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參數(shù)資料
| 型號： | TS634IPT |
| 英文描述： | Voltage-Feedback Operational Amplifier |
| 中文描述： | 電壓反饋運算放大器 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 126K |
| 代理商： | TS634IPT |
TS634
4/9
POWER DOWN MODE
V
CC
= ±6Volts, T
amb
= 25°C
Symbol
Thershold Voltage for Power Down Mode
Low Level
High Level
Icc
pdw
Total Power Down Mode Current Consumption
R
pdw
Power Down Mode Ouput Impedance
C
pdw
Power Down Mode Output Capacitance
POWER DOWN EQUIVALENT SCHEMATIC
OUPUT IMPEDANCE IN POWER DOWN MODE
In Power Down Mode the output of the driver is in
"high impedance" state. It is really the case for the
static mode. Regarding the dynamic mode, the im-
pedance decreases due to a capacitive effect of
the collector-substrat and base collector junction.
The impedance behaviour comes capacitive, typi-
cally: 1.4M
// 33pF.
INTERMODULATION DISTORTION
The curves shown below are the measurements
results of a single operator wired as an adder with
a gain of 15dB. The operational amplifier is sup-
plied by a symmetric
±
6V and is loaded with 25
.
Two synthesizers (Rhode & Schwartz SME) gen-
erate two frequencies (tones) (70 & 80kHz or 180
& 280kHz). An HP3585 spectrum analyzer mea-
sures the spurious level at different frequencies.
The curves are traced for different output levels
(the value in the X axis is the value of each tone).
The output levels of the two tones are the same.
The generators and spectrum analyzer are phase
locked to enhance measurement precision.
3rd ORDER INTERMODULATION
2 tones : 70kHz and 80kHz
2 tones : 180kHz and 280kHz
Parameter
Min.
Typ.
Max
Unit
V
pdw
V
0
0.8
2
3.3
150
μA
Μ
pF
1.4
33
STANDBY CONTROL
OPERATOR STATUS
operator 1
operator 2
operator 1
operator 2
V
high level
V
low level
Standby
Active
V
high level
V
high level
Standby
Standby
V
low level
V
low level
Active
Active
V
low level
V
high level
Active
Standby
+
_
.
..
.
V
cc
-
V
cc
+
POWER
DOWN
Ouput
1
1,5
2
2,5
3
3,5
4
4,5
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
I
Vout peak (V)
230kHz
220kHz
90kHz
60kHz
1
1,5
2
2,5
Vout peak (V)
3
3,5
4
4,5
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
I
80kHz
640kHz
380kHz
740kHz
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