
√Hz
Typ
DC PERFORMANCE
Open-Loop Voltage Gain (AOL)
95
dB
Typ
Input Offset Voltage
0.5
2.5
3.5
mV
Max
Average Offset Voltage Drift
±7
μV/°C
Typ
Input Bias Current
0.5
0.8
1
μA
Max
VCM = 1.5 V
Average Bias Current Drift
±2
nA/°C
Typ
Input Offset Current
0.1
0.4
0.5
μA
Max
Average Offset Current Drift
±2
nA/°C
Typ
INPUT CHARACTERISTICS
Common-Mode Input Range
–0.4/3.4
–0.3/3.3
–0.1/3.1
V
Min
Common-Mode Rejection Ratio
VCM = 0 V to 3 V
92
75
70
dB
Min
Input Resistance
Common-mode
100
M
Typ
Input Capacitance
Common-mode/Differential
0.8/1.2
pF
Typ
4
Copyright 2004–2009, Texas Instruments Incorporated
Product Folder Link(s): THS4281
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