link to page 16 link to page 17 Data SheetADA4950-1/ADA4950-2TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, +VS = 5 V, −VS = −5 V, VOCM = 0 V, G = 1, RT = 53.6 Ω (when used), RL, dm = 1 kΩ, unless otherwise noted. Refer to Figure 49 for test setup. Refer to Figure 52 for signal definitions. 221V1VB)OUT, dm = 100mV p-pB)OUT, dm = 2V p-pddN (0N (0AIAIG –1GG = 1, RPG = 1, RT = 53.6Ω–1PT = 53.6ΩG = 2, RG = 2, RT = 57.6ΩT = 57.6Ω–2G = 3, R–2G = 3, RT = 61.9Ω-LOOT = 61.9Ω-LOODDEE–3–3LOSLOSC –4C –4DD–5–5LIZELIZEAAM –6M –6ORORN –7N 007 –7 010 –8 07957- –8 07957- 11010010001101001000FREQUENCY (MHz)FREQUENCY (MHz) Figure 7. Small-Signal Frequency Response for Various Gains Figure 10. Large-Signal Frequency Response for Various Gains 221VOUT, dm = 100mV p-p1VOUT, dm = 2V p-p00B)B)d –1VS = ±5Vd –1VN (S = ±2.5VN (VS = ±5VAI –2AI –2VS = ±2.5VGGPP–3–3-LOO-LOOD –4D –4EE–5LOS–5LOSCC–6–6 1 –7 1 008 –7 0 –8 07957- –8 07957- 11010010001101001000FREQUENCY (MHz)FREQUENCY (MHz) Figure 8. Small-Signal Frequency Response for Various Supplies Figure 11. Large-Signal Frequency Response for Various Supplies 221VOUT, dm = 100mV p-p1VOUT, dm = 2V p-p00B)B)d –1TdTA = –40°C–1A = –40°CN (TTA = +25°CN (A = +25°CAI –2TAITA = +105°C–2A = +105°CGGPP–3–3-LOO-LOOD –4D –4EE–5LOS–5LOSCC–6–6–7 009 –7 012 –8 07957- –8 07957- 11010010001101001000FREQUENCY (MHz)FREQUENCY (MHz) Figure 9. Small-Signal Frequency Response for Various Temperatures Figure 12. Large-Signal Frequency Response for Various Temperatures Rev. B | Page 9 of 26 Document Outline Features Applications General Description Functional Block Diagrams Table of Contents Revision History Specifications ±5 V Operation Differential Inputs to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance 5 V Operation Differential Inputs to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Terminology Theory of Operation Applications Information Analyzing an Application Circuit Selecting the Closed-Loop Gain Estimating the Output Noise Voltage Calculating the Input Impedance for an Application Circuit Terminating a Single-Ended Input Input Common-Mode Voltage Range Input and Output Capacitive AC Coupling Input Signal Swing Considerations Setting the Output Common-Mode Voltage Layout, Grounding, and Bypassing High Performance ADC Driving Outline Dimensions Ordering Guide