Datasheet

ADA4850-1/ADA4850-2 Data Sheet
Rev. C | Page 4 of 16
SPECIFICATIONS WITH +5 V SUPPLY
T
A
= 25°C, R
F
= 0 Ω for G = +1, R
F
= 1 kΩ for G > +1, R
L
= 1 kΩ, unless otherwise noted.
Table 2.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth G = +1, V
O
= 0.1 V p-p 175 MHz
G = +1, V
O
= 0.5 V p-p 110 MHz
Bandwidth for 0.1 dB Flatness G = +2, V
O
= 1.4 V p-p, R
L
= 150 Ω 9 MHz
Slew Rate G = +2, V
O
= 4 V step 220 V/µs
G = +2, V
O
= 2 V step 160 V/µs
Settling Time to 0.1% G = +2, V
O
= 1 V step, R
L
= 150 Ω 85 ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion (dBc) HD2/HD3
f
C
= 1 MHz, V
O
= 2 V p-p, G = +2, R
L
= 150 Ω
−81/−86
dBc
Input Voltage Noise f = 100 kHz 10 nV/√Hz
Input Current Noise f = 100 kHz 2.5 pA/√Hz
Differential Gain G = +3, NTSC, R
L
= 150 Ω 0.12 %
Differential Phase G = +3, NTSC, R
L
= 150 Ω 0.09 Degrees
Crosstalk (RTI)–ADA4850-2 f = 4.5 MHz, R
L
= 150 Ω, V
O
= 2 V p-p 60 dB
DC PERFORMANCE
Input Offset Voltage 0.6 4.2 mV
Input Offset Voltage Drift 4 µV/°C
Input Bias Current 2.3 4.2 µA
Input Bias Current Drift 4 nA/°C
Input Bias Offset Current 30 nA
Open-Loop Gain V
O
= 2.25 V to 2.75 V 83 105 dB
INPUT CHARACTERISTICS
Input Resistance Differential/common-mode 0.5/5.0 MΩ
Input Capacitance 1.2 pF
Input Common-Mode Voltage Range −0.2 to +2.8 V
Input Overdrive Recovery Time (Rise/Fall) V
IN
= +5.5 V to −0.5 V, G = +1 50/40 ns
Common-Mode Rejection Ratio V
CM
= 2.0 V −85 −110 dB
POWER-DOWN
Power-Down Input Voltage Power-down ADA4850-1/ADA4850-2 <0.7/<0.6 V
Enabled ADA4850-1/ADA4850-2 >0.8/>1.7 V
Turn-Off Time 0.7 µs
Turn-On Time 50 ns
Power-Down Bias Current/Power Down Pin
Enabled
Power-down = 5 V
0.05
0.13
mA
Power-Down Power-down = 0 V 0.02 0.2 µA
OUTPUT CHARACTERISTICS
Output Overdrive Recovery Time (Rise/Fall) V
IN
= +1.1 V to −0.1 V, G = +5 60/70 ns
Output Voltage Swing 0.14 to 4.83 0.07 to 4.92 V
Short-Circuit Current Sinking/sourcing 118/94 mA
POWER SUPPLY
Operating Range
1
2.7 6 V
Quiescent Current/Amplifier 2.5 2.9 mA
Quiescent Current (Power-Down)/Amplifier 15 150 nA
Positive Power Supply Rejection +V
S
= +5 V to +6 V, −V
S
= 0 V −84 −100 dB
Negative Power Supply Rejection
+V
S
= +5 V, −V
S
= −0 V to −1 V
−84
−102
dB
1
For operation on bipolar supplies, see the Operating the ADA4850-1/ADA4850-2 on Bipolar Supplies section.