Datasheet

AD8273
Rev. B | Page 3 of 16
SPECIFICATIONS
V
S
= ±15 V, V
REF
= 0 V, T
A
= 25°C, G = ½, R
L
= 2 kΩ, unless otherwise noted.
Table 2.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
Bandwidth 20 MHz
Slew Rate 20 V/μs
Settling Time to 0.1% 10 V step on output, C
L
= 100 pF 670 750 ns
Settling Time to 0.01% 10 V step on output, C
L
= 100 pF 750 800 ns
Channel Separation f = 1 kHz 130 dB
NOISE/DISTORTION
1
THD + Noise (THD + N) f = 1 kHz, V
OUT
= 10 V p-p, 600 Ω load 0.00025 %
Noise Floor, RTO
2
20 kHz BW −106 dBu
Output Voltage Noise (Referred to Output) f = 20 Hz to 20 kHz 3.5 μV rms
f = 1 kHz 26 nV/√Hz
GAIN
Gain Error 0.05 %
Gain Drift −40°C to +85°C 2 10 ppm/°C
Gain Nonlinearity V
OUT
= 10 V p-p, 600 Ω load 2 ppm
INPUT CHARACTERISTICS
Offset
3
Referred to output 100 700 μV
vs. Temperature −40°C to +85°C 3 μV/°C
vs. Power Supply V
S
= ±2.5 V to ±18 V 2 5 μV/V
Common-Mode Rejection Ratio V
CM
= ±40 V, R
S
= 0 Ω, referred to input 77 86 dB
Input Voltage Range
4
−3V
S
+ 4.5 +3V
S
− 4.5 V
Impedance
5
Differential V
CM
= 0 V 36 kΩ
Common Mode
6
9 kΩ
OUTPUT CHARACTERISTICS
Output Swing −V
S
+ 1.5 +V
S
− 1.5 V
Short-Circuit Current Limit Sourcing 100 mA
Sinking 60 mA
Capacitive Load Drive G = ½ 200 pF
G = 2 1200 pF
POWER SUPPLY
Supply Current (per Amplifier) 2.5 mA
TEMPERATURE RANGE
Specified Performance −40 +85 °C
1
Includes amplifier voltage and current noise, as well as noise of internal resistors.
2
dBu = 20 log (V rms/0.7746).
3
Includes input bias and offset current errors.
4
May also be limited by absolute maximum input voltage or by the output swing. See the A section and Fig through for
details.
bsolute Maximum Ratings ure 9 Figure 12
5
Internal resistors are trimmed to be ratio matched but have ±20% absolute accuracy.
6
Common mode is calculated looking into both inputs. Common-mode impedance looking into only one input is 18 kΩ.