HA-5134 データシートの表示（PDF） - Intersil
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HA-5134 Datasheet PDF : 9 Pages
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HA-5134
Application Information
Power Supply Decoupling
Although not absolutely necessary, it is recommended that
all power supply lines be decoupled with 0.01µF ceramic
capacitors to ground. Decoupling capacitors should be
located as near to the amplifier terminals as possible.
Considerations For Prototyping
The following list of recommendations are suggested for
prototyping.
1. Resolving low level signals requires minimizing leakage
currents caused by external circuitry. Use of quality insulating
materials, thorough cleaning of insulating surfaces and
implementation of moisture barriers when required is
suggested.
2. Error voltages generated by thermocouples formed between
dissimilar metals in the presence of temperature gradients
should be minimized. Isolation of low level circuitry from heat
generating components is recommended.
3. Shielded cable input leads, guard rings and shield drivers are
recommended for the most critical applications.
Typical Applications
+
-
10kΩ
VO
1nF
TA = 25oC, VS = ±15V, AV = 1, RL = 10kΩ
20mV/Div., 1µs/Div.
FIGURE 3. SMALL SIGNAL TRANSIENT RESPONSE
(CLOAD = 1nF)
VOUT = ±10V, RLOAD = 50Ω CLOAD = 0.01µF, AV = 3, VS = ±15V
Top: Input, 2V/Div., 20µs/Div. Bottom: Output, 5V/Div, 20µs/Div.
TRANSIENT RESPONSE OF APPLICATION CIRCUIT #1
1/4 HA-5134
+
R2
R
R1
RG 1/4 HA-5134 +
R
R1
R2
+
1/4 HA-5134
HA-
5002
+15V
(NOTE 12)
(NOTE 12) 50Ω
-15V
0.01µF
NOTES:
11.
–AV
=
1
+
-R2----RG--
R-R----21-
.
12. 10Ω - 100Ω recommended for short circuit limiting.
13. When driving heavy loads the HA-5002 may
contribute to thermal errors. Proper thermal shielding
is recommended.
FIGURE 4. APPLICATION CIRCUIT #1: INSTRUMENTATION AMPLIFIER WITH POWER OUTPUT
5
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