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CS5373A Datasheet(PDF) 4 Page - Cirrus Logic

No. de Pieza. CS5373A
Descripción  Low-power, High-performance Modulator and Test DAC
Descarga  40 Pages
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Fabricante  CIRRUS [Cirrus Logic]
Página de inicio  http://www.cirrus.com
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CS5373A Datasheet(HTML) 4 Page - Cirrus Logic

 
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CS5373A
4
DS703F1
1.
CHARACTERISTICS AND SPECIFICATIONS
Min / Max characteristics and specifications are guaranteed over the Specified Operating Conditions.
Typical performance characteristics and specifications are measured at nominal supply voltages and TA = 25°C.
GND = 0 V. Single-ended voltages with respect to GND, differential voltages with respect to opposite half.
Device is connected as shown in Figure 8 on page 20 unless otherwise noted.
SPECIFIED OPERATING CONDITIONS
Notes: 1. VA- must always be the most-negative input voltage to avoid potential SCR latch-up conditions.
2. By design, a 2.500 V voltage reference input results in the best signal-to-noise performance.
3. Full-scale accuracy is directly proportional to the voltage reference absolute accuracy.
4. VREF inputs must satisfy: VA- < VREF- < VREF+ < VA+.
Parameter
Symbol
Min
Nom
Max
Unit
Bipolar Power Supplies
Positive Analog
± 2%
VA+
2.45
2.50
2.55
V
Negative Analog
(Note 1)
± 2%
VA-
-2.45
-2.50
-2.55
V
Positive Digital
± 3%
VD
3.20
3.30
3.40
V
Voltage Reference
{VREF+} - {VREF-}
(Note 2, 3)
VREF
-
2.500
-
V
VREF-
(Note 4)VREF-
-
VA -
-
V
Thermal
Ambient Operating Temperature
Industrial (-ISZ)
TA
-40
25
85
°C
Modes of Operation
Selection
MODE
[2:0]
Mode Description
0
000
Modulator: enabled.
DAC: sleep.
1
001
Modulator: enabled.
DAC: AC OUT and BUF outputs.
2
010
Modulator: enabled.
DAC: AC OUT only, BUF high-z.
30 1 1
Modulator: enabled.
DAC: AC BUF only, OUT high-z.
4
100
Modulator: enabled.
DAC: DC common mode output.
5
101
Modulator: enabled.
DAC: DC differential output.
61 1 0
Modulator: enabled.
DAC: AC common mode output.
71 1 1
Modulator: sleep.
DAC: sleep.
DAC Attenuation
Selection
ATT[2:0]
Attenuation
dB
0
000
1/1
0 dB
1
0 0 1
1/2
-6.02 dB
2
0 1 0
1/4
-12.04 dB
3
0 1 1
1/8
-18.06 dB
4
1 0 0
1/16
-24.08 dB
5
1 0 1
1/32
-30.10 dB
6
1 1 0
1/64
-36.12 dB
7
1 1 1
reserved
reserved
Table 1. Selections for Operational Mode and DAC Attenuation


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