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ISL28248SOICEVAL1Z
ISL28248SOICEVAL1Z | |
|---|---|
| Manufacturer Part Number | ISL28248SOICEVAL1Z |
| Description | EVALUATION BOARD ISL28248 8SOIC |
| Manufacturer | Intersil |
| ISL28248SOICEVAL1Z datasheets |
|
Availability: By request
International delivery:
Warranty: 60 days
×
- We provide standard 60-days warranty for all parts. If warranty differs we always mention it beforehand. In case of return we cover shipping costs.
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Specifications of ISL28248SOICEVAL1Z | |||
|---|---|---|---|
| Channels Per Ic | 2 - Dual | Amplifier Type | General Purpose |
| Output Type | Rail-to-Rail | Slew Rate | 4 V/µs |
| -3db Bandwidth | 13MHz | Current - Output / Channel | 68mA |
| Operating Temperature | -40°C ~ 125°C | Current - Supply (main Ic) | 900µA |
| Voltage - Supply, Single/dual (±) | 2.4 V ~ 5.5 V, ±1.2 V ~ 2.75 V | Board Type | Fully Populated |
| Utilized Ic / Part | ISL28248 | Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
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Application Note
Introduction
The ISL282X8MSOPEVAL1Z and ISL282X8SOICEVAL1Z
evaluation board are design platforms containing all the
circuitry needed to characterize critical performance
parameters of the ISL282X8 operational amplifiers in both
MSOP-8 and SOIC-8 packages, using a variety of user
defined test circuits.
The ISL28238 and ISL28248 high-speed operational
amplifiers feature low power consumption, while ISL28258
and ISL28268 operational amplifiers feature ultra-low power
consumption. All op amps have rail-to-rail output drive
capability and are designed to operate with a single lithium
cell or two Ni_Cd batteries.
Reference Documents
• ISL28238 Data Sheet, FN6336
• ISL28248 Data Sheet, FN6337
• ISL28258 Data Sheet, FN6377
• ISL28268 Data Sheet, FN6378
Evaluation Board Key Features
The ISL282xEVAL1Z is designed to enable the IC to operate
from a single supply, +2.4VDC to +5.5VDC or from split
supplies, ±1.2VDC to ±2.75V. The board is configured for a
dual op amp connected for differential input with a closed
loop gain of 10. A single external reference voltage (VREF)
pin and provisions for a user-selectable voltage divider-filter
are included.
Power Supplies
External power connections are made through the +V, -V,
VREF and Ground connections on the evaluation board.
IN -
IN-
IN+
IN +
VCM
VREF
GND
VREF
1
ISL282X8MSOPEVAL1Z ISL282X8SOICEVAL1Z
Evaluation Board User’s Guide
August 28, 2008
J6
User-selectable SMA edge connectors are also provided for
+V and -V. For single supply operation, the -V and Ground
pins are tied together to the power supply negative terminal.
For split supplies +V and -V terminals connect to their
respective power supply terminals. De-coupling capacitors
C2 and C4 connect to their respective supplies through R16
and R31 0Ω resistors. These resistors are 0Ω but can be
changed by the user to provide additional power supply
filtering, or to reduce the voltage rate-of-rise to less than
±1V/µS. Two additional capacitors, C3 and C5 are
connected close to the part to filter out high frequency noise.
Anti-reverse diode D1 protects the circuit in the case of
accidental polarity reversal (see Figure 1).
Amplifier Configuration
The schematic of 1/2 of the op amp with the components
supplied is shown in Figure 2. The circuit implements a
differential input amp with a closed loop gain of 10. The
circuit can operate from a single supply or from dual
supplies. The VREF pin must be connected to ground to
RF
100kΩ
VP
RIN-
IN-
-
V+
10kΩ
V-
RIN+
IN+
+
10kΩ
VM
REF+
100kΩ
FIGURE 2. BASIC AMPLIFIER CONFIGURATION
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
All other trademarks mentioned are the property of their respective owners.
AN1419.0
J11
V-
V+
VREF
J8
J12
J13
C2
C4
4.7µF
4.7µF
C3
C5
0.01µF
0.01µF
D1
FIGURE 1. POWER SUPPYLY CIRCUIT
ISL282X8 (1/2)
0Ω
VOUT
RL
10kΩ
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2008. All Rights Reserved
J14
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ISL28248SOICEVAL1Z Summary of contents |
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