cs5373a Cirrus Logic, Inc., cs5373a Datasheet - Page 6

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

ANALOG INPUT CHARACTERISTICS
Notes: 7. Maximum integrated noise over the measurement bandwidth for the voltage reference device attached
6
VREF Input
{VREF+} - {VREF-}
VREF-
VREF Input Current, Modulator Only
VREF Input Current, Modulator + DAC AC Mode
VREF Input Current, Modulator + DAC DC Mode
VREF Input Noise
Modulator INR±
External Anti-alias Filter
(Note
Differential Input Impedance
Single-ended Input Impedance
DAC CAP± Input
External Anti-alias Filter
(Note
8)
8)
8. Differential anti-alias capacitors are discrete external components and must be of good quality (C0G,
to the VREF
NPO, poly). Poor quality capacitors will degrade total harmonic distortion (THD) performance.
,
INF± Inputs
Parameter
±
inputs.
Differential Capacitance
Differential Capacitance
Series Resistance
(Note 2,
(Note
(Note
INR
INR
INF
INF
3)
4)
7)
±
±
±
±
VREF
VREF
VREF
Symbol
ZDIF
ZDIF
VREF
ZSE
ZSE
VREF-
VREF
R
C
C
AA
AA
AA
IMOD
IMDC
INR
IMAC
INF
INR
INF
IN
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
2.500
VA -
Typ
120
200
160
680
20
20
40
10
1
2
-
Max
1
-
-
-
-
-
-
-
-
-
-
-
-
CS5373A
µV
Unit
MΩ
MΩ
µA
µA
µA
kΩ
kΩ
nF
nF
DS703F1
Ω
V
V
rms