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Linear Technology Electronic Components Datasheet

LT1499 Datasheet

10MHz/ 6V/us/ Dual/Quad Rail-to-Rail Input and Output Precision C-Load Op Amps

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LT1498/LT1499
10MHz, 6V/µs, Dual/Quad
Rail-to-Rail Input and Output
Precision C-Load Op Amps
FEATURES
DESCRIPTION
n Rail-to-Rail Input and Output
n 475μV Max VOS from V+ to V
n Gain-Bandwidth Product: 10MHz
n Slew Rate: 6V/μs
n Low Supply Current per Amplifier: 1.7mA
n Input Offset Current: 65nA Max
n Input Bias Current: 650nA Max
n Open-Loop Gain: 1000V/mV Min
n Low Input Noise Voltage: 12nV/√Hz Typ
n Wide Supply Range: 2.2V to ±15V
n Large Output Drive Current: 30mA
n Stable for Capacitive Loads Up to 10,000pF
n Dual in 8-Pin PDIP and SO Package
n Quad in Narrow 14-Pin SO
APPLICATIONS
n Driving A-to-D Converters
n Active Filters
n Rail-to-Rail Buffer Amplifiers
n Low Voltage Signal Processing
n Battery-Powered Systems
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and C-Load
is a trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
The LT®1498/LT1499 are dual/quad, rail-to-rail input and
output precision C-Load™ op amps with a 10MHz gain-
bandwidth product and a 6V/μs slew rate.
The LT1498/LT1499 are designed to maximize input
dynamic range by delivering precision performance over
the full supply voltage. Using a patented technique, both
input stages of the LT1498/LT1499 are trimmed, one at
the negative supply and the other at the positive supply.
The resulting guaranteed common mode rejection is much
better than other rail-to-rail input op amps. When used as
a unity-gain buffer in front of single supply 12-bit A-to-D
converters, the LT1498/LT1499 are guaranteed to add less
than 1LSB of error even in single 3V supply systems.
With 110dB of supply rejection, the LT1498/LT1499 main-
tain their performance over a supply range of 2.2V to 36V
and are specified for 3V, 5V and ±15V supplies. The inputs
can be driven beyond the supplies without damage or phase
reversal of the output. These op amps remain stable while
driving capacitive loads up to 10,000pF.
The LT1498 is available with the standard dual op amp
configuration in 8-pin PDIP and SO packaging. The LT1499
features the standard quad op amp configuration and is
available in a 14-pin plastic SO package. These devices
can be used as plug-in replacements for many standard
op amps to improve input/output range and precision.
TYPICAL APPLICATION
Single Supply 100kHz 4th Order Butterworth Filter
6.81k
VIN
6.81k
11.3k
330pF
100pF
1/2 LT1498
+
V+/2
5.23k
5.23k
10.2k
47pF
V+
1000pF
1/2 LT1498
+
1498 TA01
VOUT
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
100
Frequency Response
VIN = 2.7VP-P
V+ = 3V
1k 10k 100k 1M 10M
FREQUENCY (Hz)
1498 TA02
14989fg
1


Linear Technology Electronic Components Datasheet

LT1499 Datasheet

10MHz/ 6V/us/ Dual/Quad Rail-to-Rail Input and Output Precision C-Load Op Amps

No Preview Available !

LT1498/LT1499
ABSOLUTE MAXIMUM RATINGS (Note 1)
Total Supply Voltage (V+ to V).................................36V
Input Current........................................................ ±10mA
Output Short-Circuit Duration (Note 2) ......... Continuous
Operating Temperature Range
LT1498/LT1499....................................–40°C to 85°C
LT1498H/LT1499H............................. –40°C to 125°C
LT1498MP ......................................... –55°C to 125°C
Specified Temperature Range (Note 4)
LT1498/LT1499....................................–40°C to 85°C
LT1498H/LT1499H............................. –40°C to 125°C
LT1498MP ......................................... –55°C to 125°C
Junction Temperature ........................................... 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
PIN CONFIGURATION
TOP VIEW
OUT A 1
–IN A 2
+IN A 3
V4
A
8 V+
7 OUT B
6 –IN B
B
5 +IN B
N8 PACKAGE
8-LEAD PLASTIC DIP
TJMAX = 150°C, θJA = 130°C/W
TOP VIEW
OUT A 1
8 V+
–IN A 2
+IN A 3
V4
A
7 OUT B
6 –IN B
B
5 +IN B
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 130°C/W
TOP VIEW
OUTA 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
A
B
14 OUT D
13 –IN D
D
12 +IN D
11 V
10 +IN C
C
8 –IN C
8 OUT C
S PACKAGE
14-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 150°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING* PACKAGE DESCRIPTION
SPECIFIED TEMPERATURE RANGE
LT1498CN8#PBF
LT1498CN8#TRPBF
LT1498CN8
8-Lead Plastic PDIP
0°C to 70°C
LT1498CS8#PBF
LT1498CS8#TRPBF
1498
8-Lead Plastic SO
0°C to 70°C
LT1498IN8#PBF
LT1498IN8#TRPBF
LT1498IN8
8-Lead Plastic PDIP
–40°C to 85°C
LT1498IS8#PBF
LT1498IS8#TRPBF
1498I
8-Lead Plastic SO
–40°C to 85°C
LT1498HS8#PBF
LT1498HS8#TRPBF
1498H
8-Lead Plastic SO
–40°C to 125°C
LT1498MPS8#PBF
LT1498MPS8#TRPBF 1498MP
8-Lead Plastic SO
–55°C to 125°C
LT1499CS#PBF
LT1499CS#TRPBF
LT1499CS
14-Lead Plastic SO
0°C to 70°C
LT1499IS#PBF
LT1499IS#TRPBF
LT1499IS
14-Lead Plastic SO
–40°C to 85°C
LT1499HS#PBF
LT1499HS#TRPBF
LT1499HS
14-Lead Plastic SO
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
14989fg
2


Part Number LT1499
Description 10MHz/ 6V/us/ Dual/Quad Rail-to-Rail Input and Output Precision C-Load Op Amps
Maker Linear Technology
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LT1499 Datasheet PDF






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