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ISL28194EVAL1Z

产品描述Amplifier IC Development Tools ISL28194 EVAL BRD 1 RHS CMPL
产品类别开发板/开发套件/开发工具   
文件大小405KB,共5页
制造商Renesas(瑞萨电子)
官网地址https://www.renesas.com/
标准
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ISL28194EVAL1Z概述

Amplifier IC Development Tools ISL28194 EVAL BRD 1 RHS CMPL

ISL28194EVAL1Z规格参数

参数名称属性值
Product AttributeAttribute Value
制造商
Manufacturer
Renesas(瑞萨电子)
产品种类
Product Category
Amplifier IC Development Tools
RoHSDetails
工厂包装数量
Factory Pack Quantity
1

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USER’S MANUAL
ISL28194EVAL1Z, ISL28195EVAL1Z
Evaluation Board
AN1352
Rev 1.00
May 26, 2010
power supply terminals. De-coupling capacitors C
1
and
C
2
connect to ground through R
1
and R
21
0Ω resistors.
Resistors R
20
and R
24
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, C
3
and C
4
are connected close to
the part to filter out high frequency noise. Anti-reverse
diodes D
1
and D
2
protect the circuit in the case of
accidental polarity reversal.
J
3
J
2
V-
J
1
R
1
0
D
1
C
1
+
4.7µF
R
24
0
C
3
0.1µF
VM
VP
VOUT
V+
Introduction
The ISL28194EVAL1Z, ISL28195EVAL1Z evaluation
board is a design platform containing all the circuitry
needed to characterize critical performance parameters
of the ISL28194 and ISL28195 operational amplifiers,
using a variety of user defined test circuits.
The ISL28194 and ISL28195 micro-power operational
amplifiers feature ultra-low power consumption,
rail-to-rail input and output drive capability, and are
designed to operate with two 1.5V Alkaline batteries.
Ordering Information
• ISL28194EVAL1Z
R
20
C
2
+
4.7µF
D
2
R
21
0
• ISL28195EVAL1Z
Reference Documents
• ISL28194, ISL28195 Data Sheet, FN6236
C
4
0.1µF
Evaluation Board Key Features
The ISL28194EVAL1Z, ISL28195EVAL1Z is designed to
enable the IC to operate from a single supply, +1.8VDC
to +5.5VDC or from split supplies, ±0.9VDC to ±2.75V.
The board is configured for a single op amp connected for
differential input with a closed loop gain of 10. It also
contains a single external reference voltage (VREF) pin
and provisions for a user-selectable voltage divider (filter
are included).
FIGURE 1. POWER SUPPLY CIRCUIT
Amplifier Configuration
0
(Figure 2)
The schematic of the op amp with the components
supplied is shown in Figure 2.
Power Supplies
(Figure 1)
External power connections are made through the V+, V-
and Ground connections on the evaluation board. 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
RF
10MΩ
RIN-
IN-
1MΩ
IN+
IN+
VCM
VREF
RIN+
1MΩ
RREF+
10MΩ
IN+
+
VM
IN-
-
V+
V-
ISL28194, ISL28195
VP
IN -
VREF
GND
10kΩ
FIGURE 2. BASIC AMPLIFIER CONFIGURATION
AN1352 Rev 1.00
May 26, 2010
Page 1 of 5
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