Datasheet OPA196, OPA2196, OPA4196 - OPAx196 (Texas Instruments) - 9

link to page 24 link to page 11
OPA196 , OPA2196 , OPA4196 www.ti.com
SBOS869 – JULY 2017
6.8 Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V)
at TA = +25°C, VCM = VOUT = VS / 2, and RL = 10 kΩ connected to VS / 2 (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE
V V S = ±2.25V, OS Input offset voltage ±25 ±100 µV VCM = (V+) – 3 V (V+) – 3.0 V < VCM < (V+) – 1.5 V See Common-Mode Voltage Range VS = ±3V, ±25 ±100 VCM = (V+) – 1.5 V VS = ±2.25V, VCM = (V+) – 3 V ±0.5 dVOS/dT Input offset voltage drift TA = –40°C to +125°C µV/°C VS = ±2.25V, VCM = (V+) – 1.5 V ±0.5 Power-supply rejection PSRR T ratio A = –40°C to +125°C, VCM = VS / 2 – 0.75 V ±1 µV/V
INPUT BIAS CURRENT
IB Input bias current ±5 ±20 pA IOS Input offset current ±2 ±20 pA
NOISE
(V–) – 0.1 V < VCM < (V+) – 3 V f = 0.1 Hz to 10 Hz 1.4 En Input voltage noise µVPP (V+) – 1.5 V < VCM < (V+) + 0.1 V f = 0.1 Hz to 10 Hz 7 f = 100 Hz 18 (V–) – 0.1 V < VCM < (V+) – 3 V f = 1 kHz 15 en Input voltage noise density nV/√Hz f = 100 Hz 53 (V+) – 1.5 V < VCM < (V+) + 0.1 V f = 1 kHz 24 in Input current noise density f = 1 kHz 1.5 fA/√Hz
INPUT VOLTAGE
Common-mode voltage VCM (V–) – 0.1 (V+) + 0.1 V range VS = ±2.25 V, 96 110 (V–) – 0.1 V < VCM < (V+) – 3 V VS = ±2.25 V, T Common-mode rejection A = –40°C to +125°C 90 104 CMRR (V–) < VCM < (V+) – 3 V dB ratio V 96 120 S = ±2.25 V, (V+) – 1.5 V < VCM < (V+) TA = –40°C to +125°C 84 100 (V+) – 3 V < VCM < (V+) – 1.5 V See Typical Characteristics
INPUT IMPEDANCE
ZID Differential 100 || 1.6 MΩ || pF 1013Ω || ZIC Common-mode 1 || 6.4 pF
OPEN-LOOP GAIN
VS = ±2.25V, 110 120 (V–) + 0.6 V < VO < (V+) – 0.6 V, R TA = –40°C to +125°C 100 114 L = 2 kΩ AOL Open-loop voltage gain dB VS = ±2.25V, 110 126 (V–) + 0.3 V < VO < (V+) – 0.3 V, R TA = –40°C to +125°C 106 120 L = 10 kΩ Copyright © 2017, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: OPA196 OPA2196 OPA4196 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information: OPA196 6.5 Thermal Information: OPA2196 6.6 Thermal Information: OPA4196 6.7 Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V) 6.8 Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V) 6.9 Typical Characteristics 7 Detailed Description 7.1 Overview 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Input Protection Circuitry 7.3.2 EMI Rejection 7.3.3 Phase Reversal Protection 7.3.4 Thermal Protection 7.3.5 Capacitive Load and Stability 7.3.6 Common-Mode Voltage Range 7.3.7 Electrical Overstress 7.3.8 Overload Recovery 7.4 Device Functional Modes 8 Application and Implementation 8.1 Application Information 8.2 Typical Applications 8.2.1 Low-side Current Measurement 8.2.1.1 Design Requirements 8.2.1.2 Detailed Design Procedure 8.2.1.3 Application Curves 8.2.2 16-Bit Precision Multiplexed Data-Acquisition System 8.2.2.1 Design Requirements 8.2.2.2 Detailed Design Procedure 8.2.3 Slew Rate Limit for Input Protection 9 Power-Supply Recommendations 10 Layout 10.1 Layout Guidelines 10.2 Layout Example 11 Device and Documentation Support 11.1 Device Support 11.1.1 Development Support 11.1.1.1 TINA-TI (Free Software Download) 11.1.1.2 TI Precision Designs 11.2 Documentation Support 11.2.1 Related Documentation 11.3 Related Links 11.4 Receiving Notification of Documentation Updates 11.5 Community Resources 11.6 Trademarks 11.7 Electrostatic Discharge Caution 11.8 Glossary 12 Mechanical, Packaging, and Orderable Information