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LT1468ACDD#PBF

Description
Op Amp Single High Speed Amplifier ±18V Automotive 8-Pin DFN EP Tube
File Size219KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LT1468ACDD#PBF Overview

Op Amp Single High Speed Amplifier ±18V Automotive 8-Pin DFN EP Tube

LT1468ACDD#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.33.00.01
TypeHigh Speed Amplifier
Manufacturer TypeHigh Speed Amplifier
Number of Channels per Chip1
Process TechnologyBiCOM
Maximum Input Offset Voltage (mV)0.175@±5V
Minimum Dual Supply Voltage (V)±3
Typical Dual Supply Voltage (V)±5|±9|±12|±15
Maximum Dual Supply Voltage (V)±18
Maximum Input Offset Current (uA)0.05@±15V
Maximum Input Bias Current (uA)0.04@±15V
Maximum Supply Current (mA)5@±5V
Typical Output Current (mA)22@±5V
Power Supply TypeDual
Typical Slew Rate (V/us)17@±5V
Typical Input Noise Voltage Density (nV/rtHz)5@±15V
Typical Voltage Gain (dB)135.56
Typical Noninverting Input Current Noise Density (pA/rtHz)0.6@±15V
Minimum PSRR (dB)100
Minimum CMRR (dB)96
Minimum CMRR Range (dB)95 to 105
Typical Gain Bandwidth Product (MHz)88
Typical Settling Time (ns)770
Shut Down SupportNo
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
Supplier Temperature GradeCommercial
PackagingTube
Pin Count8
Standard Package NameDFN
Supplier PackageDFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length3
Package Width3
PCB changed8
Lead ShapeNo Lead
FEATURES
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LT1468
90MHz, 22V/µs
16-Bit Accurate
Operational Amplifier
DESCRIPTION
The LT
®
1468 is a precision high speed operational amplifier
with 16-bit accuracy and 900ns settling to 150μV for 10V
signals. This unique blend of precision and AC performance
makes the LT1468 the optimum choice for high accuracy
applications such as DAC current-to-voltage conversion
and ADC buffers. The initial accuracy and drift character-
istics of the input offset voltage and inverting input bias
current are tailored for inverting applications.
The 90MHz gain bandwidth ensures high open-loop gain
at frequency for reducing distortion. In noninverting ap-
plications such as an ADC buffer, the low distortion and
DC accuracy allow full 16-bit AC and DC performance.
The 22V/μs slew rate of the LT1468 improves large-signal
performance in applications such as active filters and
instrumentation amplifiers compared to other precision
op amps.
The LT1468 is manufactured on a complementary bipolar
process. It is available in a space saving 3mm
×
3mm lead-
less package, as well as small outline and DIP packages.
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.
90MHz Gain Bandwidth, f = 100kHz
22V/μs Slew Rate
Settling Time: 900ns (A
V
= –1, 150μV, 10V Step)
Low Distortion, – 96.5dB for 100kHz, 10V
P-P
Maximum Input Offset Voltage: 75μV
Maximum Input Offset Voltage Drift: 2μV/°C
Maximum (–) Input Bias Current: 10nA
Minimum DC Gain: 1000V/mV
Minimum Output Swing into 2k: ±12.8V
Unity Gain Stable
Input Noise Voltage: 5nV/√Hz
Input Noise Current: 0.6pA/√Hz
Total Input Noise Optimized for 1k < R
S
< 20k
Specified at ±5V and ±15V
APPLICATIONS
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16-Bit DAC Current-to-Voltage Converter
Precision Instrumentation
ADC Buffer
Low Distortion Active Filters
High Accuracy Data Acquisition Systems
Photodiode Amplifiers
TYPICAL APPLICATION
Total Harmonic Distortion vs Frequency
16-Bit DAC I-to-V Converter
TOTAL HARMONIC DISTORTION (dB)
–80
V
S
= ±15V
A
V
= 2
R
L
= 2k
V
OUT
= 10V
P-P
–90
20pF
DAC
INPUTS
16
6k
LT1468
–100
2k
V
OUT
50pF
LTC
®
1597
–110
+
OPTIONAL NOISE FILTER
OFFSET: V
OS
+ I
B
(6kΩ) < 1LSB
SETTLING TIME TO 150μV = 1.7μs
SETTLING LIMITED BY 6k AND 20pF TO COMPENSATE DAC OUTPUT CAPACITANCE
1468 TA01
–120
–130
100
1k
10k
FREQUENCY (Hz)
100k
1468 TA02
1468fb
1

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