link to page 16 Data SheetAD8138TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise noted, Gain = 1, RG = RF = RL, dm = 499 V, TA = 25°C; refer to Figure 39 for test setup. 66VVIN = 0.2V p-pIN = 2V p-pCCF = 0pFF = 0pF33VVS = +5VS = +5V00B)B)ddN (VS = ±5VN (VAIAIS = ±5VG–3G–3–6–6–9–91101001000 005 1101001000 008 FREQUENCY (MHz)FREQUENCY (MHz) 01073- 01073- Figure 5. Small Signal Frequency Response Figure 8. Large Signal Frequency Response 66VS = ±5VVIN = 2V p-pVIN = 0.2V p-pVS = ±5V33CF = 0pFCF = 0pF00B)B)ddN (CN (AIF = 1pFAICF = 1pFGG–3–3–6–6–9–91101001000 006 1101001000 009 FREQUENCY (MHz)FREQUENCY (MHz) 01073- 01073- Figure 6. Small Signal Frequency Response Figure 9. Large Signal Frequency Response 0.530VVS = ±5VS = ±5VVCF = 0pFIN = 0.2V p-pVOUT, dm = 0.2V p-p0.3RG = 499ΩCG = 10, RF = 0pF20F = 4.99kΩG = 5, RF = 2.49kΩ0.1B)B)ddN (N (10AIAIG = 2, RGF = 1kΩ–0.1GCF = 1pFG = 1, RF = 499Ω0–0.3–0.5–10110100 007 1101001000 010 FREQUENCY (MHz)FREQUENCY (MHz) 01073- 01073- Figure 7. 0.1 dB Flatness vs. Frequency Figure 10. Small Signal Frequency Response for Various Gains Rev. G | Page 9 of 24 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±DIN TO ±OUT SPECIFICATIONS VOCM TO ±OUT SPECIFICATIONS ±DIN TO ±OUT SPECIFICATIONS VOCM TO ±OUT SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS OPERATIONAL DESCRIPTION DEFINITION OF TERMS THEORY OF OPERATION ANALYZING AN APPLICATION CIRCUIT SETTING THE CLOSED-LOOP GAIN ESTIMATING THE OUTPUT NOISE VOLTAGE THE IMPACT OF MISMATCHES IN THE FEEDBACK NETWORKS CALCULATING THE INPUT IMPEDANCE OF AN APPLICATION INPUT COMMON-MODE VOLTAGE RANGE IN SINGLE-SUPPLY APPLICATIONS SETTING THE OUTPUT COMMON-MODE VOLTAGE DRIVING A CAPACITIVE LOAD LAYOUT, GROUNDING, AND BYPASSING BALANCED TRANSFORMER DRIVER HIGH PERFORMANCE ADC DRIVING 3 V OPERATION OUTLINE DIMENSIONS ORDERING GUIDE