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