Datasheet > 14682

14682

更新时间： 2024-02-03 08:31:44

品牌	Logo	应用领域
凌特 - Linear		运算放大器
页数	文件大小	规格书
12页	187K
描述
200MHz, 30V/μs 16-Bit Accurate AV ≥ 2 Op Amp

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14682 数据手册

LT1468-2

200MHz, 30V/µs

16-Bit Accurate

A ≥ 2 Op Amp

FEATURES

DESCRIPTION

TheLT^®1468-2isaprecisionhighspeedoperationalampli-

ﬁer with 16-bit accuracy, decompensated to be stable in a

gain of 2 or greater. The combination of precision and AC

performance makes the LT1468-2 the optimum choice for

highaccuracyapplicationssuchasDACcurrent-to-voltage

conversion and ADC buffers. The initial accuracy and drift

characteristicsoftheinputoffsetvoltageandinvertinginput

bias current are tailored for inverting applications.

Stable in Gain A ≥ 2 (A = –1)

200MHz Gain Bandwidth Product

30V/μs Slew Rate

Settling Time: 800ns (10V Step, 150ꢀV)

Speciﬁed at 5V and 15V Supplies

Low Distortion, ꢀ96.±dB for 100kHz, 105

Maximum Input Offset 5oltage: 7±μ5

P-P

Maximum Input Offset 5oltage Drift: 2μ5/ꢁC

Maximum (ꢀ) Input Bias Current: 10nA

Minimum DC Gain: 10005/m5

The 200MHz 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 high slew rate of the LT1468-2 improves large-signal

performance in applications such as active ﬁlters and

instrumentation ampliﬁers compared to other precision

op amps.

Minimum Output Swing into 2k: ±12.85

Input Noise 5oltage: ±n5/√Hz

Input Noise Current: 0.6pA/√Hz

Total Input Noise Optimized for 1k < R < 20k

Available in an 8-Lead Plastic SO Package

and 8-Lead DꢂN Package

The LT1468-2 is speciﬁed on power supply voltages of

±±5 and ±1±5 and from ꢀ40ꢁC to 8±ꢁC. ꢂor a unity-gain

stable op amp with same DC performance, see the LT1468

datasheet.

APPLICATIONS

16-Bit DAC Current-to-5oltage Converter

Precision Instrumentation

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other

trademarks are the property of their respective owners.

ADC Buffer

Low Distortion Active ꢂilters

High Accuracy Data Acquisition Systems

Photodiode Ampliﬁers

TYPICAL APPLICATION

16-Bit DAC I-to-V Converter

Large Signal Transient, A_V= –1

= ±1±5

= ꢀ1

ꢂ

105

20pꢂ

= R = 2k

= 22pꢂ

DAC

ꢀ

INPUTS

25/DI5

LT1468-2

OUT

LTC^®1±97

±0pꢂ

OPTIONAL NOISE ꢂILTER

OꢂꢂSET: 5 + I (6kΩ) < 1LSB

SETTLING TIME TO 1±0μ5 = 1.6μs

SETTLING LIMITED BY 6k AND 20pꢂ TO COMPENSATE DAC OUTPUT CAPACITANCE

200ns/DI5

14682 TA01

14682 TA02

14682f

12 3 4 5 6 7...12

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