Datasheet

Data Sheet AD8476
Rev. B | Page 3 of 24
SPECIFICATIONS
V
S
= +5 to ±5 V, VOCM = midsupply, V
OUT
= V
+OUT
− V
−OUT
, R
L
= 2 kΩ differential, referred to output (RTO), T
A
= 25°C, unless
otherwise noted.
Table 1.
Parameter Test Conditions/Comments
B Grade A Grade
Unit Min Typ Max Min Typ Max
DYNAMIC PERFORMANCE
−3 dB Small Signal Bandwidth V
OUT
= 200 mV p-p 6 6 MHz
−3 dB Large Signal Bandwidth V
OUT
= 2 V p-p 1 1 MHz
Slew Rate V
OUT
= 2 V step 10 10 V/µs
Settling Time to 0.01% V
OUT
= 2 V step 1.0 1.0 µs
Settling Time to 0.001% V
OUT
= 2 V step 1.6 1.6 µs
NOISE/DISTORTION
1
THD + N f = 10 kHz, V
OUT
= 2 V p-p,
22 kHz filter
−102 −102 dB
HD2 f = 10 kHz, V
OUT
= 2 V p-p −126 −126 dB
HD3 f = 10 kHz, V
OUT
= 2 V p-p −128 −128 dB
IMD3
f
1
= 95 kHz, f
2
= 105 kHz,
V
OUT
= 2 V p-p
−82
−82
dBc
Output Voltage Noise f = 0.1 Hz to 10 Hz 6 6 µV p-p
Spectral Noise Density f = 10 kHz 39 39 nV/√Hz
GAIN 1 1 V/V
Gain Error R
L
= ∞ 0.02 0.04 %
Gain Drift −40°C ≤ T
A
≤ +125°C 1 1 ppm/°C
Gain Nonlinearity V
OUT
= 4 V p-p 5 5 ppm
OFFSET AND CMRR
Differential Offset
2
50 200 50 500 µV
vs. Temperature −40°C ≤ T
A
≤ +125°C 900 900 µV
Average TC −40°C ≤ T
A
≤ +125°C 1 4 1 4 µV/°C
vs. Power Supply (PSRR) V
S
= ±2.5 V to ±9 V 90 90 dB
Common-Mode Offset
2
50 50 µV
Common-Mode Rejection
Ratio
V
IN,cm
= ±5 V 90 80 dB
INPUT CHARACTERISTICS
Input Voltage Range
3
Differential input −V
S
+ 0.05 +V
S
− 0.05 −V
S
+ 0.05 +V
S
− 0.05 V
Single-ended input 2(−V
S
+ 0.05) 2(+V − 0.05) 2(−V
S
+ 0.05)
2(+V
S
− 0.05)
V
Impedance
4
V
cm
= V
S
/2
Single-Ended Input 13.3 13.3 kΩ
Differential Input 20 20 kΩ
Common-Mode Input
10
10
kΩ
OUTPUT CHARACTERISTICS
Output Swing V
S
= +5 V −V
S
+ 0.125 +V
S
− 0.14 −V
S
+ 0.125 +V
S
− 0.14
V
S
= ±5 V −V
S
+ 0.155 +V
S
− 0.18 −V
S
+ 0.155 +V
S
− 0.18
Output Balance Error ∆V
OUT,cm
/∆V
OUT,dm
90 80 dB
Output Impedance 0.1 0.1 Ω
Capacitive Load Per output 20 20 pF
Short-Circuit Current Limit 35 35 mA
VOCM CHARACTERISTICS
VOCM Input Voltage Range −V
S
+ 1 +V
S
− 1 −V
S
+ 1 +V
S
− 1 V
VOCM Input Impedance 500 500 kΩ
VOCM Gain Error 0.05 0.05 %