Datasheet

Data Sheet ADA4895-1/ADA4895-2
Rev. A | Page 5 of 24
Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY
Operating Range 3 to 10 V
Quiescent Current per Amplifier 2.6 2.8 3 mA
DISABLEx
= −2.5 V 0.05 mA
Positive Power Supply Rejection +V
S
= 2 V to 3 V, −V
S
= −2.5 V −98 −137 dB
Negative Power Supply Rejection +V
S
= 2.5 V, −V
S
= −3 V to −2 V −98 −141 dB
DISABLEx
PIN
DISABLEx
Voltage
Device enabled
>+V
S
− 0.5
V
Device disabled <+V
S
− 2 V
Input Current per Amplifier
Device Enabled
DISABLEx
= +2.5 V −1.1 µA
Device Disabled
DISABLEx
= −2.5 V −20 µA
Switching Speed
Device Enabled 0.25 µs
Device Disabled 6 µs
±1.5 V (OR +3 V) SUPPLY
T
A
= 25°C, G = +10, R
F
= 249 Ω, R
L
= 1 kΩ to midsupply, unless otherwise noted.
Table 4.
Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth V
OUT
= 0.2 V p-p 205 MHz
V
OUT
= 1 V p-p 131 MHz
V
OUT
= 0.2 V p-p, G = +20, R
F
= 1 kΩ 111 MHz
Bandwidth for 0.1 dB Flatness V
OUT
= 2 V p-p, R
L
= 100 Ω 7.5 MHz
Slew Rate
V
OUT
= 1 V step
384
V/µs
Settling Time to 0.1% V
OUT
= 2 V step 20 ns
NOISE/HARMONIC PERFORMANCE
Harmonic Distortion (SFDR) f
C
= 100 kHz, V
OUT
= 2 V p-p −92 dBc
f
C
= 1 MHz, V
OUT
= 2 V p-p −73 dBc
f
C
= 2 MHz, V
OUT
= 2 V p-p −67 dBc
f
C
= 5 MHz, V
OUT
= 2 V p-p −59 dBc
Input Voltage Noise f = 10 Hz, G = +25.9 1.9 nV/√Hz
f = 100 kHz, G = +25.9 1 nV/√Hz
Input Current Noise f = 10 Hz, R
F
= 10 kΩ, R
G
= 1.1 kΩ, R
S
= 1 kΩ 14 pA/√Hz
f = 100 kHz, R
F
= 10 kΩ, R
G
= 1.1 kΩ, R
S
= 1 kΩ 1.7 pA/√Hz
0.1 Hz to 10 Hz Noise G = +101, R
F
= 1 kΩ, R
G
= 10 Ω 99 nV p-p
DC PERFORMANCE
Input Offset Voltage −350 +55 +350 µV
Input Offset Voltage Drift 0.15 µV/°C
Input Bias Current −16 −11 −6 µA
Input Bias Current Drift 1.2 nA/°C
Input Bias Offset Current −0.6 −0.02 +0.6 µA
Open-Loop Gain V
OUT
= −1 V to +1 V 95 106 dB
INPUT CHARACTERISTICS
Input Resistance Common mode/differential mode 10 M/10 k Ω
Input Capacitance Common mode/differential mode 3/11 pF
Input Common-Mode Voltage Range −1.4 to +0.6 V
Common-Mode Rejection V
CM
= −0.4 V to +0.4 V −93 −110 dB