Datasheet

ADA4858-3 Data Sheet
Rev. B | Page 4 of 20
T
A
= 25°C, V
S
= 3.3 V, G = 2, R
F
= 301 Ω, R
F
= 402 Ω for G = 1, 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, G = 1 540 MHz
V
OUT
= 0.1 V p-p 340 MHz
V
OUT
= 2 V p-p, G = 1
140
MHz
V
OUT
= 2 V p-p 145 MHz
Bandwidth for 0.1 dB Flatness V
OUT
= 2 V p-p 70 MHz
Slew Rate V
OUT
= 2 V step 430 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
OUT
= 2 V p-p −88/−91 dBc
f
C
= 5 MHz, V
OUT
= 2 V p-p −75/−78 dBc
Crosstalk f = 5 MHz −60 dB
Input Voltage Noise f = 1 MHz 4 nV/√Hz
Input Current Noise f = 1 MHz (+IN/−IN) 2/9 pA/√Hz
Differential Gain Error 0.02 %
Differential Phase Error 0.03 Degrees
DC PERFORMANCE
Input Offset Voltage −14 +0.7 +14 mV
+ Input Bias Current −2 +0.6 +2 µA
− Input Bias Current −13 +7 +13 µA
Open-Loop Transimpedance 300 350 kΩ
INPUT CHARACTERISTICS
Input Resistance +IN1/+IN2 15 MΩ
−IN1/−IN2 90 Ω
Input Capacitance +IN1/+IN2 1.5 pF
Input Common-Mode Voltage Range Typical −0.9 +2.2 V
Common-Mode Rejection Ratio −60 −54 dB
OUTPUT CHARACTERISTICS
Output Voltage Swing −0.6 to +2.1 −0.9 to +2.2 V
Output Overdrive Recovery Time Rise/fall, f = 5 MHz 15 ns
Maximum Linear Output Current @ V
OUT
= 1 V
PEAK
f
C
= 1 MHz, HD2 ≤ −50 dBc 20 mA
POWER-DOWN
Input Voltage Enabled 1.25 V
Powered down 1.35 V
Bias Current −0.1 +0.1 µA
Turn-On Time 0.3 µs
Turn-Off Time 1.6 µs
POWER SUPPLY
Operating Range 3 5.5 V
Total Quiescent Current
Amplifiers 14 19 20 mA
Charge Pump
21
mA
Total Quiescent Current When Powered Down
Amplifiers 0.15 0.25 0.3 mA
Charge Pump 2 mA
Positive Power Supply Rejection Ratio −63 −60 dB
Negative Power Supply Rejection Ratio −57 −54 dB
Charge Pump Output Voltage −2.1 −2 −1.8 V
Charge Pump Sink Current 45 mA