AN221E04 Datasheet – Dynamically Reconfigurable FPAA With Enhanced I/O
DS030100-U006a
- 9 -
Common Mode Rejection Ration
CMRR
-
60
-
dB
Power Supply Rejection Ratio
PSRR
68
-
-
dB
d.c.
a.c. See graphical data on page 19
Large Signal Harmonic Distortion
Dist
-
-82
-
dB
4v p-p Differential input at 660Hz
Filter corner frequency 470KHz
Input Low Pass Filter (Anti-Alias)
Corner Frequency Settings
Ffiltcorner
76
-
470
KHz
Input Resistance
Rin
10
-
-
Mohm
Input to filter or chopper
Input Capacitance
Cin
-
5.0
pF
Input Referred Noise Figure
NF
-
0.17
-
µV/sqrtHz
Input cell filter corner Fc = 470KHz
Applies to Audio frequency range
See graphical data on page 18
Signal-To Noise Ratio and
Distortion
SINAD
-
84
-
dB
Input signal = 1400 mV p-p diff,
Audio frequency range
See graphical data on page 18
Spurious Free Dynamic Range
SFDR
-
90
-
dB
Input signal =1400 mV p-p differential
See graphical data on page 18
Input Differential Voltage mode, Amplifier OFF, Filter OFF and Unity Gain stage ON
Parameter
Symbol
Min
Typ
Max
Unit
Comment
Input Range
Vina
Vdiffina
See analog input above
V
Equivalent Input Offset
Vos
-
5
15
mV
Non-chopper stabilized input
Offset Voltage Temperature
Coefficient
Voffsettc
-
20
50
µV/°C
from -40°C to 125°C
Input Frequency
Fain
-
-
1.0
MHz
Gain Bandwidth limited by input
impedance
Power Supply Rejection Ratio
PSRR
60
-
-
dB
d.c.
a.c. See graphs on page 18
Common Mode Rejection Ratio
CMRR
-
60
-
dB
Large Signal Harmonic Distortion
Dist
-
-80
-
dB
4v p-p Differential input at 660Hz
Large Signal Harmonic Distortion
Dist
-
-80
-
dB
3v p-p single ended signal at 660Hz
Input Resistance
Rin
-
126
-
Kohm
Input to unity gain stage
Input Capacitance
Cin
-
2.0
5.0
pF
Input Referred Noise Figure
NF
-
0.16
-
µV/sqrtHz
Applies to Audio frequency range
See graphical data on page 18
Signal-To Noise Ratio and
Distortion
SINAD
-
84
-
dB
Input signal = 1400 mV p-p diff,
Audio frequency range
See graphical data on page 18
Spurious Free Dynamic Range
SFDR
-
90
-
dB
Input signal =1400 mV p-p differential
See graphical data on page 18
Input Differential Voltage mode, Amplifier OFF, Filter OFF and Unity Gain stage OFF
Parameter
Symbol
Min
Typ
Max
Unit
Comment
Input Range
Vina
Vdiffina
See analog input above
V
Equivalent Input Offset
Vos
N/A
N/A
N/A
mV
See CAM Op Amp
Offset Voltage Temperature
Coefficient
Voffsettc
N/A
N/A
N/A
µV/°C
See CAM Op Amp.
from -40°C to 125°C
Input Frequency
Fain
-
-
8
MHz
Dependant upon CAM
Power Supply Rejection Ratio
PSRR
N/A
N/A
N/A
dB
See CAM Op Amp
Large Signal Harmonic Distortion
Dist
-
-85
-
dB
See CAM Op Amp
Input Resistance
Rin
-
-
-
Mohm
Input to CAM directly (Input cell
bypass mode). This variable is
influenced by CAB capacitor size,
CAB clock frequency and CAB
architecture
Input Capacitance
Cin
-
-
-
pF
Input to CAM directly (Input cell
bypass mode)
This variable is influenced by CAB
capacitor size, CAB clock frequency
and CAB architecture
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