CS5317 Просмотр технического описания (PDF) - Cirrus Logic
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CS5317 Datasheet PDF : 32 Pages
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CS5317
ANALOG CHARACTERISTICS (TA = TMIN - TMAX; VA+, VD+ = 5V ±10%; VA-, VD- = -5V ±10%;
CLKIN = 4.9152 MHz in CLKOR mode; 1kHz Input Sinewave; with 1.2 kΩ, .01 µF antialiasing filter.)
Parameter*
Min
Typ
Max
Units
Specified Temperature Range
0 to 70
°C
Resolution
Dynamic Performance
16
-
-
Bits
Dynamic Rnage
(Note 1)
78
84
-
dB
Total Harmonic Distortion
72
80
-
dB
Signal to Intermodulation Distorition
dc Accuracy
-
84
-
dB
Differential Nonlinearity
Positive Full-Scale Error
Positive Full-Scale Drift
(Note2)
-
-
-
±0.4
±150
±500
-
LSB
-
mV
-
µV/°C
Bipolar Offset Error
Bipolar Offset Drift
Filter Characteristics
-
±10
-
mV
-
±50
-
µV/°C
Absolute Group Delay
Passband Frequency
(Note 3) 78.125
-
(Note 4)
-
5
-
µs
-
kHz
Input Characteristics
AC Input Impedance
(1kHz)
-
80
-
kΩ
Analog Input Full Scale Signal Level
Power Supplies
±2.75
-
-
V
Power Dissipation
(Note5)
-
220
300
mW
Notes:
1. Measured over the full 0 to 9.6kHz band with a -20dB input and extrapolated to full-scale. Since this
includes energy in the stopband above 5kHz, additional post-filtering at the CS5317’s output can
typically achieve 88dB dynamic range by improving rejection above 5kHz. This can be increased to
90dB by bandlimiting the output to 2.5kHz.
2. No missing codes is guaranteed by design.
3. Group delay is constant with respect to input analog frequency; that is, the digital FIR filter has
linear phase. Group delay is determined by the formula Dgrp = 384/CLKIN in CLKOR mode, or
192/CLKOUT in any mode.
4. The digital filter’s frequency response scales with the master clock. Its -3dB point is determined by
f-3dB = CLKIN/977.3 in CLKOR mode, or CLKOUT/488.65 in any mode.
5. All outputs unloaded. All inputs CMOS levels.
* Refer to the Parameter Definitions section after the Pin Description section.
2
DS27F4
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