Datasheet ADA4097-1, ADA4097-2 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 50 V, 130 kHz, 32.5 µA per Channel, Robust, Over-The-Top, Precision Op Amps |
| Páginas / Página | 31 / 1 — ADA4097-1/ADA4097-2. FEATURES. GENERAL DESCRIPTION. APPLICATIONS. TYPICAL … |
| Formato / tamaño de archivo | PDF / 1.8 Mb |
| Idioma del documento | Inglés |
ADA4097-1/ADA4097-2. FEATURES. GENERAL DESCRIPTION. APPLICATIONS. TYPICAL APPLICATION CIRCUIT
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ADA4097-1/ADA4097-2
50 V, 130 kHz, 32.5 µA per Channel, Robust, Over-The-Top, Precision Op Amps
FEATURES
► Battery and power supply monitoring ► Front-end amplifiers in abusive environments ► Ultrawide common-mode input range: −VS − 0.1 V to −VS + 70 V ► 4 mA to 20 mA transmitters ► Wide power supply voltage range: +3 V to +50 V (to ±25 V for PSRR)
GENERAL DESCRIPTION
► Low power supply current: 32.5 µA (typical) The ADA4097-1/ADA4097-2 are single and dual robust, precision, ► Low input offset voltage: ±60 µV maximum rail-to-rail input and output operational amplifiers (op amps) with ► Low input offset voltage drift: ±1 µV/°C maximum (B grade) inputs that operate from −VS to +VS and beyond, which are referred ► Low input voltage noise to in this data sheet as Over-The-Top™. The devices feature offset ► 6 Hz typical 1/f noise corner voltages of <60 µV, input bias currents (IB) of <0.3 nA, and can ► 1000 nV p-p typical at 0.1 Hz to 10 Hz operate on single or split supplies that range from 3 V to 50 V. ► GBP: 130 kHz typical for f The ADA4097-1/ADA4097-2 draw 32.5 µA of supply current per TEST = 250 Hz channel. ► Slew rate: 0.1 V/µs typical at ΔVOUT = 4 V ► Low power supply current shutdown: 20 µA maximum The ADA4097-1/ADA4097-2 Over-The-Top™ input stages have ro- ► Low input offset current: ±300 pA maximum bust input protection features for abusive environments. The inputs can tolerate up to 80 V of differential voltage without damage or ► Large signal voltage gain: 120 dB minimum for ΔVOUT = 3.5 V degradation to dc accuracy. The operating common-mode input ► CMRR: 120 dB minimum at VCM = −0.1 V to +70 V range extends from rail-to-rail and beyond, up to 70 V > –VS, ► PSRR: 123 dB minimum at VSY = +3 V to ±25 V independent of the +VS supply. ► Input overdrive tolerant with no phase reversal The ADA4097-1/ADA4097-2 are unity-gain stable and can drive ► ±2 kV HBM and ±1.25 kV FICDM loads requiring up to 20 mA per channel. The devices can also ► Wide temperature range: −55°C to +150°C (H grade) drive capacitive loads as large as 200 pF. The amplifiers are ► Shutdown feature available for single 6-lead TSOT and dual available with low power shutdown. 10-lead LFCSP packages The ADA4097-1 is available in a standard, 6-lead thin small out-
APPLICATIONS
line transistor (TSOT) package. The ADA4097-2 is available in an 8-lead standard small outline (SOIC_N) package, 8-lead mini ► Industrial sensor conditioning small outline package (MSOP), and 10-lead lead-frame chip-scale ► Supply current sensing package (LFCSP).
TYPICAL APPLICATION CIRCUIT Figure 1. 1 V/A Over-The-Top Current Sense Application (VBAT Is the Battery Voltage.) Figure 2. Output Error vs. Load Current Rev. A DOCUMENT FEEDBACK
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
TECHNICAL SUPPORT
registered trademarks are the property of their respective owners. Document Outline Features Applications General Description Typical Application Circuit Specifications 5 V Supply ±15 V Supply Absolute Maximum Ratings Maximum Power Dissipation Thermal Resistance Electrostatic Discharge (ESD) Ratings ESD Ratings for ADA4097-1/ADA4097-2 ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Input Protection Over-The-Top Operation Considerations Output Shutdown Pins (SHDN and SHDNx) Applications Information Large Resistor Gain Operation Recommended Values for Various Gains Noise Distortion Power Dissipation and Thermal Shutdown Circuit Layout Considerations Power Supply Bypassing Grounding ESD Protection when Powered Related Products Typical Applications Outline Dimensions Ordering Guide Evaluation Boards
ADA4097-1/ADA4097-2
50 V, 130 kHz, 32.5 µA per Channel, Robust, Over-The-Top, Precision Op Amps
FEATURES
► Battery and power supply monitoring ► Front-end amplifiers in abusive environments ► Ultrawide common-mode input range: −VS − 0.1 V to −VS + 70 V ► 4 mA to 20 mA transmitters ► Wide power supply voltage range: +3 V to +50 V (to ±25 V for PSRR)
GENERAL DESCRIPTION
► Low power supply current: 32.5 µA (typical) The ADA4097-1/ADA4097-2 are single and dual robust, precision, ► Low input offset voltage: ±60 µV maximum rail-to-rail input and output operational amplifiers (op amps) with ► Low input offset voltage drift: ±1 µV/°C maximum (B grade) inputs that operate from −VS to +VS and beyond, which are referred ► Low input voltage noise to in this data sheet as Over-The-Top™. The devices feature offset ► 6 Hz typical 1/f noise corner voltages of <60 µV, input bias currents (IB) of <0.3 nA, and can ► 1000 nV p-p typical at 0.1 Hz to 10 Hz operate on single or split supplies that range from 3 V to 50 V. ► GBP: 130 kHz typical for f The ADA4097-1/ADA4097-2 draw 32.5 µA of supply current per TEST = 250 Hz channel. ► Slew rate: 0.1 V/µs typical at ΔVOUT = 4 V ► Low power supply current shutdown: 20 µA maximum The ADA4097-1/ADA4097-2 Over-The-Top™ input stages have ro- ► Low input offset current: ±300 pA maximum bust input protection features for abusive environments. The inputs can tolerate up to 80 V of differential voltage without damage or ► Large signal voltage gain: 120 dB minimum for ΔVOUT = 3.5 V degradation to dc accuracy. The operating common-mode input ► CMRR: 120 dB minimum at VCM = −0.1 V to +70 V range extends from rail-to-rail and beyond, up to 70 V > –VS, ► PSRR: 123 dB minimum at VSY = +3 V to ±25 V independent of the +VS supply. ► Input overdrive tolerant with no phase reversal The ADA4097-1/ADA4097-2 are unity-gain stable and can drive ► ±2 kV HBM and ±1.25 kV FICDM loads requiring up to 20 mA per channel. The devices can also ► Wide temperature range: −55°C to +150°C (H grade) drive capacitive loads as large as 200 pF. The amplifiers are ► Shutdown feature available for single 6-lead TSOT and dual available with low power shutdown. 10-lead LFCSP packages The ADA4097-1 is available in a standard, 6-lead thin small out-
APPLICATIONS
line transistor (TSOT) package. The ADA4097-2 is available in an 8-lead standard small outline (SOIC_N) package, 8-lead mini ► Industrial sensor conditioning small outline package (MSOP), and 10-lead lead-frame chip-scale ► Supply current sensing package (LFCSP).
TYPICAL APPLICATION CIRCUIT Figure 1. 1 V/A Over-The-Top Current Sense Application (VBAT Is the Battery Voltage.) Figure 2. Output Error vs. Load Current Rev. A DOCUMENT FEEDBACK
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
TECHNICAL SUPPORT
registered trademarks are the property of their respective owners. Document Outline Features Applications General Description Typical Application Circuit Specifications 5 V Supply ±15 V Supply Absolute Maximum Ratings Maximum Power Dissipation Thermal Resistance Electrostatic Discharge (ESD) Ratings ESD Ratings for ADA4097-1/ADA4097-2 ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Input Protection Over-The-Top Operation Considerations Output Shutdown Pins (SHDN and SHDNx) Applications Information Large Resistor Gain Operation Recommended Values for Various Gains Noise Distortion Power Dissipation and Thermal Shutdown Circuit Layout Considerations Power Supply Bypassing Grounding ESD Protection when Powered Related Products Typical Applications Outline Dimensions Ordering Guide Evaluation Boards