Datasheet

ADA4895-1/ADA4895-2 Data Sheet
Rev. A | Page 4 of 24
Parameter Test Conditions/Comments Min Typ Max Unit
DISABLEx
PIN
DISABLEx
Voltage Device enabled >+V
S
− 0.5 V
Device disabled <+V
S
− 2 V
Input Current per Amplifier
Device Enabled
DISABLEx
= +5 V
−1.1
µA
Device Disabled
DISABLEx
= −5 V −40 µA
Switching Speed
Device Enabled 0.25 µs
Device Disabled 6 µs
±2.5 V (OR +5 V) SUPPLY
T
A
= 25°C, G = +10, R
F
= 249 Ω, R
L
= 1 kΩ to midsupply, unless otherwise noted.
Table 3.
Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth V
OUT
= 0.2 V p-p 216 MHz
V
OUT
= 2 V p-p 131 MHz
V
OUT
= 0.2 V p-p, G = +20, R
F
= 1 kΩ 113 MHz
Bandwidth for 0.1 dB Flatness V
OUT
= 2 V p-p, R
L
= 100 Ω 7.9 MHz
Slew Rate V
OUT
= 3 V step 706 V/µs
Settling Time to 0.1% V
OUT
= 2 V step 21 ns
NOISE/HARMONIC PERFORMANCE
Harmonic Distortion (SFDR) f
C
= 100 kHz, V
OUT
= 2 V p-p −94 dBc
f
C
= 1 MHz, V
OUT
= 2 V p-p −75 dBc
f
C
= 2 MHz, V
OUT
= 2 V p-p −69 dBc
f
C
= 5 MHz, V
OUT
= 2 V p-p −61 dBc
Input Voltage Noise f = 10 Hz, G = +25.9 1.8 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 +53 +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
= −2 V to +2 V 97 108 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 −2.4 to +1.6 V
Common-Mode Rejection
V
CM
= −1.5 V to +1.5 V
−98
−110
dB
OUTPUT CHARACTERISTICS
Output Overdrive Recovery Time V
IN
= −0.275 V to +0.275 V 90 ns
Positive Output Voltage Swing R
L
= 1 kΩ 2.35 2.48 V
R
L
= 100 Ω 2.3 2.38 V
Negative Output Voltage Swing R
L
= 1 kΩ −2.35 −2.48 V
R
L
= 100 Ω −2.3 −2.38 V
Linear Output Current SFDR = −45 dBc 64 mA rms
Short-Circuit Current Sinking/sourcing 111/98 mA
Capacitive Load Drive 30% overshoot 6 pF