LT1801CS8#PBF Linear Technology, LT1801CS8#PBF Datasheet

IC PREC OPAMP R-R DUAL LP 8-SOIC

LT1801CS8#PBF

Manufacturer Part Number
LT1801CS8#PBF
Description
IC PREC OPAMP R-R DUAL LP 8-SOIC
Manufacturer
Linear Technology
Type
General Purpose Amplifierr
Datasheet
1.LT1801CS8PBF.pdf (20 pages)

Specifications of LT1801CS8#PBF

Amplifier Type
General Purpose
Number Of Circuits
2
Output Type
Rail-to-Rail
Slew Rate
20 V/µs
Gain Bandwidth Product
70MHz
Current - Input Bias
400nA
Voltage - Input Offset
700µV
Current - Supply
1.8mA
Current - Output / Channel
50mA
Voltage - Supply, Single/dual (±)
2.3 V ~ 12.6 V, ±1.15 V ~ 6.3 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Rail/rail I/o Type
Rail to Rail Input/Output
Number Of Elements
2
Unity Gain Bandwidth Product
80MHz
Common Mode Rejection Ratio
85dB
Input Offset Voltage
3mV
Input Bias Current
1.5uA
Single Supply Voltage (typ)
3/5/9/12V
Dual Supply Voltage (typ)
±3/±5V
Voltage Gain In Db
98.59dB
Power Supply Rejection Ratio
78dB
Power Supply Requirement
Single/Dual
Shut Down Feature
No
Single Supply Voltage (min)
2.3V
Single Supply Voltage (max)
12.6V
Dual Supply Voltage (min)
±1.15V
Dual Supply Voltage (max)
±6.3V
Technology
BiCOM
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
-3db Bandwidth
-
Lead Free Status / Rohs Status
Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LT1801CS8#PBFLT1801CS8
Manufacturer:
LT
Quantity:
10 000
Company:
Part Number:
LT1801CS8#PBFLT1801CS8
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LT1801CS8#PBF
Manufacturer:
Cypress
Quantity:
80
Company:
Part Number:
LT1801CS8#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LT1801CS8#PBFLT1801CS8#TR
Manufacturer:
MAX
Quantity:
805
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APPLICATIONS
n
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L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
TYPICAL APPLICATION
FEATURES
V
V
S
IN
/2
Gain Bandwidth Product: 80MHz
Input Common Mode Range Includes Both Rails
Output Swings Rail-to-Rail
Low Voltage Operation: Single or Split Supplies
2.3V to 12.6V
Low Quiescent Current: 2mA/Amplifi er Max
Input Offset Voltage: 350μV Max
Input Bias Current: 250nA Max
3mm × 3mm × 0.8mm DFN Package
Large Output Current: 50mA Typ
Low Voltage Noise: 8.5nV/√Hz Typ
Slew Rate: 25V/μs Typ
Common Mode Rejection: 105dB Typ
Power Supply Rejection: 97dB Typ
Open-Loop Gain: 85V/mV Typ
Operating Temperature Range: – 40°C to 85°C
LT1801 is Available in 8-Lead SO, MS8 and DFN
Packages
LT1802 is Available in 14-Lead SO Package
Low Voltage, High Frequency Signal Processing
Driving A/D Converters
Rail-to-Rail Buffer Amplifi ers
Active Filters
Video Line Driver
909Ω
909Ω
2.67k
220pF
3V, 1MHz, 4th Order Butterworth Filter
47pF
–
+
1/2 LT1801
1.1k
1.1k
470pF
2.21k
22pF
–
+
1/2 LT1801
3V
18012 TA01
Low Power Rail-to-Rail Input and
V
OUT
Output Precision Op Amps
DESCRIPTION
The LT
rail-to-rail input and output operational amplifi ers with
excellent DC performance. The LT1801/LT1802 feature
reduced supply current, lower input offset voltage, lower
input bias current and higher DC gain than other devices
with comparable bandwidth.
Typically, the LT1801/LT1802 have an input offset voltage
of less than 100μV, an input bias current of less than 50nA
and an open-loop gain of 85 thousand.
The LT1801/LT1802 have an input range that includes
both supply rails and an output that swings within 20mV
of either supply rail to maximize the signal dynamic range
in low supply applications.
The LT1801/LT1802 maintain their performance for sup-
plies from 2.3V to 12.6V and are specifi ed at 3V, 5V and
±5V supplies. The inputs can be driven beyond the supplies
without damage or phase reversal of the output.
The LT1801 is available in the MS8, SO-8 and the 3mm
× 3mm × 0.8mm dual fi ne pitch leadless package (DFN)
with the standard dual op amp pinout. The LT1802 features
the standard quad op amp confi guration and is available
in the 14-pin plastic SO package. The LT1801/LT1802 can
be used as plug-in replacements for many op amps to
improve input/output range and performance.
For a single version of these amplifi ers, see the LT1800
data sheet.
Dual/Quad 80MHz, 25V/µs
®
1801/LT1802 are dual/quad, low power, high speed
1MHz Filter Frequency Response
–100
–120
–20
–40
–60
–80
0
1k
10k
FREQUENCY (Hz)
100k
LT1801/LT1802
1M
10M
18012 TA02
100M
18012fc
1

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LT1801CS8#PBF Summary of contents

Page 1

... Driving A/D Converters n Rail-to-Rail Buffer Amplifi ers n Active Filters n Video Line Driver L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION 3V, 1MHz, 4th Order Butterworth Filter 909Ω 47pF 1.1k 909Ω ...

Page 2

... LEAD FREE FINISH TAPE AND REEL LT1801CDD#PBF LT1801CDD#TRPBF LT1801IDD#PBF LT1801IDD#TRPBF LT1801CMS8#PBF LT1801CMS8#TRPBF LT1801IMS8#PBF LT1801IMS8#TRPBF LT1801CS8#PBF LT1801CS8#TRPBF LT1801IS8#PBF LT1801IS8#TRPBF LT1802CS#PBF LT1802CS#TRPBF LT1802IS#PBF LT1802IS#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. ...

Page 3

ELECTRICAL CHARACTERISTICS T = 25° 5V, 0V 3V, 0V SYMBOL PARAMETER V Input Offset Voltage OS ΔV Input Offset Shift OS Input Offset Voltage Match (Channel-to-Channel) (Note 9) I Input Bias ...

Page 4

LT1801/LT1802 ELECTRICAL CHARACTERISTICS of 0°C < T < 70° 5V, 0V 3V, 0V SYMBOL PARAMETER V Input Offset Voltage OS ΔV Input Offset Shift OS Input Offset Voltage Match (Channel-to-Channel) (Note 9) ...

Page 5

ELECTRICAL CHARACTERISTICS of – 40°C < T < 85° 5V, 0V 3V, 0V SYMBOL PARAMETER V Input Offset Voltage OS ΔV Input Offset Shift OS Input Offset Voltage Match (Channel-to-Channel) (Note 9) ...

Page 6

LT1801/LT1802 ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER V Input Offset Voltage OS ΔV Input Offset Shift OS Input Offset Voltage Match (Channel-to-Channel) (Note 9) I Input Bias Current B Input Bias Current Match (Channel-to-Channel) (Note 9) I Input Offset Current OS Input ...

Page 7

ELECTRICAL CHARACTERISTICS of 0°C < T < 70° ± SYMBOL PARAMETER V Input Offset Voltage OS ΔV Input Offset Shift OS Input Offset Voltage Match (Channel-to-Channel) (Note ...

Page 8

LT1801/LT1802 ELECTRICAL CHARACTERISTICS of – 40°C < T < 85° ±5V 0V SYMBOL PARAMETER V TC Input Offset Voltage Drift (Note Input Bias Current B Input Bias Current Match ...

Page 9

TYPICAL PERFORMANCE CHARACTERISTICS V Distribution (PNP Stage 5V –250 –150 –50 50 150 250 INPUT OFFSET VOLTAGE (μV) 18012 ...

Page 10

LT1801/LT1802 TYPICAL PERFORMANCE CHARACTERISTICS Minimum Supply Voltage 0 –55°C A 0.4 0 25° –0 125°C A –0.4 –0.6 4.5 0 1.5 2 2 TOTAL SUPPLY VOLTAGE (V) 18012 ...

Page 11

TYPICAL PERFORMANCE CHARACTERISTICS Input Current Noise vs Frequency 3 5V 2.5 2.0 PNP ACTIVE 1 2.5V CM 1.0 NPN ACTIVE 0 4.25V CM 0 0.01 0 100 FREQUENCY (kHz) 18012 ...

Page 12

LT1801/LT1802 TYPICAL PERFORMANCE CHARACTERISTICS Output Impedance vs Frequency 600 V = ±2.5V S 100 0.1 0.01 0.001 0 100 500 FREQUENCY (MHz) 18012 G25 ...

Page 13

TYPICAL PERFORMANCE CHARACTERISTICS 5V Large-Signal Response 1V/DIV 5V, 0V 100ns/DIV ± 5V Large-Signal Response 2V/DIV ±5V 200ns/DIV ...

Page 14

LT1801/LT1802 APPLICATIONS INFORMATION Circuit Description The LT1801/LT1802 have an input and output signal range that covers from the negative power supply to the positive power supply. Figure 1 depicts a simplifi ed schematic of the amplifi er. The input stage ...

Page 15

APPLICATIONS INFORMATION output voltage is at half of either supply voltage (or the maximum swing is less than 1/2 supply voltage given by • /2) /R DMAX S SMAX S ...

Page 16

LT1801/LT1802 APPLICATIONS INFORMATION Capacitive Load The LT1801/LT1802 are optimized for high bandwidth, low power and precision applications. They can drive a capacitive load of about 75pF in a unity-gain confi guration, and more for higher gain. When driving a larger ...

Page 17

TYPICAL APPLICATIONS Single Supply 1A Laser Driver Amplifi er Figure 4 shows the LT1801 used laser driver ap- plication. One of the reasons the LT1801 is well suited to this control task is that its 2.3V operation ...

Page 18

LT1801/LT1802 PACKAGE DESCRIPTION 3.5 ±0.05 1.65 ±0.05 2.15 ±0.05 (2 SIDES) 0.25 ± 0.05 0.50 BSC 2.38 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS 5.23 (.206) MIN 0.42 ± 0.038 (.0165 ± .0015) TYP RECOMMENDED SOLDER PAD LAYOUT ...

Page 19

... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 20

... Low Power Rail-to-Rail Input/Output Precision Op Amp LT1806/LT1807 Single/Dual 325MHz, 140V/μs Rail-to-Rail Input and Output Op Amps LT1809/LT1810 Single/Dual 180MHz Rail-to-Rail Input/Output Op Amps C-Load is a trademark of Linear Technology Corporation Linear Technology Corporation 20 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...

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