CS5463
VOLTAGE REFERENCE
Parameter
Symbol
Min
Typ
Max
Unit
Reference Output
Output Voltage
VREFOUT
+2.4
-
+2.5
25
+2.6
60
V
Temperature Coefficient
(Note 8) TC
ppm/°C
VREF
Load Regulation
(Note 9)
∆V
-
6
10
mV
R
Reference Input
Input Voltage Range
Input Capacitance
Input CVF Current
VREFIN
+2.4
+2.5
4
+2.6
V
-
-
-
-
pF
nA
25
Notes: 8. The voltage at VREFOUT is measured across the temperature range. From these measurements the
following formula is used to calculate the VREFOUT Temperature Coefficient:.
(
(
(
1.0 x 106
(VREFOUTMAX - VREFOUTMIN)
VREFOUTAVG
1
TCVREF
=
(
(
(
TAMAX - TAMIN
9. Specified at maximum recommended output of 1 µA, source or sink.
DIGITAL CHARACTERISTICS
•
•
•
•
Min / Max characteristics and specifications are guaranteed over all Operating Conditions.
Typical characteristics and specifications are measured at nominal supply voltages and TA = 25 °C.
VA+ = VD+ = 5V ±5%; AGND = DGND = 0 V. All voltages with respect to 0 V.
MCLK = 4.096 MHz.
Parameter
Master Clock Characteristics
Symbol
Min
Typ
Max
Unit
Master Clock Frequency Internal Gate Oscillator (Note 11) MCLK
Master Clock Duty Cycle
2.5
40
40
4.096
20
60
60
MHz
%
-
-
CPUCLK Duty Cycle
(Note 12 and 13)
%
Filter Characteristics
Phase Compensation Range
Input Sampling Rate
(Voltage Channel, 60 Hz)
DCLK = MCLK/K
-2.8
-
+2.8
°
Hz
-
-
DCLK/8
-
Digital Filter Output Word Rate
High-pass Filter Corner Frequency
(Both Channels) OWR
-3 dB
DCLK/1024
-
-
Hz
-
0.5
-
Hz
Full-scale DC Calibration Range (Referred to Input) (Note 14) FSCR
25
100
%F.S.
µs
Channel-to-channel Time-shift Error
Input/Output Characteristics
High-level Input Voltage
(Note 15)
1.0
V
IH
All Pins Except XIN and SCLK and RESET
0.6 VD+
(VD+) - 0.5
0.8 VD+
-
-
-
-
-
-
V
V
V
XIN
SCLK and RESET
Low-level Input Voltage (VD = 5 V)
V
IL
All Pins Except XIN and SCLK and RESET
-
-
-
-
-
-
0.8
1.5
0.2 VD+
V
V
V
XIN
SCLK and RESET
DS678PP1
9
CIRRUS [ CIRRUS LOGIC ]
