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LT1469IDF#PBF

Description
Op Amp Dual High Speed Amplifier ±18V Automotive 12-Pin DFN EP Tube
File Size2MB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LT1469IDF#PBF Overview

Op Amp Dual High Speed Amplifier ±18V Automotive 12-Pin DFN EP Tube

LT1469IDF#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 Chip2
Process TechnologyBiCOM
Maximum Input Offset Voltage (mV)0.3@±5V
Minimum Dual Supply Voltage (V)±3
Typical Dual Supply Voltage (V)±5|±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)10@±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)138.06
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)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeIndustrial
PackagingTube
Pin Count12
Standard Package NameDFN
Supplier PackageDFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length4
Package Width4
PCB changed12
Lead ShapeNo Lead
LT1469
Dual 90MHz, 22V/µs
16-Bit Accurate Operational Amplifier
FEATURES
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DESCRIPTION
The LT
®
1469 is a dual, precision high speed operational
amplifier with 16-bit accuracy and 900ns settling to 150µV
for 10V steps. This unique blend of precision and AC
performance makes the LT1469 the optimum choice for
high accuracy applications such as DAC current-to-voltage
conversion and ADC buffers. The initial accuracy and drift
characteristics 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 LT1469 improves large signal
performance compared to other precision op amps in
applications such as active filters and instrumentation
amplifiers.
The LT1469 is available in a space saving 4mm
×
4mm
leadless package, as well as in small outline and DIP pack-
ages. A single version, the LT1468, is also available.
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
Maximum Input Offset Voltage: 125µV
Settling Time: 900ns (A
V
= –1, 150µV, 10V Step)
22V/µs Slew Rate
Low Distortion: –96.5dB for 100kHz, 10V
P-P
Maximum Input Offset Voltage Drift: 3µV/°C
Maximum Inverting Input Bias Current: 10nA
Minimum DC Gain: 300V/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 1kΩ < R
S
< 20kΩ
Specified at ±5V and ±15V Supplies
APPLICATIONS
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Precision Instrumentation
High Accuracy Data Acquisition Systems
16-Bit DAC Current-to-Voltage Converter
ADC Buffer
Low Distortion Active Filters
Photodiode Amplifiers
TYPICAL APPLICATION
16-Bit DAC I-to-V Converter and Reference Inverter for Bipolar Output Swing (V
OUT
= –10V to 10V)
15V
V
REF
Bipolar Multiplying Mode (LTC1597)
Signal-to-(Noise + Distortion)
40
2.4µs SETTLING TIME
TO 1LSB ON 20V STEP
SIGNAL/(NOISE + DISTORTION) (dB)
50
60
70
80
500kHz FILTER
90
100
110
–15V
1469 TA01
+
1/2 LT1469
DAC INPUT CODE = ALL ZEROS
V
REF
= 20V
P-P
15pF
15pF
LTC1597
+
1/2 LT1469
16 BITS
DAC INPUTS
12k
12k
12k
12k
R
LPF
V
OUT
C
LPF
80kHz FILTER
10
100
30kHz
FILTER
100k
1469 TA01a
1k
10k
FREQUENCY (Hz)
1469fb
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