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ISL28230 데이터시트 PDF




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부품번호 ISL28230 기능
기능 (ISL28x30) RRIO Operational Amplifiers
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ISL28230 데이터시트, 핀배열, 회로
Single, Dual, and Quad Micropower, Low Drift,
RRIO Operational Amplifiers
ISL28130, ISL28230, ISL28430
The ISL28130, ISL28230 and ISL28430 are single, dual
and quad micropower, low drift operational amplifiers
that are optimized for single and dual supply operation
from 1.65V to 5.5V and ±0.825V to ±2.75V. Their low
supply current of 20µA and wide input range enable the
ISL28130, ISL28230, ISL28430 to be an excellent
general purpose op amp for a range of applications. The
ISL28130, ISL28230 and ISL28430 are ideal for
handheld devices that operate off 2 AA or single Li-ion
batteries.
The ISL28130 is available in industry standard pinouts
for 5 Ld SOT-23, 5 Ld SC70 and 8 Ld SOIC packages.
The ISL28230 is available in industry standard pinouts
for 8 Ld MSOP and 8Ld SOIC packages. The ISL28430 is
available in 14 Ld TSSOP and 14 Ld SOIC packages. All
devices operate over the temperature range of 0°C to
+70°C.
Features
• Low Input Offset Voltage . . . . . . . . . . . . 40µV, Max.
• Low Offset Drift . . . . . . . . . . . . . . . 150nV/°C, Max
• Input Bias Current . . . . . . . . . . . . . . 250 pA, Max.
• Quiescent Current (Per Amplifier) . . . . . . 20µA, Typ.
• Single Supply Range . . . . . . . . . . .+1.65V to +5.5V
• Dual Supply Range . . . . . . . . . . ±0.825V to ±2.75V
• Low Noise (0.01Hz to 10Hz) . . . . . . . . 1.1µVP-P, Typ.
• Rail-to-Rail Inputs and Output
• Operating Temperature Range . . . . . . 0°C to +70°C
Applications*(see page 11)
• Bi-Directional Current Sense
• Temperature Measurement
• Medical Equipment
• Electronic Weigh Scales
• Precision/Strain Gauge Sensor
• Precision Regulation
• Low Ohmic Current Sense
• High Gain Analog Front Ends
Typical Application
IB vs Temperature
I-SENSE+
0.1
V+
+1.65V TO +5.5V
4.99k
4.99k
499k
+ V+
- V-
499k
VREF
VSENSE
OUT
I-SENSE-
GND
BI-DIRECTIONAL CURRENT SENSE AMPLIFIER
70
60
50
40
30
20
10
0
0
VS = ±2.5V
VS = ±0.825V
10 20 30 40 50 60 70
TEMPERATURE (°C)
August 17, 2010
FN7623.0
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2010. All Rights Reserved
All other trademarks mentioned are the FprreopeeDrtaytaosfhteheetirhrtetspp:e//cwtivwewo.wdnaetarss.heet4u.com/




ISL28230 pdf, 반도체, 판매, 대치품
ISL28130, ISL28230, ISL28430
Pin Descriptions
ISL28230
ISL28430
(8 Ld MSOP, SOIC) (14 Ld TSSOP, SOIC)
33
55
10
12
PIN
NAME
IN+_A
IN+_B
IN+_C
IN+_D
FUNCTION
Non-inverting input
EQUIVALENT CIRCUIT
V+
IN- -
+
IN+
V-
4 11 V- Negative supply
Circuit 1
2
2
IN-_A
Inverting input
(See Circuit 1)
6 6 IN-_B
9 IN-_C
13 IN-_D
1
1
OUT_A
Output
V+
7 7 OUT_B
8 OUT_C
OUT
14 OUT_D
Circuit 2
V-
8 4 V+ Positive supply
4 FN7623.0
August 17, 2010
Free Datasheet http://www.datasheet4u.com/

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ISL28230 전자부품, 판매, 대치품
ISL28130, ISL28230, ISL28430
Typical Performance Curves
22
V+ = 5V, V- = 0V, VCM = 2.5V, RL = Open, T = +25°C, unless
otherwise specified. (Continued)
22
21 21
20 20
19 19
18
V+ = 1.6V
17 VIN = 0V
RL = OPEN
16
0
10 20 30 40 50 60 70
TEMPERATURE (°C)
FIGURE 3. SUPPLY CURRENT vs TEMPERATURE
18
17
16
0
V+ = 5V
VIN = 0V
RL = OPEN
10 20 30 40 50 60 70
TEMPERATURE (°C)
FIGURE 4. SUPPLY CURRENT vs TEMPERATURE
21
20
19
18
17 VIN = 0V
RL = OPEN
16
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
FIGURE 5. SUPPLY CURRENT vs SUPPLY VOLTAGE
200
150
100
PHASE
50
GAIN
0
RL = 10M
-50 CL = 100pF
SIMULATION
-100
0.1m 1m 10m 100m 1 10 100 1k
FREQUENCY (Hz)
10k 100k 1M 10M
FIGURE 6. FREQUENCY RESPONSE vs OPEN LOOP
GAIN, RL = 10MΩ
1
0
-1
-2 RL = 1k
-3 RL = 10k
RL = 100k
RL = OPEN
-4 RL = 49.9k
-5
-6 VS = ±0.8V
-7 CL = 3.7pF
AV = +1
-8 VOUT = 10mVP-P
-9
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 7. GAIN vs FREQUENCY vs RL, VS = ±0.8V
1
RL = 100k
0
-1 RL = 1k
-2
RL = 10k
RL = OPEN
-3
-4 RL = 49.9k
-5
-6 VS = ±2.5V
CL = 3.7pF
-7 AV = +1
-8 VOUT = 10mVP-P
-9
100
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 8. GAIN vs FREQUENCY vs RL, VS = ±2.5V
7 FN7623.0
August 17, 2010
Free Datasheet http://www.datasheet4u.com/

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