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參數資料
| 型號： | AN221E04-QFPTR |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dynamically Reconfigurable FPAA With Enhanced I/O |
| 中文描述： | 動態(tài)可重構FPAA的具有增強的I / O |
| 文件頁數： | 10/21頁 |
| 文件大小： | 448K |
| 代理商： | AN221E04-QFPTR |
AN221E04 Datasheet – Dynamically Reconfigurable FPAA With Enhanced I/O
Analog Outputs
(See “Output Cell” section in the AN120E04/AN220E04 user manual for more details)
Parameter
Symbol
Min
Typ
High Precision Output Range
c
Vouta
0.5
Standard Precision Output
Range
High Precision
Differential Output
c
Standard precision
Differential Output
Common Mode
Voltage
DS030100-U006a - 10 -
Max
3.5
Unit
V
Comment
VMR +/- 1.5v
VMR +/- 1.9v
-
Vouta
0.1
-
3.9
V
Vdiffouta
-
-
+/-3.0
V
Common mode voltage = 2 V
Vdiffouta
-
-
+/-3.8
V
Common mode voltage = 2 V
Vcm
1.9
2.0
2.1
V
c
. High precision operating range provides optimal linearity and dynamic range.
d
. Standard precision operating range provides maximum dynamic range and reduced linearity.
Output Voltage mode and filter ON, corner frequency 470KHz
Parameter
Symbol
Min
Typ
Max
Unit
V
Comment
Input Range
Vina
Vdiffina
Vos
See analog input above
Equivalent Input Offset
-
5
15
mV
from -40°C to 125°C
I
measured at filter corner: 470Khz
II
maximum at filter corner: 76KHz
Output filter frequency will define
the maximum frequency
Input filter is recommended to be
>30x higher then the max input
frequency, for good distortion
performance
d.c.
a.c. See graphical data on page 19
4v p-p Differential input at 660Hz
Filter corner frequency 470KHz
Offset Voltage Temperature
Coefficient
Voffsettc
0.05
I
1.0
II
mV/°C
Output Frequency
Faout
-
-
-
MHz
Power Supply Rejection Ratio
PSRR
60
-
-
dB
Large Signal Harmonic Distortion
Dist
-
-82
-
dB
Input Low Pass Filter (Anti-Alias)
Corner Frequency Settings
Output Load
Output Load
c e
Output Load
d e
Ffiltcorner
76
-
470
KHz
Rload
Cload
0.1
-
-
-
-
Mohm
pF
Additional loading causes internal
voltage drops across output stage
and series resistances
The output stage has a small
signal output impedance of approx
10ohm
Output 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 diff
See graphical data on page 18
50
Rload
1
10
-
Kohm
Output Load
d e
Common Mode Rejection Ratio
Cload
-
-
100
pF
CMRR
-
56
-
dB
Input Referred Noise Figure
NF
-
0.22
-
μV/sqrtHz
Signal-To Noise Ratio and
Distortion
SINAD
-
82
-
dB
Spurious Free Dynamic Range
SFDR
-
90
-
dB
c
. High precision operating range provides optimal linearity and dynamic range.
d
. Standard precision operating range provides maximum dynamic range and reduced linearity.
e
. The maximum load for an analog output is 50 pF // 100 Kohms. This load maybe with respect to analog ground VMR or AVSS.
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