LT1469AIDF#TRPBF

更新时间： 2024-02-25 14:36:49

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凌特 - Linear		运算放大器
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LT1469AIDF#TRPBF 数据手册

Final Electrical Specifications

LT1469

Dual 90MHz, 22V/µs

16-Bit Accurate Operational Amplifier

February 2000

DESCRIPTIO

FEATURES

The LT^®1469 is a dual, precision high speed operational

amplifierwith16-bitaccuracyand900nssettlingto150µV

for 10V signals. This unique blend of precision and AC

performance makes the LT1469 the optimum choice for

high accuracy applications such as DAC current-to-volt-

age conversion and ADC buffers. The initial accuracy and

drift characteristics of the input offset voltage and invert-

ing input bias current are tailored for inverting applica-

tions.

■

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

■

The 90MHz gain bandwidth ensures high open-loop gain

atfrequencyforreducingdistortion. Innoninvertingappli-

cations such as an ADC buffer, the low distortion and DC

accuracy allow full 16-bit AC and DC performance.

Total Input Noise Optimized for 1kΩ < R_S< 20kΩ

Specified at ±5V and ±15V Supplies

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.

APPLICATIO S

■

Precision Instrumentation

■

The LT1469 is manufactured on Linear Technology’s

complementary bipolar process and is available in 8-pin

PDIP and SO packages. A single version,the LT1468, is

also available.

High Accuracy Data Acquisition Systems

■

16-Bit DAC Current-to-Voltage Converter

■

ADC Buffer

■

Low Distortion Active Filters

■

, LTC and LT are registered trademarks of Linear Technology Corporation.

Photodiode Amplifiers

TYPICAL APPLICATIO

16-Bit Accurate Single Ended to Differential ADC Buffer

200Ω

1/2 LT1469

–

300pF

+IN

10pF

16 BITS

LTC1604

333ksps

–IN

300pF

200Ω

1469 TA01

–

1/2 LT1469

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.

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