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Datasheet> All Categories > Analog mixed-signal IC> Amplifier circuit> LT1881IS8#PBF
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LT1881IS8#PBF

Description

Basic information of LT1881IS8#PBF amplifier:

LT1881IS8#PBF is a precision amplifier (Precision Amplifiers) from Analog Devices Inc. It belongs to the LT1881 series of products.

LT1881IS8#PBF amplifier core information:

The minimum operating temperature of LT1881IS8#PBF is - 40 C and the maximum operating temperature is + 85 C. The corresponding working power supply current is 650 uA. The output current of each channel is: 10 mA.

The LT1881IS8#PBF has a power supply rejection ratio of 106 dB. (Power supply rejection ratio (PSRR): An indicator used to determine the impact of the amplifier output on the power supply. PSRR = 20log[(Ripple(in) / Ripple(out))], that is, the larger the value, the less the amplifier output is affected by the power input. The smaller.) The amplifier gain of LT1881IS8#PBF can reach: 1600 V/mV (The amplifier gain is the logarithm of the ratio of the amplifier output power to the input power, which is used to indicate the degree of power amplification. It also refers to the amplification factor of voltage or current. Similarly , decibel is the unit of amplifier gain) and its voltage gain is 64 dB. The gain bandwidth product (GBP, Gain Bandwidth Product) of LT1881IS8#PBF is 1 MHz. As a parameter to simply measure the performance of the amplifier, if you are not just choosing your amplifier, you can use this as a relatively simple measurement indicator. The corresponding input voltage noise density is 14 nV/rtHz and the corresponding input noise current density is 0.03 pA/rtHz.

When a voltage difference of 30 uV is input between the input pins of LT1881IS8#PBF, the output voltage of this amplifier is 0V. (That is, its input bias voltage is 30 uV)

Related dimensions of LT1881IS8#PBF:

Number of channels in total: 2 Channels.

LT1881IS8#PBF amplifier other information:

Its more detailed single package form is: SO-8. When suppliers on the market sell LT1881IS8#PBF, they use the form: Tube.

CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size295KB，18 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Alternative parts：LT1881IS8#PBF
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LT1881IS8#PBF Overview

Basic information of LT1881IS8#PBF amplifier:

LT1881IS8#PBF is a precision amplifier (Precision Amplifiers) from Analog Devices Inc. It belongs to the LT1881 series of products.

LT1881IS8#PBF amplifier core information:

The minimum operating temperature of LT1881IS8#PBF is - 40 C and the maximum operating temperature is + 85 C. The corresponding working power supply current is 650 uA. The output current of each channel is: 10 mA.

The LT1881IS8#PBF has a power supply rejection ratio of 106 dB. (Power supply rejection ratio (PSRR): An indicator used to determine the impact of the amplifier output on the power supply. PSRR = 20log[(Ripple(in) / Ripple(out))], that is, the larger the value, the less the amplifier output is affected by the power input. The smaller.) The amplifier gain of LT1881IS8#PBF can reach: 1600 V/mV (The amplifier gain is the logarithm of the ratio of the amplifier output power to the input power, which is used to indicate the degree of power amplification. It also refers to the amplification factor of voltage or current. Similarly , decibel is the unit of amplifier gain) and its voltage gain is 64 dB. The gain bandwidth product (GBP, Gain Bandwidth Product) of LT1881IS8#PBF is 1 MHz. As a parameter to simply measure the performance of the amplifier, if you are not just choosing your amplifier, you can use this as a relatively simple measurement indicator. The corresponding input voltage noise density is 14 nV/rtHz and the corresponding input noise current density is 0.03 pA/rtHz.

When a voltage difference of 30 uV is input between the input pins of LT1881IS8#PBF, the output voltage of this amplifier is 0V. (That is, its input bias voltage is 30 uV)

Related dimensions of LT1881IS8#PBF:

Number of channels in total: 2 Channels.

LT1881IS8#PBF amplifier other information:

Its more detailed single package form is: SO-8. When suppliers on the market sell LT1881IS8#PBF, they use the form: Tube.

LT1881IS8#PBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionSOP,
Contacts8
Manufacturer packaging code05-08-1610 (S8)
Reach Compliance Codecompliant
Amplifier typeOPERATIONAL AMPLIFIER
Maximum average bias current (IIB)0.0007 µA
Nominal Common Mode Rejection Ratio125 dB
Maximum input offset voltage150 µV
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9 mm
Humidity sensitivity level1
Negative supply voltage upper limit-20 V
Nominal Negative Supply Voltage (Vsup)-15 V
Number of functions2
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.75 mm
Nominal slew rate0.4 V/us
Supply voltage upper limit20 V
Nominal supply voltage (Vsup)15 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
Nominal Uniform Gain Bandwidth850 kHz
width3.9 mm

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FEATURES
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LT1881/LT1882
Dual and Quad
Rail-to-Rail Output, Picoamp
Input Precision Op Amps
DESCRIPTION
The LT
®
1881 and LT1882 op amps bring high accuracy
input performance to amplifiers with rail-to-rail output
swing. Input bias currents and capacitive load driving
capabilities are superior to the similar LT1884 and LT1885
amplifiers, at the cost of a slight loss in speed. Input
offset voltage is trimmed to less than 50μV and the
low drift maintains this accuracy over the operating
temperature range. Input bias currents are an ultralow
200pA maximum.
The amplifiers work on any total power supply voltage
between 2.7V and 36V (fully specified from 5V to ±15V).
Output voltage swings to within 40mV of the negative
supply and 220mV of the positive supply make these
amplifiers good choices for low voltage single supply
operation.
Capacitive loads up to 1000pF can be driven directly in
unity-gain follower applications.
The dual LT1881 and LT1881A are available with standard
pinouts in S8 and PDIP packages. The quad LT1882 is in a
14-pin SO package. For a higher speed device with similar
DC specifications, see the LT1884/LT1885.
Offset Voltage: 50μV Maximum (LT1881A)
Input Bias Current: 200pA Maximum (LT1881A)
Offset Voltage Drift: 0.8μV/°C Maximum
Rail-to-Rail Output Swing
Supply Range: 2.7V to 36V
Operates with Single or Split Supplies
Open-Loop Voltage Gain: 1 Million Minimum
1mA Maximum Supply Current Per Amplifier
Stable at A
V
= 1, C
L
= 1000pF
Standard Pinouts
Wide Operating Temperature Range:
–55°C to 125°C (LT1882)
APPLICATIONS
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Thermocouple Amplifiers
Bridge Transducer Conditioners
Instrumentation Amplifiers
Battery-Powered Systems
Photo Current Amplifiers
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
16-Bit Voltage Output DAC on ± 5V Supply
5V
26
24
22
20
18
16
14
12
10
8
6
4
2
0
V
S
= ±15V
40 N8 (1 LOT)
144 S8 (2 LOTS)
184 TOTAL PARTS
TC V
OS
Distribution, Industrial Grade
5V
+
LT1881
–
LT1634
4.096V
R1
–5V
R
COM
REF
R
OFS
33pF
5V
DAC
PERCENT OF UNITS (%)
1.65k
–
LT1881
1 –0.9 –0.8 –0.7 –0.6 –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
INPUT OFFSET VOLTAGE DRIFT (μV/°C)
18812 TA01b
LTC
®
1597
+
–5V
V
OUT
–4.096V
TO 4.096V
18812 TA01a
18812fb
1

LT1881IS8#PBF Related Products

LT1881IS8#PBF LT1881CN8#PBF LT1881ACS8#TR LT1881ACN8 LT1881IN8#PBF LT1881ACS8 LT1881ACN8#PBF LT1881IN8 LT1882CS#TR LT1881AIS8#TRPBF
Description Precision Amplifier 2x R2R Out, pA In Prec Op Amps Precision Amplifiers Dual R-to-R Output Picoamp OA Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifiers Dual R-to-R Output Picoamp OA Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifiers Dual R-to-R Output Picoamp OA Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifier LT1882 - Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifier Dual R-to-R Output Picoamp OA
Is it Rohs certified? conform to conform to incompatible incompatible conform to incompatible conform to incompatible incompatible conform to
Maker ADI ADI ADI ADI ADI ADI ADI ADI ADI ADI
package instruction SOP, DIP, SOP, DIP, DIP, SOP, DIP, 0.300 INCH, PLASTIC, DIP-8 SOP, 0.150 INCH, PLASTIC, SO-8
Reach Compliance Code compliant compliant not_compliant not_compliant compliant not_compliant compliant not_compliant not_compliant compliant
Amplifier type OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER
Maximum average bias current (IIB) 0.0007 µA 0.0006 µA 0.00025 µA 0.00025 µA 0.0007 µA 0.00025 µA 0.00025 µA 0.0007 µA 0.0006 µA 0.0007 µA
Nominal Common Mode Rejection Ratio 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB
Maximum input offset voltage 150 µV 125 µV 85 µV 85 µV 150 µV 85 µV 85 µV 150 µV 125 µV 110 µV
JESD-30 code R-PDSO-G8 R-PDIP-T8 R-PDSO-G8 R-PDIP-T8 R-PDIP-T8 R-PDSO-G8 R-PDIP-T8 R-PDIP-T8 R-PDSO-G14 R-PDSO-G8
JESD-609 code e3 e3 e0 e0 e3 e0 e3 e0 e0 e3
length 4.9 mm 10.16 mm 4.9 mm 10.16 mm 10.16 mm 4.9 mm 10.16 mm 10.16 mm 8.65 mm 4.9 mm
Humidity sensitivity level 1 1 1 1 1 1 1 1 1 1
Negative supply voltage upper limit -20 V -20 V -20 V -20 V -20 V -20 V -20 V -20 V -20 V -20 V
Nominal Negative Supply Voltage (Vsup) -15 V -15 V -15 V -15 V -15 V -15 V -15 V -15 V -15 V -15 V
Number of functions 2 2 2 2 2 2 2 2 4 2
Number of terminals 8 8 8 8 8 8 8 8 14 8
Maximum operating temperature 85 °C 70 °C 70 °C 70 °C 85 °C 70 °C 70 °C 85 °C 70 °C 85 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP DIP SOP DIP DIP SOP DIP DIP SOP SOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE IN-LINE SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 260 NOT SPECIFIED 235 NOT SPECIFIED NOT SPECIFIED 235 NOT SPECIFIED NOT SPECIFIED 235 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.75 mm 3.937 mm 1.75 mm 3.937 mm 3.937 mm 1.75 mm 3.937 mm 3.937 mm 1.75 mm 1.75 mm
Nominal slew rate 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us
Supply voltage upper limit 20 V 20 V 20 V 20 V 20 V 20 V 20 V 20 V 20 V 20 V
Nominal supply voltage (Vsup) 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V
surface mount YES NO YES NO NO YES NO NO YES YES
Temperature level INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL COMMERCIAL COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) MATTE TIN Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) MATTE TIN Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Matte Tin (Sn)
Terminal form GULL WING THROUGH-HOLE GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING GULL WING
Terminal pitch 1.27 mm 2.54 mm 1.27 mm 2.54 mm 2.54 mm 1.27 mm 2.54 mm 2.54 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 NOT SPECIFIED 20 NOT SPECIFIED NOT SPECIFIED 20 NOT SPECIFIED NOT SPECIFIED 20 30
Nominal Uniform Gain Bandwidth 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz
width 3.9 mm 7.62 mm 3.9 mm 7.62 mm 7.62 mm 3.9 mm 7.62 mm 7.62 mm 3.9 mm 3.9 mm

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