Datasheet

ADA4861-3
Rev. A | Page 3 of 16
SPECIFICATIONS
V
S
= +5 V (@ T
A
= 25°C, G = +2, R
L
= 150 Ω, C
L
= 4 pF, unless otherwise noted); for G = +2, R
F
= R
G
= 301 Ω; and for G = +1, R
F
= 499 Ω.
Table 1.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
–3 dB Bandwidth V
O
= 0.2 V p-p 350 MHz
V
O
= 2 V p-p 145 MHz
G = +1, V
O
= 0.2 V p-p 560 MHz
Bandwidth for 0.1 dB Flatness V
O
= 2 V p-p 85 MHz
+Slew Rate (Rising Edge) V
O
= 2 V p-p 590 V/μs
−Slew Rate (Falling Edge) V
O
= 2 V p-p 480 V/μs
Settling Time to 0.5% (Rise/Fall) V
O
= 2 V step 12/13 ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion HD2/HD3 f
C
= 1 MHz, V
O
= 2 V p-p −81/−89 dBc
Harmonic Distortion HD2/HD3 f
C
= 5 MHz, V
O
= 2 V p-p −69/−76 dBc
Input Voltage Noise f = 100 kHz 3.8 nV/√Hz
Input Current Noise f = 100 kHz, +IN/−IN 1.7/5.5 pA/√Hz
Differential Gain 0.02 %
Differential Phase 0.03 Degrees
All-Hostile Crosstalk
Amplifier 1 and Amplifier 2 driven,
Amplifier 3 output measured, f = 1 MHz
−65 dB
DC PERFORMANCE
Input Offset Voltage −13 −0.9 +13 mV
+Input Bias Current −2 −0.8 +1 μA
−Input Bias Current −8 +2.3 +13 μA
Open-Loop Transresistance 400 620 kΩ
INPUT CHARACTERISTICS
Input Resistance +IN 14 MΩ
−IN 85 Ω
Input Capacitance +IN 1.5 pF
Input Common-Mode Voltage Range G = +1 1.2 to 3.8 V
Common-Mode Rejection Ratio V
CM
= 2 V to 3 V −54 −56.5 dB
POWER-DOWN PINS
Input Voltage Enabled 0.6 V
Power down 1.8 V
Bias Current Enabled −3 μA
Power down 115 μA
Turn-On Time 200 ns
Turn-Off Time 3.5 μs
OUTPUT CHARACTERISTICS
Output Overdrive Recovery Time (Rise/Fall) V
IN
= +2.25 V to −0.25 V 55/100 ns
Output Voltage Swing R
L
= 150 Ω 1.2 to 3.8 1.1 to 3.9 V
R
L
= 1 kΩ 0.9 to 4.1 0.85 to 4.15 V
Short-Circuit Current Sinking and sourcing 65 mA
POWER SUPPLY
Operating Range 5 12 V
Total Quiescent Current Enabled 12.5 16.1 18.5 mA
Quiescent Current/Amplifier POWER DOWN pins = +V
S
0.2 0.33 mA
Power Supply Rejection Ratio
+PSR +V
S
= 4 V to 6 V, −V
S
= 0 V −60 −64 dB