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參數資料
| 型號： | AN221E04-QFPTY |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dynamically Reconfigurable FPAA With Enhanced I/O |
| 中文描述： | 動態可重構FPAA的具有增強的I / O |
| 文件頁數： | 13/21頁 |
| 文件大小： | 448K |
| 代理商： | AN221E04-QFPTY |
AN221E04 Datasheet – Dynamically Reconfigurable FPAA With Enhanced I/O
Signal-To Noise Ratio and
Distortion
DS030100-U006a - 13 -
SINAD
-
80
-
dB
Input signal=1400 mV p-p
differential
Audio frequency range
Example.
GainInv CAM
CAM clock = 1MHz
Gain = 1
Input signal=1400 mV p-p
differential,
Audio frequency range
Example.
GainInv CAM
CAM clock = 1MHz
Gain = 1
Spurious Free Dynamic Range
g
SFDR
-
92
-
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 may be with respect to analog ground VMR or AVSS.
f
. Using the FPAA with CAB Op Amp’s driving directly off-chip, requires care, full characterization of the performance of each application
circuit by the circuit designer is necessary.
g
. This specification parameter can only be characterized when a circuit topology is configured onto the CAB differential amplifier architecture.
The figure provided here is an representative on the performance of one specific CAM, as specified in the comments.
The idealized open loop gain plot is provided for
information only. This information is associated with the
FPAA in full power mode of operation. The FPAA
operation amplifier open loop gain cannot be observed
nor used when associated with external connections to
the device. Internal reprogrammable routing impedances
and switched capacitor circuit architecture using this
operational amplifier limit the effective usable bandwidth
of a circuit realized in the FPAA to less than 2MHz.
Idealized CAB Op Amp, Open Loop Gain [dB]
-20
-10
0
10
20
30
40
50
60
70
80
90
0.1
10
1000
100000
Frequency (KHz)
O
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