CS5462-IS View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
CS5462-IS Datasheet PDF : 18 Pages
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CS5462
ANALOG CHARACTERISTICS (Continued)
Parameter
Symbol Min
Typ
Dynamic Characteristics
High Pass Filter Pole Frequency
-3 dB
-
0.5
Power Supplies
Power Supply Currents
IA+ PSCA
-
1.3
ID+ (VD+ = 5 V) PSCD
-
2.9
ID+ (VD+ = 3.3 V) PSCD
-
1.7
Power Consumption
(Note 3)
(VD+ = 5 V)
PC
-
21
(VD+ = 3.3 V)
-
11.6
Power Supply Rejection Ratio
(50, 60 Hz)
-
(Note 4)
Voltage Channel (Gain = 10) PSRR
48
-
Current Channel (Gain = 10) PSRR
75
-
(Gain = 50) PSRR
56
-
Max Unit
-
Hz
-
mA
-
mA
-
mA
25
mW
-
mW
-
-
dB
-
dB
-
dB
Notes: 3. All outputs unloaded. All inputs CMOS level.
4. Definition for PSRR: VREFIN tied to VREFOUT, VA+ = VD+ = 5 V, a 150 mV zero-to-peak sine wave (frequency
= 60 Hz) is imposed onto the +5 V supply voltage at VA+ and VD+ pins. The “+” and “-” input pins of both input
channels are shorted to VA-. Then the CS5462 is put into an internal test mode and digital output data is collected
for the channel under test. The zero-peak value of the digital sinusoidal output signal is determined, and this value
is converted into the zero-peak value of the sinusoidal voltage that would need to be applied at the channel’s inputs,
in order to cause the same digital sinusoidal output. This voltage is then defined as Veq. PSRR is then (in dB):
PSRR
=
20
⋅
log
-0--.--1---5---0---V---
Veq
VREFOUT REFERENCE OUTPUT VOLTAGE
Parameter
Reference Output
Output Voltage
VREFOUT Temperature Coefficient
Load Regulation (Output Current 1 µA Source or Sink)
Reference Input
Input Voltage Range
Input Capacitance
Input CVF Current
Symbol
REFOUT
TCVREF
∆VR
VREFIN
Min
Typ
Max
Unit
+2.4
+2.6
V
25
60
ppm/°C
6
10
mV
+2.4
+2.5
+2.6
V
-
4
-
pF
-
25
-
nA
Notes: 5. 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 10 6
8
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