Cirrus Logic CS4340 - Manual (Page 13)

CS4340
DS297F3 13
DC ELECTRICAL CHARACTERISTICS
(AGND = 0 V; all voltages with respect to AGND.)
Notes: 8. Normal operation is defined as RST = HI with a 997 Hz, 0 dBFS input sampled at the highest Fs for
each speed mode, and open outputs, unless otherwise specified.
9. Power Down Mode is defined as RST = LO with all clocks and data lines held static.
10. Valid with the recommended capacitor values on FILT+ and VQ as shown in Figure 14. Increasing the
capacitance will also increase the PSRR.
DIGITAL INPUT CHARACTERISTICS
(AGND = 0 V; all voltages with respect to AGND.)
DIGITAL INTERFACE SPECIFICATIONS
(AGND = 0 V; all voltages with respect to AGND.)
Parameters Symbol Min Typ Max Units
Normal Operation (Note 8)
Power Supply Current VA = 5.0 V
VA = 3.0 V I
A
I
A
-
- 15
11
18
14 mA
mA
Power Dissipation VA = 5.0 V
VA = 3.0 V
-
- 75
33 90
42 mW
mW
Power-down Mode (Note 9)
Power Supply Current VA = 5.0 V
VA = 3.0 V
I
A
-
- 60
30 -
- µA
µA
Power Dissipation VA = 5.0 V
VA = 3.0 V
-
- 0.3
0.09
-
- mW
mW
All Modes of Operation
Power Supply Rejection Ratio (Note 10) 1 kHz
60 Hz
PSRR -
- 60
40 -
- dB
dB
V
Q
Nominal Voltage
Output Impedance
Maximum allowable DC current source/sink
-
-
- 0.45•VA
250
0.01
-
-
- V
k
Ω
mA
Filt+ Nominal Voltage
Output Impedance
Maximum allowable DC current source/sink
-
-
- VA
250
0.01
-
-
- V
k
Ω
mA
MUTEC Low-Level Output Voltage - 0 - V
MUTEC High-Level Output Voltage - VA - V
Maximum MUTEC Drive Current - 3 - mA
Parameters Symbol Min Typ Max Units
Input Leakage Current I
in
- - ±10
µA
Input Capacitance - 8 - pF
Parameters Symbol Min Max Units
3.3 V Logic (3.0 V to 3.6 V DC Supply)
High-Level Input Voltage V
IH
2.0 - V
Low-Level Input Voltage V
IL
- 0.8 V
5.0 V Logic (4.75 V to 5.25 V DC Supply)
High-Level Input Voltage V
IH
2.0 - V
Low-Level Input Voltage V
IL
- 0.8 V