ISL55001IBZ-T7A Intersil, ISL55001IBZ-T7A Datasheet - Page 11

• Manufacturer Part Number: ISL55001IBZ-T7A
• Description: IC OPAMP UNITY-GAIN 220MHZ 8SOIC
• Manufacturer: Intersil

Specifications of ISL55001IBZ-T7A

• Amplifier Type: Voltage Feedback
• Number Of Circuits: 1
• Slew Rate: 280 V/µs
• Gain Bandwidth Product: 70MHz
• -3db Bandwidth: 220MHz
• Current - Input Bias: 1.72µA
• Voltage - Input Offset: 60µV
• Current - Supply: 9mA
• Current - Output / Channel: 145mA
• Voltage - Supply, Single/dual (±): 4.5 V ~ 30 V, ±2.25 V ~ 15 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -

Strain Gauge
The strain gauge is an ideal application to take
advantage of the moderate bandwidth and high
accuracy of the ISL55001. The operation of the circuit
is very straightforward. As the strain variable
component resistor in the balanced bridge is subjected
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications
at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by
Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any
infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any
patent or patent rights of Intersil or its subsidiaries.
Intersil products are manufactured, assembled and tested utilizing ISO9000 quality systems as noted
For information regarding Intersil Corporation and its products, see
0V
V
5
+
-
in the quality certifications found at
1kΩ
R
11
15
SUBJECT TO
VARIABLE
For additional products, see
1kΩ
1kΩ
1kΩ
R
16
FIGURE 28. STRAIN GAUGE AMPLIFIER
R
R
ISL55001
17
18
1kΩ
1kΩ
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1kΩ
to increasing strain, its resistance changes, resulting in
an imbalance in the bridge. A voltage variation from
the referenced high accuracy source is generated and
translated to the difference amplifier through the buffer
stage. This voltage difference as a function of the strain
is converted into an output voltage (see Figure 28).
R
F
+
-
+
-
V+
V-
+
-
1nF
C
1nF
V
5V
C
V
5V
12
6
2
4
R
1kΩ
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V
(V1+V2+V3+V4)
OUT
November 3, 2009
FN6200.3