CS5463
VOLTAGE REFERENCE
Parameter
Reference Output
Output Voltage
Temperature Coefficient
Load Regulation
Reference Input
Input Voltage Range
Input Capacitance
Input CVF Current
Symbol Min
VREFOUT
(Note 8) TCVREF
(Note 9) ∆VR
+2.4
-
-
VREFIN
+2.4
-
-
Typ
+2.5
25
6
+2.5
4
25
Max Unit
+2.6
60
10
V
ppm/°C
mV
+2.6
V
-
pF
-
nA
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:.
( ( ( TCVREF =
(VREFOUTMAX - VREFOUTMIN)
VREFOUTAVG
1
TAMAX - TAMIN
1.0 x 106
9. Specified at maximum recommended output of 1 µA, source or sink.
DIGITAL CHARACTERISTICS
• Min / Max characteristics and specifications are guaranteed over all Recommended 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
Symbol Min
Typ
Max Unit
Master Clock Characteristics
Master Clock Frequency Internal Gate Oscillator (Note 11) MCLK
2.5
4.096
20 MHz
Master Clock Duty Cycle
40
-
60
%
CPUCLK Duty Cycle
(Note 12 and 13)
40
-
60
%
Filter Characteristics
Phase Compensation Range
(Voltage Channel, 60 Hz)
-2.8
-
+2.8
°
Input Sampling Rate
DCLK = MCLK/K
-
DCLK/8
-
Hz
Digital Filter Output Word Rate
(Both Channels) OWR
-
DCLK/1024 -
Hz
High-pass Filter Corner Frequency
-3 dB
-
0.5
-
Hz
Full-scale DC Calibration Range (Referred to Input) (Note 14) FSCR
25
-
100 %F.S.
Channel-to-channel Time-shift Error
(Note 15)
1.0
µs
Input/Output Characteristics
High-level Input Voltage
VIH
All Pins Except XIN and SCLK and RESET
0.6 VD+
-
XIN
(VD+) - 0.5
-
SCLK and RESET
0.8 VD+
-
-
V
-
V
-
V
Low-level Input Voltage (VD = 5 V)
VIL
All Pins Except XIN and SCLK and RESET
-
XIN
-
SCLK and RESET
-
-
0.8
V
-
1.5
V
-
0.2 VD+ V
DS678F2
9