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ISL28478 の電気的特性と機能

ISL28478のメーカーはIntersil Corporationです、この部品の機能は「(ISL28278 / ISL28478) Dual Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Precision Op-Amp」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL28478
部品説明 (ISL28278 / ISL28478) Dual Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Precision Op-Amp
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 




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ISL28478 Datasheet, ISL28478 PDF,ピン配置, 機能
®
Data Sheet
ISL28278, ISL28478
September 28, 2006
FN6145.1
Dual Micropower Single Supply
Rail-to-Rail Input and Output (RRIO)
Precision Op-Amp
The ISL28278 and ISL28478 are Dual and Quad channel
micropower precision operational amplifier optimized for
single supply operation at 5V and can operate down to 2.4V.
For equivalent performance in a single channel op-amp
reference EL8178.
The ISL28278 and ISL28478 feature an Input Range
Enhancement Circuit (IREC) which enables both parts to
maintain CMRR performance for input voltages equal to the
positive and negative supply rails. The input signal is
capable of swinging 10% above the positive supply rail and
to 100mV below the negative supply with only a slight
degradation of the CMRR performance. The output
operation is rail to rail.
The both parts draw minimal supply current while meeting
excellent DC-accuracy, AC-performance, noise and output
drive specifications.
The ISL28278 and ISL28478 can be operated from one
lithium cell or two Ni-Cd batteries. The input range includes
bothwww.DataSheet4U.com positive and negative rail.
Ordering Information
PART TAPE &
PKG.
PART NUMBER MARKING REEL PACKAGE DWG. #
ISL28278FAZ
(See Note)
28278FAZ 97/Tube 16 Ld QSOP MDP0040
(Pb-free)
ISL28278FAZ-T7 28278FAZ
7” 16 Ld QSOP MDP0040
(See Note)
(1000 pcs) (Pb-free)
Coming Soon
ISL28478FAZ
(Note)
28478FAZ 97/Tube 16 Ld QSOP MDP0040
(Pb-free)
Coming Soon 28478FAZ
7” 16 Ld QSOP MDP0040
ISL28478FAZ-T7
(1000 pcs) (Pb-free)
(Note)
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
Features
• Low Power 120µA typ supply current for both channels
• 225µV max offset voltage
• 30pA typ input bias current
• 300kHz gain-bandwidth product
• 100dB typ PSRR and CMRR
• Single supply operation down to 2.4V
• Input is capable of swinging above V+ and below V-
(ground sensing)
• Rail-to-rail input and output (RRIO)
• Pb-free plus anneal available (RoHS compliant)
Applications
• Battery- or solar-powered systems
• 4mA to 25mA current loops
• Handheld consumer products
• Medical devices
• Thermocouple amplifiers
• Photodiode pre-amps
• pH probe amplifiers
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. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

1 Page





ISL28478 pdf, ピン配列
ISL28278, ISL28478
Absolute Maximum Ratings (TA = +25°C)
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
Supply Turn On Voltage Slew Rate . . . . . . . . . . . . . . . . . . . . . 1V/μs
Differential Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5V
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . V- - 0.5V to V+ + 0.5V
ESD tolerance, Human Body Model . . . . . . . . . . . . . . . . . . . . . .3kV
ESD tolerance, Machine Model . . . . . . . . . . . . . . . . . . . . . . . . .300V
Output Short-Circuit Duration . . . . . . . . . . . . . . . . . . . . . . .Indefinite
Ambient Operating Temperature Range . . . . . . . . .-40°C to +125°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT
: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests are at the specified
temperature and are pulsed tests, therefore: TJ = TC = TA
Electrical Specifications V+ = 5V, V- = 0V,VCM = 2.5V, RL = 10kΩ, TA = +25°C unless otherwise specified.
Boldface limits apply over the operating temperature range, -40°C to +125°C
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP
VOS
--Δ----V----O-----S---
ΔTime
Δ-----V----O----S--
ΔT
Input Offset Voltage
Long Term Input Offset Voltage Stability
Input Offset Drift vs Temperature
-225
-450
±20
1.2
2.2
IOS Input Offset Current
-600
±5
IB Input Bias Current
-40°C to +85°C
-30 ±10
-80
eN
iN
CMIR
Input Noise Voltage Peak-to-Peak
Input Noise Voltage Density
Input Noise Current Density
Input Voltage Range
f = 0.1Hz to 10Hz
fO = 1kHz
fO = 1kHz
Guaranteed by CMRR test
5.4
50
0.14
0
CMRR
Common-Mode Rejection Ratio
VCM = 0V to 5V
80 100
75
PSRR
Power Supply Rejection Ratio
V+ = 2.4V to 5V
85 105
80
AVOL
Large Signal Voltage Gain
VO = 0.5V to 4.5V, RL = 100kΩ
200 300
190
VOUT
Maximum Output Voltage Swing
VO = 0.5V to 4.5V, RL = 1kΩ
Output low, RL = 100kΩ
25
3
Output low, RL = 1kΩ
130
SR
GBW
Slew Rate
Gain Bandwidth Product
Output high, RL = 100kΩ
Output high, RL = 1kΩ
4.990
4.97
4.800
4.750
0.12
0.09
4.996
4.880
±0.14
300
MAX
225
450
UNIT
µV
µV/Mo
µV/°C
30 pA
600
30 pA
80
µVPP
nV/Hz
pA/Hz
5V
dB
dB
V/mV
V/mV
6 mV
30
175 mV
225
V
V
0.16 V/µs
0.21
kHz
3 FN6145.1
September 28, 2006


3Pages


ISL28478 電子部品, 半導体
ISL28278, ISL28478
Typical Performance Curves (Continued)
10.00
1k
1.00
100
0.10
10
0.01
1
10 100 1k 10k 100k
FREQUENCY (Hz)
FIGURE 11. CURRENT NOISE vs FREQUENCY
1
1 10 100 1k 10k 100k
FREQUENCY (Hz)
FIGURE 12. VOLTAGE NOISE vs FREQUENCY
5.4µVP-P
TIME (1s/DIV)
FIGURE 13. 0.1Hz TO 10Hz INPUT VOLTAGE NOISE
6
V+ = 5V
VIN
5
4
100K
VS+
3 100K
-
DUT
+ 1K
VS -
2 Function
Generator
33140A
VOUT
1
0
0 50 100 150 200
TIME (ms)
FIGURE 14. INPUT VOLTAGE SWING ABOVE THE V+ SUPPLY
155
135
115
95
75
55
35
2 2.5 3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE (V)
FIGURE 15. SUPPLY CURRENT vs SUPPLY VOLTAGE
6
EN
INPUT
AV = -1
VIN = 200mVp-p
V+ = 5V
V- = 0V
0
VOUT
0
10µs/DIV
FIGURE 16. ENABLE TO OUTPUT DELAY TIME
FN6145.1
September 28, 2006

6 Page



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共有リンク

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