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| 型號： | AB-020 |
| 英文描述： | AB-020 - BURR-BROWN SPICE BASED MACROMODELS. REV. F |
| 中文描述： | 抗體- 020 - Burr - Brown公司基于的SPICE宏模型。活。 F |
| 文件頁數(shù)： | 41/42頁 |
| 文件大小： | 606K |
| 代理商： | AB-020 |
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41
INA120
INSTRUMENTATION AMPLIFIER
The INA120 contains an internal gain-setting and feedback
resistor string;
R
FB
= 20k
INA120 INTERNAL GAIN-SETTING RESISTORS
R
G
[
]
GAIN
[V/V]
4000
400
44
10
100
1000
The internal resistors are ratio-trimmed to high accuracy and
have excellent tracking with temperature for low gain drift.
If the internal gain-setting resistor string is used, it can be
connected to the amplifier input terminals to give accurate
gains of 1, 10, 100, and 1000. The gain equation is the same
as for external gain-setting resistors, but in higher gains, part
of the lower gain-setting resistor is added to the feedback
resistor so the values shown for R
can not be inserted
directly in the equation—see Figure 10.
The internal feedback resistors can be used with external
feedback resistors. If the internal feedback resistors are used
with external gain-setting resistors:
GAIN = 1 + (40k/R
G
)
Where:
R
G
= optional gain-setting resistor (
) connected between
G
5
and G
14
with G
11
open
External gain-setting and feedback resistors can be used. If
external feedback resistors are used:
GAIN = 1 + (2 R
FB
/R
G
)
Where:
R
G
= Optional external gain-setting resistor (
)
R
FB
= Optional external feedback resistor (
)
OPA111
OPERATIONAL AMPLIFIER
The OPA111 slew rate is asymmetric with the positive-
going slope faster than the negative-going slope (4V/
μ
s vs
2V/
μ
s). Since the PSpice macromodel only allows asymmet-
ric slew rate in the opposite direction, a conservative sym-
metrical slew rate of 2V/
μ
s was used in the macromodel.
OPA121
OPERATIONAL AMPLIFIER
The OPA121 slew rate is asymmetric with the positive-
going slope faster than the negative-going slope (4V/
μ
s vs
2V/
μ
s). Since the PSpice macromodel only allows asymmet-
ric slew rate in the opposite direction, a conservative sym-
metrical slew rate of 2V/
μ
s was used in the macromodel.
OPA660
OPERATIONAL TRANSCONDUCTANCE
AMPLIFIER AND BUFFER
This device includes a voltage-controlled current source and
a voltage buffer. The voltage-controlled current source or
Operational Transconductance Amplifier can be viewed as
an “ideal transistor”. The transconductance of the OTA can
be adjusted with an external resistor, allowing bandwidth,
quiescent current and gain tradeoffs to be optimized. Demo
boards are available.
OPA675
SWITCHED-INPUT OPERATIONAL AMPLIFIER
The OPA675 is a “classical” high-speed amplifier that has
two differential input stages. Each stage is selectable with
ECL logic.
OPA676
SWITCHED-INPUT OPERATIONAL AMPLIFIER
The OPA676 is a “clasical” high-speed amplifier that has
two differential input stages. Each stage is selectable with
TTL logic.
OPA2111
DUAL OPERATIONAL AMPLIFIER
The OPA2111 slew rate is asymmetric with the positive-
going slope faster than the negative-going slope (4V/
μ
s
vs 2V/
μ
s). Since the PSpice macromodel only allows asym-
metric slew rate in the opposite direction, a conservative
symmetrical slew rate of 2V/
μ
s was used in the macromodel.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
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| AB-022 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AB-022 - FAST SETTLING LOW-PASS FILTER |
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