Datasheet

Data Sheet ADA4859-3
Rev. A | Page 3 of 16
SPECIFICATIONS
T
A
= 25°C, V
S
= 5 V, G = 2, R
F
= 550 Ω, R
L
= 150 Ω, unless otherwise noted.
Table 1.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth V
OUT
= 0.1 V p-p 265 MHz
V
OUT
= 2 V p-p 195 MHz
Bandwidth for 0.1 dB Flatness V
OUT
= 2 V p-p, C
L
= 6 pF 60 MHz
Slew Rate V
OUT
= 2 V step 740 V/µs
Settling Time to 0.1% V
OUT
= 2 V step 20 ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion (HD2/HD3) f
C
= 1 MHz, V
O
= 2 V p-p −84/−93 dBc
f
C
= 5 MHz, V
O
= 2 V p-p −70/−83 dBc
Crosstalk f = 5 MHz −80 dBc
Total Output Noise f = 1 MHz 17 nV/√Hz
Input Current Noise f = 1 MHz 2 pA/√Hz
Differential Gain Error 0.01 %
Differential Phase Error 0.02 Degrees
DC PERFORMANCE
Output Offset Voltage −25 +9 +25 mV
+Input Bias Current −2 +0.7 +2 µA
Closed-Loop Gain
1.9
2
2.1
V/V
INPUT CHARACTERISTICS
Input Resistance +IN 15 MΩ
Input Capacitance +IN 1.5 pF
Input Common-Mode Voltage Range −1.8 +3.8 V
OUTPUT CHARACTERISTICS
Output Voltage Swing
−1.4 to +3.6
−1.7 to +3.8
V
Output Overdrive Recovery Time Rise/fall, f = 5 MHz 15 ns
Maximum Linear Output Current @ V
O
= 1 V
PEAK
f
C
= 1 MHz, HD2 ≤ −50 dBc 19 mA
POWER-DOWN
Input Voltage Enabled 1.9 V
Powered down 2 V
Bias Current −0.1 +0.1 µA
Turn-On Time 0.5 µs
Turn-Off Time 2 µs
POWER SUPPLY
Operating Range 3 5.5 V
Total Quiescent Current
Amplifier 15 17 21 mA
Charge Pump 21 mA
Total Quiescent Current When Powered Down
Amplifier 0.15 0.25 0.3 mA
Charge Pump 4 mA
Positive Power Supply Rejection Ratio Referred to output −55 −50 dB
Negative Power Supply Rejection Ratio Referred to output −51 −47 dB
Charge Pump Output Voltage −3.2 −3 −2.5 V
Charge Pump Sink Current 150 mA