Datasheet > ADA4098-2

ADA4098-2

更新时间： 2024-11-24 14:57:27

品牌	Logo	应用领域
亚德诺 - ADI		放大器运算放大器
页数	文件大小	规格书
33页	2037K
描述
50V、1MHz、每信道 165 μA、具有鲁棒性的顶级精密运算放大器

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ADA4098-2 数据手册

Data Sheet

ADA4098-1/ADA4098-2

50 V, 1 MHz, 165 µA per Channel, Robust, Over-The-Top, Precision Op Amps

FEATURES

GENERAL DESCRIPTION

► Ultrawide common-mode input range: −V_S− 0.1 V to −V_S+ 70 V

► Wide power supply voltage range: +3 V to +50 V (to ±25 V for

PSRR)

► Low power supply current: 165 µA per channel (typical)

► Low input offset voltage: ±35 µV maximum

► Low input offset voltage drift: ±0.5 µV/°C maximum (B grade)

► Low input voltage noise

► 1/f noise corner: 6 Hz typical

► 400 nV p-p typical at 0.1 Hz to 10 Hz

► 17 nV/√Hz typical at 100 Hz

► High speed

► GBP: 1.05 MHz typical for f_TEST= 2.5 kHz

► Slew rate: 0.85 V/µs typical at ΔV_OUT= 25 V

► Low power supply current shutdown: 20 µA maximum

► Low input offset current: ±700 pA maximum

► Large signal voltage gain: 126 dB minimum for ΔV_OUT= 3.5 V

► CMRR: 120 dB minimum at V_CM= −0.1 V to +70 V

► PSRR: 123 dB minimum at V_SY= +3 V to ±25 V

► Input overdrive tolerant with no phase reversal

► ±3 kV HBM and ±1.25 kV FICDM

The ADA4098-1 and ADA4098-2 are single/dual robust, precision,

rail-to-rail input and output operational amplifiers (op amps) with

inputs that operate from −V_Sto +V_Sand beyond, which is referred

™

to in this data sheet as Over-The-Top . The devices feature offset

voltages of <35 µV, input bias currents (I_B) of <700 pA, and can

operate on single or split supplies that range from 3 V to 50 V.

The ADA4098-1 and ADA4098-2 draw 165 µA of supply current per

channel.

™

The ADA4098-1 and ADA4098-2 Over-The-Top input stages have

robust input protection features for abusive environments. The

inputs can tolerate up to 80 V of differential voltage without damage

or degradation to dc accuracy. The operating common-mode input

range extends from rail-to-rail and beyond, up to 70 V > –V_S,

independent of the +V_Ssupply.

The ADA4098-1 and ADA4098-2 are unity-gain stable and can

drive loads requiring up to 20 mA per channel. The devices can

also drive capacitive loads as large as 200 pF. The amplifiers are

available with low power shutdown.

The ADA4098-1 is available in a standard, 6-lead thin small out-

line transistor (TSOT) package. The ADA4098-2 is available in

an 8-lead standard small outline (SOIC_N) package, 8-lead mini

small outline package (MSOP), and 10-lead lead-frame chip-scale

package (LFCSP).

► Wide temperature range: −55°C to +150°C (H grade)

APPLICATIONS

► Industrial sensor conditioning

► Supply current sensing

► Battery and power supply monitoring

► Front-end amplifiers in abusive environments

► 4 mA to 20 mA transmitters

TYPICAL APPLICATION CIRCUIT

Figure 1. 1 V/A Over-The-Top Current Sense Application (ADA4098-1 6-Lead

TSOT, V_BATIs the Battery Voltage)

Figure 2. Output Error vs. Load Current

Rev. B

Information furnished by Analog Devices is believed to be accurate and reliable "as is". However, no responsibility is assumed by Analog

Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to

change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

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与ADA4098-2相关器件

型号	品牌	获取价格	描述	数据表
ADA4099-1	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-1BUJZ-R5	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-1BUJZ-RL7	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-1HUJZ-RL7	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-2	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-2BCPZ	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-2BCPZ-RL7	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-2BRMZ	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-2BRMZ-RL7	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-2BRZ	ADI	获取价格	50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps

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