Datasheet

AD8556
Rev. A | Page 5 of 28
Parameter Symbol Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
Gain Bandwidth Product GBP First gain stage, T
A
= 25°C 2 MHz
Second gain stage, T
A
= 25°C 8 MHz
Output buffer stage, T
A
= 25°C 1.5 MHz
Output Buffer Slew Rate SR A
V
= 70, R
L
= 10 kΩ, C
L
= 100 pF, T
A
= 25°C 1.2 V/μs
Settling Time t
s
To 0.1%, A
V
= 70, 4 V output step, T
A
= 25°C 8 μs
NOISE PERFORMANCE
Input Referred Noise T
A
= 25°C, f = 1 kHz 32 nV/√Hz
Low Frequency Noise e
n
p-p f = 0.1 Hz to 10 Hz, T
A
= 25°C 0.5 μV p-p
Total Harmonic Distortion THD
V
IN
= 16.75 mV rms, f = 1 kHz,
A
V
= 100, T
A
= 25°C
−100 dB
DIGITAL INTERFACE
Input Current 2 μA
DIGIN Pulse Width to Load 0 tw
0
T
A
= 25°C 0.05 10 μs
DIGIN Pulse Width to Load 1 tw
1
T
A
= 25°C 50 μs
Time Between Pulses at DIGIN tw
s
T
A
= 25°C 10 μs
DIGIN Low T
A
= 25°C 1 V
DIGIN High T
A
= 25°C 4 V
DIGOUT Logic 0 T
A
= 25°C 1 V
DIGOUT Logic 1 T
A
= 25°C 4 V