cs5373a Cirrus Logic, Inc., cs5373a Datasheet - Page 4

• Manufacturer Part Number: cs5373a
• Description: Low-power, High-performance ?? Modulator And Test Dac
• Manufacturer: Cirrus Logic, Inc.

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