Datasheet

ADA4859-3 Data Sheet
Rev. A | Page 4 of 16
T
A
= 25°C, V
S
= 3.3 V, G = 2, R
F
= 550 Ω, R
L
= 150 Ω, unless otherwise noted.
Table 2.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth V
OUT
= 0.1 V p-p 260 MHz
V
OUT
= 2 V p-p 165 MHz
Bandwidth for 0.1 dB Flatness
V
OUT
= 2 V p-p, C
L
= 6 pF
65
MHz
Slew Rate V
OUT
= 2 V step, R
L
= 150 Ω 530 V/µs
Settling Time to 0.1% V
OUT
= 2 V step 20 ns
NOISE/DISTORTION PERFORMANCE
Total Harmonic Distortion f
C
= 1 MHz, V
O
= 2 V p-p −84/−86 dBc
f
C
= 5 MHz, V
O
= 2 V p-p −73/−77 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 0.02 %
Differential Phase Error 0.03 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 −0.9 +2.2 V
OUTPUT CHARACTERISTICS
Output Voltage Swing −0.7 to +2.1 −1 to +2.3 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
18
mA
POWER-DOWN
Input Voltage
Enabled
1.25
V
Powered down
1.35
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 14 17 20 mA
Charge Pump 19 mA
Total Quiescent Current When Powered Down
Amplifier 0.15 0.25 0.3 mA
Charge Pump 2 mA
Positive Power Supply Rejection Ratio Referred to output −54 −50 dB
Negative Power Supply Rejection Ratio
Referred to output
−50
−47
dB
Charge Pump Output Voltage
−2.1
−2
−1.8
V
Charge Pump Sink Current 45 mA