LT1881ACS8 datasheet, PDF - EEWORLD Datasheet

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LT1881ACS8: DescriptionPrecision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps; CategoryAnalog mixed-signal IC Amplifier circuit; File Size295KB，18 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LT1881ACS8 Overview

Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps

LT1881ACS8 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	ADI
package instruction	SOP,
Reach Compliance Code	not_compliant
ECCN code	EAR99
Amplifier type	OPERATIONAL AMPLIFIER
Maximum average bias current (IIB)	0.00025 µA
Nominal Common Mode Rejection Ratio	125 dB
Maximum input offset voltage	85 µV
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.9 mm
Humidity sensitivity level	1
Negative supply voltage upper limit	-20 V
Nominal Negative Supply Voltage (Vsup)	-15 V
Number of functions	2
Number of terminals	8
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	235
Certification status	Not Qualified
Maximum seat height	1.75 mm
Nominal slew rate	0.4 V/us
Supply voltage upper limit	20 V
Nominal supply voltage (Vsup)	15 V
surface mount	YES
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
Nominal Uniform Gain Bandwidth	850 kHz
width	3.9 mm

User Manual

【User Guides】DC606A - Demo Manual

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FEATURES

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

= 1, C

= 1000pF

Standard Pinouts

Wide Operating Temperature Range:

–55°C to 125°C (LT1882)

APPLICATIONS

Thermocouple Ampliﬁers

Bridge Transducer Conditioners

Instrumentation Ampliﬁers

Battery-Powered Systems

Photo Current Ampliﬁers

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

= ±15V

40 N8 (1 LOT)

144 S8 (2 LOTS)

184 TOTAL PARTS

TC V

Distribution, Industrial Grade

LT1881

–

LT1634

4.096V

–5V

COM

REF

OFS

33pF

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

OUT

–4.096V

TO 4.096V

18812 TA01a

18812fb

LT1881ACS8 Related Products

	LT1881ACS8	LT1881CN8#PBF	LT1881ACS8#TR	LT1881ACN8	LT1881IN8#PBF	LT1881ACN8#PBF	LT1881IN8	LT1882CS#TR	LT1881IS8#PBF	LT1881AIS8#TRPBF
Description	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 LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps	Precision Amplifiers Dual R-to-R Output Picoamp OA	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 2x R2R Out, pA In Prec Op Amps	Precision Amplifier Dual R-to-R Output Picoamp OA
Is it Rohs certified?	incompatible	conform to	incompatible	incompatible	conform to	conform to	incompatible	incompatible	conform to	conform to
Maker	ADI	ADI	ADI	ADI	ADI	ADI	ADI	ADI	ADI	ADI
package instruction	SOP,	DIP,	SOP,	DIP,	DIP,	DIP,	0.300 INCH, PLASTIC, DIP-8	SOP,	SOP,	0.150 INCH, PLASTIC, SO-8
Reach Compliance Code	not_compliant	compliant	not_compliant	not_compliant	compliant	compliant	not_compliant	not_compliant	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)	0.00025 µA	0.0006 µA	0.00025 µA	0.00025 µA	0.0007 µA	0.00025 µA	0.0007 µA	0.0006 µA	0.0007 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	85 µV	125 µV	85 µV	85 µV	150 µV	85 µV	150 µV	125 µV	150 µV	110 µV
JESD-30 code	R-PDSO-G8	R-PDIP-T8	R-PDSO-G8	R-PDIP-T8	R-PDIP-T8	R-PDIP-T8	R-PDIP-T8	R-PDSO-G14	R-PDSO-G8	R-PDSO-G8
JESD-609 code	e0	e3	e0	e0	e3	e3	e0	e0	e3	e3
length	4.9 mm	10.16 mm	4.9 mm	10.16 mm	10.16 mm	10.16 mm	10.16 mm	8.65 mm	4.9 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	4	2	2
Number of terminals	8	8	8	8	8	8	8	14	8	8
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C	85 °C	70 °C	85 °C	70 °C	85 °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	DIP	DIP	SOP	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	IN-LINE	IN-LINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	235	NOT SPECIFIED	235	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	235	260	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	3.937 mm	3.937 mm	1.75 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	NO	NO	YES	YES	YES
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)	MATTE TIN	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	MATTE TIN	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	GULL WING	THROUGH-HOLE	GULL WING	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	GULL WING	GULL WING	GULL WING
Terminal pitch	1.27 mm	2.54 mm	1.27 mm	2.54 mm	2.54 mm	2.54 mm	2.54 mm	1.27 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	20	NOT SPECIFIED	20	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	20	30	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	7.62 mm	7.62 mm	3.9 mm	3.9 mm	3.9 mm

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