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PDF ISL28176 Data sheet ( Hoja de datos )
| Número de pieza | ISL28176 | |
| Descripción | (ISL28x76) Micropower Single Supply Rail-to-Rail Input And Output (RRIO) Precision Op Amp | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Data Sheet
ISL28176, ISL28276, ISL28476
June 23, 2009
FN6301.4
Single, Dual and Quad Micropower Single
Supply Rail-to-Rail Input and Output
(RRIO) Precision Op Amp
The ISL28176, ISL28276 and ISL28476 are single, dual and
quad channel micropower operational amplifiers optimized
for single supply operation over the 2.4V to 5V range. They
can be operated from one lithium cell or two Ni-Cd batteries.
These devices feature an Input Range Enhancement Circuit
(IREC) which enables them to maintain CMRR performance for
input voltages 10% above the positive supply rail and down to
the negative supply. The output operation is rail-to-rail.
The ISL28276 and ISL28476 draw minimal supply current
while meeting excellent DC-accuracy, AC-performance,
noise and output drive specifications. The ISL28276 (QSOP
package only) contains a power-down enable pin that
reduces the power supply current to typically 4µA in the
disabled state.
Ordering Information
PART NUMBER
(Note)
PART
MARKING
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL28176FBZ* 28176 FBZ
8 Ld SOIC MDP0027
ISL28276FBZ* 28276 FBZ
8 Ld SOIC MDP0027
ISL28276IAZ*
28276 IAZ
16 Ld QSOP MDP0040
ISL28476FAZ* 28476 FAZ
16 Ld QSOP MDP0040
*Add “-T7” suffix for tape and reel. Please refer to TB347 for details
on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ
special Pb-free material sets, molding compounds/die attach
materials, and 100% matte tin plate plus anneal (e3 termination
finish, which is 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 typical supply current (ISL28276)
• 100µV maximum offset voltage
• 500pA typical input bias current
• 400kHz typical gain-bandwidth product
• 115dB typical PSRR and CMRR
• Single supply operation down to 2.4V
• Input is capable of swinging above V+ and to V- (ground
sensing)
• Rail-to-rail input and output (RRIO)
• Pb-free (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, 2007, 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL28176, ISL28276, ISL28476
www.EDlaetacStrhieceat4lUS.cpoemcifications
V+ = 5V, V- = 0V,VCM = 2.5V, RL = Open, TA = +25°C unless otherwise specified.
Boldface limits apply over the operating temperature range, -40°C to +125°C, temperature data
established by characterization. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN MAX
(Note 2) TYP (Note 2) UNIT
IENL
EN Pin Input Low Current
VEN = V-
ISL28276IAZ, (QSOP package only)
0 0.1 µA
AC SPECIFICATONS
GBW
en
Gain Bandwidth Product
Input Noise Voltage Peak-to-Peak
AV = 100, RF = 100kΩ, RG = 1kΩ,
RL = 10kΩ to VCM
ISL28176
f = 0.1Hz to 10Hz
400 kHz
1.5 µVP-P
ISL28276, ISL28476
f = 0.1Hz to 10Hz
2.5 µVP-P
Input Noise Voltage Density
in Input Noise Current Density
CMRR @ 60Hz Input Common Mode Rejection Ratio
PSRR+ @ 120Hz Power Supply Rejection Ratio, +V
PSRR- @ 120Hz Power Supply Rejection Ratio, -V
TRANSIENT RESPONSE
ISL28176
fO = 1kHz
ISL28276, ISL28476
fO = 1kHz
ISL28176
fO = 1kHz
ISL28276, ISL28476
fO = 1kHz
ISL28276, ISL28476
VCM = 1VP-P, RL = 10kΩ to VCM
ISL28176
V+, V- = ±1.2V and ±2.5V,
VSOURCE = 1VP-P, RL = 10kΩ to VCM
ISL28276, ISL28476
V+, V- = ±1.2V and ±2.5V,
VSOURCE = 1VP-P, RL = 10kΩ to VCM
ISL28176
V+, V- = ±1.2V and ±2.5V
VSOURCE = 1VP-P, RL = 10kΩ to VCM
ISL28276, ISL28476
V+, V- = ±1.2V and ±2.5V
VSOURCE = 1VP-P, RL = 10kΩ to VCM
28 nV/√Hz
30 nV/√Hz
0.16 pA/√Hz
0.12 pA/√Hz
78 dB
90 dB
105 dB
70 dB
73 dB
SR Slew Rate
ISL28176
±0.065 ±0.13 ±0.3 V/µs
ISL28276, ISL28476
±0.10 ±0.17 ±0.20
±0.09
±0.25
V/µs
tEN Enable to Output Turn-on Delay Time, VEN = 5V to 0V, AV = -1,
10% EN to 10% VOUT,
Rg = Rf = RL = 1k to VCM, ISL28276IAZ,
(QSOP package only)
2 µs
Enable to Output Turn-off Delay Time,
10% EN to 10% VOUT
VEN = 0V to 5V, AV = -1,
Rg = Rf = RL = 1k to VCM, ISL28276IAZ,
(QSOP package only)
0.1 µs
NOTE:
2. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
5 FN6301.4
June 23, 2009
5 Page 
ISL28176, ISL28276, ISL28476
www.TDaytapSihceaetl4UP.ceormformance Curves (Continued)
200
N = 1000
150
100 MAX
50
0 MEDIAN
-50
-100
MIN
-150
-200
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 31. ISL28476 VOS vs TEMPERATURE, VIN = 0V,
V+,V- = ±2.5V
200
N = 1000
150
100 MAX
50
0 MEDIAN
-50
-100
MIN
-150
-200
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 32. ISL28476 VOS vs TEMPERATURE, VIN = 0V,
V+,V- = ±1.2V
2.5
n = 12
2.0
1.5
MAX
1.0
0.5 MEDIAN
0
-0.5
-40
MIN
-20 0 20 40 60 80
TEMPERATURE (°C)
100 120
FIGURE 33. ISL28176 IBIAS (+) vs TEMPERATURE VS = ±2.5V
3.0
n = 12
2.5
2.0
1.5 MAX
1.0
0.5 MEDIAN
0 MIN
-0.5
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 34. ISL28176 IBIAS (+) vs TEMPERATURE VS = ±1.2V
2.5
N = 1000
2.0
1.5
MAX
1.0
MEDIAN
0.5
0
-0.5 MIN
-1.0
-1.5
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 35. ISL28276 ISL28476 IBIAS (+) vs TEMPERATURE,
V+,V- = ±2.5V
11
3.0
N = 1000
2.5
2.0 MAX
1.5
1.0 MEDIAN
0.5
0
MIN
-0.5
-1.0
-1.5
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 36. ISL28276, ISL28476 IBIAS (+) vs TEMPERATURE,
V+,V- = ±1.2V
FN6301.4
June 23, 2009
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet ISL28176.PDF ] | |
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