参数资料
型号: THS4271DGKRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 1 CHANNEL, VIDEO PREAMPLIFIER, PDSO8
封装: GREEN, PLASTIC, MSOP-8
文件页数: 44/48页
文件大小: 1227K
代理商: THS4271DGKRG4
www.ti.com
SLOS397F – JULY 2002 – REVISED OCTOBER 2009
ELECTRICAL CHARACTERISTICS: VS = ±5 V (continued)
At RF = 249 , RL = 499 , G = +2, unless otherwise noted.
TYP
OVER TEMPERATURE (1)
MIN/
PARAMETER
TEST CONDITIONS
TYP/
0°C to
–40°C to
+25°C
UNITS
MAX
+70°C
+85°C
OUTPUT CHARACTERISTICS
Output voltage swing
G = +2
±4
±3.8
±3.7
V
Min
Output current (sourcing)
RL = 10
160
120
110
mA
Min
Output current (sinking)
RL = 10
80
60
50
mA
Min
Output impedance
f = 1 MHz
0.1
Typ
POWER SUPPLY
Specified operating voltage
±5
V
Max
Maximum quiescent current
22
24
27
28
mA
Max
Minimum quiescent current
22
20
18
15
mA
Min
Power-supply rejection (+PSRR)
VS+ = 5.5 V to 4.5 V, VS– = 5 V
85
75
70
dB
Min
Power-supply rejection (-PSRR)
VS+ = 5 V, VS– = -5.5 V to -4.5 V
75
65
60
dB
Min
POWER-DOWN CHARACTERISTICS (THS4275 Only)
Enable
REF+1.8
V
Min
REF = 0 V or VS–
Power down
REF+1
V
Max
Power-down voltage level(2)
Enable
REF–1
V
Min
REF = VS+ or Floating
Power down
REF–1.7
V
Max
PD = Ref +1.0 V,
Ref = 0 V
875
1000
1100
1200
μA
Max
Power-down quiescent current
PD = Ref –1.7 V,
Ref = VS+
650
800
900
1000
μA
Max
Turn-on time delay [t(ON)]
50% of final supply current value
4
μs
Typ
Turn-off time delay [t(OFF)]
50% of final supply current value
3
μs
Typ
Input impedance
f = 1 MHz
4
G
Typ
Output impedance
200
k
Typ
(2)
For detailed information on the power-down circuit, see the Power-Down section in the Application Information of this data sheet.
Copyright 2002–2009, Texas Instruments Incorporated
5
Product Folder Link(s): THS4271 THS4275
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