ISL28270IAZ Intersil, ISL28270IAZ Datasheet

IC INSTR AMP RRIO DUAL 16-QSOP

ISL28270IAZ

Manufacturer Part Number
ISL28270IAZ
Description
IC INSTR AMP RRIO DUAL 16-QSOP
Manufacturer
Intersil
Datasheets

Specifications of ISL28270IAZ

Amplifier Type
Instrumentation
Number Of Circuits
2
Output Type
Rail-to-Rail
Slew Rate
0.5 V/µs
-3db Bandwidth
240kHz
Current - Input Bias
500pA
Voltage - Input Offset
35µV
Current - Supply
120µA
Current - Output / Channel
29mA
Voltage - Supply, Single/dual (±)
2.4 V ~ 5.5 V, ±1.2 V ~ 2.75 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-QSOP
No. Of Amplifiers
2
Input Offset Voltage
150µV
Bandwidth
240kHz
Amplifier Output
Rail To Rail
Cmrr
110dB
Supply Voltage Range
2.4V To 5.5V
Supply Current
78µA
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Gain Bandwidth Product
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ISL28270IAZ
Manufacturer:
INTERSIL
Quantity:
20 000
Micropower, Single Supply, Rail-to-Rail
Input and Output (RRIO) Instrumentation
Amplifier
The ISL28270 and ISL28273 are dual channel micropower
instrumentation amplifiers (in-amps) and the ISL28470 is a
Quad-channel in-amp optimized for low 2.4V to 5V single
supplies.
All three devices feature an Input Range Enhancement
Circuit (IREC) which maintains CMRR performance for input
voltages equal to the positive supply and down to 50mV
above the negative supply rail. The input signal is capable of
swinging above the positive supply rail and to 10mV above
the negative supply with only a slight degradation of the
CMRR performance. The output operation is rail to rail.
The ISL28273 is compensated for a minimum gain of 10 or
more. For higher gain applications, the ISL28270 and
ISL28470 are compensated for a minimum gain of 100. The
in-amps have bipolar input devices for best offset and
excellent 1/f noise performance. The amplifiers can be
operated from one lithium cell or two Ni-Cd batteries.
Ordering Information
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.
ISL28270IAZ
(Note)
ISL28270IAZ-T13
(Note)
Coming Soon
ISL28273FAZ
(Note)
Coming Soon
ISL28273FAZ-T7
(Note)
ISL28470FAZ
(Note)
ISL28470FAZ-T7
(Note)
ISL28270INEVAL1Z
(Note)
ISL28273INEVAL1Z Evaluation Platform
Coming Soon
ISL28470EVAL1Z
PART NUMBER
(Note)
28270 IAZ
28270 IAZ
28273 FAZ
28273 FAZ
ISL28470FAZ 48/Tube 28 Ld QSOP
ISL28470FAZ
Evaluation Platform
Evaluation Platform
MARKING
PART
®
1
97/Tube 16 Ld QSOP
97/Tube 16 Ld QSOP
TAPE &
(1k pcs)
(1k pcs)
(1k pcs)
REEL
13”
Data Sheet
7”
7”
(Pb-free)
16 Ld QSOP
(Pb-free)
(Pb-free)
16 Ld QSOP
(Pb-free)
(Pb-free)
28 Ld QSOP
(Pb-free)
PACKAGE
(Pb-Free)
1-888-INTERSIL or 1-888-468-3774
MDP0040
MDP0040
MDP0040
MDP0040
M28.15
M28.15
DWG. #
PKG.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• 60µA supply current per channel ISL28270
• 150µV max offset voltage
• 2nA max input bias current ISL28270
• 110dB CMRR, PSRR
• 0.7µV/°C offset voltage temperature coefficient
• 240kHz -3dB bandwidth (G = 100) ISL28270, ISL28470
• 230kHz -3dB bandwidth (G = 10) ISL28273
• 0.5V/µs slew rate
• Single supply operation
• Rail-to-rail input and output (RRIO)
• Input is capable of swinging above V+ and below V-
• Output sources and sinks ±29mA load current
• 0.5% gain error
• Pb-free plus anneal available (RoHS compliant)
Applications
• Battery or solar-powered systems
• Strain gauge
• Sensor signal conditioning
• Medical devices
• Industrial instrumentations
Related Literature
• AN1290, ISL2827xINEVAL1Z Evaluation Board User’s
• AN1298, Instrumentation Amplifier Application Note
ISL28270, ISL28273, ISL28470
(ground sensing)
Guide
All other trademarks mentioned are the property of their respective owners.
April 13, 2007
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2006, 2007. All Rights Reserved.
FN6260.2

Related parts for ISL28270IAZ

ISL28270IAZ Summary of contents

Page 1

... Ni-Cd batteries. Ordering Information PART NUMBER PART TAPE & (Note) MARKING REEL ISL28270IAZ 28270 IAZ 97/Tube 16 Ld QSOP (Note) ISL28270IAZ-T13 28270 IAZ 13” (Note) (1k pcs) Coming Soon 28273 FAZ 97/Tube 16 Ld QSOP ISL28273FAZ (Note) Coming Soon 28273 FAZ 7” ...

Page 2

Pinouts ISL28270, ISL28273 (16 LD QSOP) TOP VIEW NC 1 OUT_A 2 3 FB+ FB-_A 4 IN-_A 5 IN+_A 6 EN_A ISL28270, ISL28273, ISL28470 OUT_B 14 FB+_B 13 FB-_B ...

Page 3

... Thermal Resistance 16 Ld QSOP Package . . . . . . . . . . . . . . . . . . . . . . . 28 Ld QSOP Package . . . . . . . . . . . . . . . . . . . . . . . Output Short-Circuit Duration . . . . . . . . . . . . . . . . . . . . . . .Indefinite Ambient Operating Temperature Range . . . . . . . . .-40°C to +125°C Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . +125°C Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp = GND 1/ +25° ...

Page 4

Electrical Specifications V = +5V operating temperature range, -40°C to +125°C. (Continued) PARAMETER DESCRIPTION CMRR Common Mode Rejection Ratio PSRR Power Supply Rejection Ratio E Gain Error G V Maximum Voltage Swing OUT SR Slew Rate -3dB BW ...

Page 5

Electrical Specifications V = +5V operating temperature range, -40°C to +125°C. (Continued) PARAMETER DESCRIPTION I Short Circuit Output Current SC Typical Performance Curves 90 COMMON-MODE INPUT = V GAIN = 10,000V GAIN = 2,000V/V GAIN = ...

Page 6

Typical Performance Curves 90 COMMON-MODE INPUT = V GAIN = 10,000V GAIN = 500V/V 50 GAIN = 200V/V GAIN = 100V 100 1k FREQUENCY (Hz) FIGURE 5. ISL28270, ISL28470 FREQUENCY RESPONSE vs CLOSED ...

Page 7

Typical Performance Curves 120 100 80 60 CMRR 100 1k 10k FREQUENCY (Hz) FIGURE 11. ISL28270, ISL28470 CMRR vs FREQUENCY 140 120 PSRR+ 100 80 PSRR 100 1k 10k FREQUENCY (Hz) ...

Page 8

Typical Performance Curves 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0 100 1k FREQUENCY (Hz) FIGURE 17. ISL28270, ISL28470 INPUT CURRENT NOISE SPECTRAL DENSITY (GAIN = 100) TIME (1s/DIV) FIGURE 19. ISL28270, ISL28470 0 10Hz INPUT ...

Page 9

Typical Performance Curves 165 155 n = 930 MAX 145 135 125 MEDIAN 115 105 95 85 MIN 75 65 -40 - TEMPERATURE (°C) FIGURE 23. PSRR vs TEMPERATURE (V 170 n = 930 160 150 ...

Page 10

Pin Descriptions ISL28270 ISL28273 ISL28470 16 Ld QSOP 16 Ld QSOP 28 Ld QSOP ...

Page 11

Application Information Product Description The ISL28270 and ISL28273 are dual channel micropower instrumentation amplifiers (in-amps) and the ISL28470 is a Quad-channel which delivers rail-to-rail input amplification and rail-to-rail output swing. The in-amps also deliver excellent DC and AC specifications while ...

Page 12

TO 5V IN+ V+ IN+ + IN- - IN- ISL28270 FB+ + FB- - VCM FIGURE 28. GAIN IS SET BY TWO EXTERNAL RESISTORS, R AND IN+ IN- – ...

Page 13

The resulting non-ideal transfer function effectively becomes Equation 5: ⎛ ⎞ × [ ± ( ⎜ ⎟ ------- - OUT ...

Page 14

Shrink Small Outline Plastic Packages (SSOP) Quarter Size Outline Plastic Packages (QSOP) N INDEX 0.25(0.010) H AREA E - SEATING PLANE - -C- α 0.10(0.004) 0.17(0.007 ...

Page 15

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

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