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LT1468IN8 Datasheet

  • LT1468IN8

  • 90MHz, 22V/us 16-Bit Accurate Operational Amplifier

  • 12頁

  • LINER

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LT1468
90MHz, 22V/碌s
16-Bit Accurate
Operational Amplifier
FEATURES
s
s
s
s
s
s
s
s
s
s
s
s
s
s
DESCRIPTIO
90MHz Gain Bandwidth, f = 100kHz
22V/
s Slew Rate
Settling Time: 900ns (A
V
= 鈥?, 150
V, 10V Step)
Low Distortion, 鈥?96.5dB for 100kHz, 10V
P-P
Maximum Input Offset Voltage: 75碌V
Maximum Input Offset Voltage Drift: 2碌V/擄C
Maximum (鈥? Input Bias Current: 10nA
Minimum DC Gain: 1000V/mV
Minimum Output Swing into 2k:
鹵12.8V
Unity Gain Stable
Input Noise Voltage: 5nV/鈭欻z
Input Noise Current: 0.6pA/鈭欻z
Total Input Noise Optimized for 1k < R
S
< 20k
Specified at
鹵5V
and
鹵15V
The LT
1468 is a precision high speed operational ampli-
fier with 16-bit accuracy and 900ns settling to 150碌V for
10V signals. This unique blend of precision and AC perfor-
mance 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
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 appli-
cations such as an ADC buffer, the low distortion and DC
accuracy allow full 16-bit AC and DC performance.
The 22V/碌s 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 Linear Technology鈥檚
complementary bipolar process.
, LTC and LT are registered trademarks of Linear Technology Corporation.
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 APPLICATIO
Total Harmonic Distortion vs Frequency
16-Bit DAC I-to-V Converter
TOTAL HARMONIC DISTORTION (dB)
鈥?80
V
S
=
鹵15V
A
V
= 2
R
L
= 2k
V
OUT
= 10V
P-P
鈥?90
20pF
DAC
INPUTS
16
6k
鈥?00
鈥?/div>
LT1468
2k
V
OUT
50pF
LTC
1597
鈥?10
+
鈥?20
OPTIONAL NOISE FILTER
OFFSET: V
OS
+ I
B
(6k鈩? < 1LSB
SETTLING TIME TO 150碌V = 1.7碌s
SETTLING LIMITED BY 6k AND 20pF TO COMPENSATE DAC OUTPUT CAPACITANCE
1468 TA01
鈥?30
100
U
1k
10k
FREQUENCY (Hz)
100k
1468 TA02
U
U
1

LT1468IN8 產(chǎn)品屬性

  • LT1468

  • 50

  • 集成電路 (IC)

  • Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

  • -

  • 通用

  • 1

  • -

  • 22 V/µs

  • 90MHz

  • -

  • 10nA

  • 30µV

  • 3.9mA

  • 22mA

  • ±4.5 V ~ 15 V

  • -40°C ~ 85°C

  • 通孔

  • 8-DIP(0.300",7.62mm)

  • 8-PDIP

  • 管件

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