CS8422
DIGITAL INTERFACE SPECIFICATIONS
AGND = DGND = 0 V; all voltages with respect to 0 V.
Parameter
Input Leakage Current (Note 5)
Input Capacitance
Digital Interface Receiver - RXP[1:0], RXN[1:0], RX[3:0]
Differential Input Sensitivity, RXP to RXN (Note 6)
Symbol Min
Iin
-
Iin
-
-
Differential Input Impedance, RXP and RXN to GND
-
Single-Ended Input Sensitivity, RX pins, Receiver Input Mode 1
-
(Note 6)
Single-Ended Input Impedance, RX pins, Receiver Input Mode 1
-
High-Level Input Voltage, RX pins in Digital mode
VIH 0.55xVA
Low-Level Input Voltage, RX pins in Digital mode
Digital I/O
VIL
-0.3
High-Level Output Voltage (IOH = -4 mA)
VOH .77xVL
Low-Level Output Voltage (IOL = 4 mA)
VOL
-
High-Level Input Voltage
VIH 0.65xVL
Low-Level Input Voltage
Input Hysteresis
VIL
-
-
Typ Max
-
+32
8
-
-
200
11
-
-
200
11
-
- VA+0.3
-
0.8
-
-
-
0.6
-
-
- 0.3xVL
0.2
-
Units
A
pF
mVpp
k
mVpp
k
V
V
V
V
V
V
V
Notes:
5.
6.
When a digital signal is sent to the AES RX pins, the pins will draw approximately 730 µA from the digital
signal’s supply from the time RST is released until the RX_MODE, RX_SEL, and INPUT_TYPE bits in
register 03h are properly configured to allow a digital input signal on the driven pins, see Section 11.3
on page 48.
Maximum sensitivity in accordance with AES3-2003 section 8.3.3. Measured with eye diagram height
at the specified voltage and width of at least 50% of one-half the biphase symbol period.
16
DS692F1