Datasheet

Data Sheet AD8475
Rev. C | Page 3 of 24
SPECIFICATIONS
V
S
= 5 V, G = 0.4, VOCM connected to 2.5 V, R
L
= 1 kΩ differentially, T
A
= 25°C, referred to output (RTO), unless otherwise noted.
Table 1.
B Grade A Grade
Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Small Signal
Bandwidth
150 150 MHz
−3 dB Large Signal
Bandwidth
15 15 MHz
Slew Rate 2 V step 50 50 V/µs
Settling Time to 0.01% 2 V step on output 45 45 ns
Settling Time to 0.001% 2 V step on output 50 50 ns
NOISE/DISTORTION
1
THD + N f = 100 kHz, V
OUT
= 4 V p-p,
22 kHz band-pass filter
−112 −112 dB
HD2 f = 1 MHz, V
OUT
= 2 V p-p −110 −110 dB
HD3 f = 1 MHz, V
OUT
= 2 V p-p −96 −96 dB
IMD3 f
1
= 0.95 MHz, f
2
= 1.05 MHz,
V
OUT
= 2 V p-p
−90 −90 dBc
IMD3 f
1
= 95 kHz, f
2
= 105 kHz,
V
OUT
= 2 V p-p
−84 −84 dBc
Output Voltage Noise f = 0.1 Hz to 10 Hz 2.5 2.5 µV p-p
Spectral Noise Density f = 1 kHz 10 10 nV/√Hz
GAIN 0.4 0.4 V/V
Gain Error R
L
= ∞ 0.02 0.05 %
Gain Drift −40°C ≤ T
A
≤ +85°C 1 3 1 3 ppm/°C
Gain Nonlinearity V
OUT
= 4 V p-p 2.5 2.5 ppm
OFFSET AND CMRR
Offset
2
RTO 50 200 50 500 µV
vs. Temperature −40°C ≤ T
A
≤ +85°C 2.5 2.5 µV/°C
vs. Power Supply V
S
= ±2.5 V to ±5 V 90 90 dB
Common-Mode Rejection
Ratio
V
INcm
= ±5 V 86 76 dB
INPUT CHARACTERISTICS
Input Voltage Range
3
Differential input −6.25 +6.25 −6.25 +6.25 V
Single-ended input −12.5 +12.5 −12.5 +12.5 V
Impedance
4
V
INcm
= V
S
/2
Single-Ended Input 2.92 2.92 kΩ
Differential Input 5 5 kΩ
Common Mode Input
1.75
1.75
kΩ
OUTPUT CHARACTERISTICS
Output Swing −V
S
+
0.05
+V
S
−
0.05
−V
S
+
0.05
+V
S
−
0.05
Output Balance Error ∆V
OUT,cm
/∆V
OUT,dm
–90 −80 dB
Output Impedance 0.1 0.1 Ω
Capacitive Load Per output 30 30 pF
Short-Circuit Current Limit 110 110 mA
VOCM CHARACTERISTICS
VOCM Input Voltage Range −V
S
+ 1 +V
S
−V
S
+ 1 +V
S
V
VOCM Input Impedance 100 100 kΩ
VOCM Gain Error 0.02 0.02 %