Cirrus Logic CS4955 - Manual (Page 6)

CS4954 CS4955
6 DS278F6
1. CHARACTERISTICS AND SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
AC & DC PARAMETRIC SPECIFICATIONS
(AGND,DGND = 0 V, all voltages with respect to 0 V)
WARNING: Operating beyond these limits can result in permanent damage to the device. Normal operation is not
guaranteed at these extremes.
RECOMMENDED Operating Conditions
(AGND,DGND = 0 V, all voltages with respect to 0 V.)
Note: Operation outside the ranges is not recommended.
THERMAL CHARACTERISTICS
Note: Four-layer PCB recommended for operation in environments where TA > 70° C.
DC CHARACTERISTICS
(T
A
= 25° C; VAA, VDD = 5 V; GNDA, GNDD = 0 V.)
Parameter Symbol Min Max Units
Power Supply VAA/VDD -0.3 6.0 V
Input Current Per Pin (Except Supply Pins) -10 10 mA
Output Current Per Pin (Except Supply Pins) -50 +50 mA
Analog Input Voltage -0.3 VAA + 0.3 V
Digital Input Voltage -0.3 VDD + 0.3 V
Ambient Temperature Power Applied -55 + 125 °C
Storage Temperature -65 + 150 °C
Parameter Symbol Min Typ Max Units
Power Supplies: Digital Analog VAA/VDD 3.15
4.75 3.3
5.0 3.45
5.25 V
Operating Ambient Temperature TA -40 +25 +85 °C
Parameters Symbol Min Typ Max Units
Allowable Junction Temperature - - 150 °C
Junction to Ambient Thermal Impedance - - -
(Four-layer PCB) TQFP θ
JA-TM
- 45 -
°C/W
(Two-layer PCB) TQFP
θ
JA-TS
- 65 -
Parameter Symbol Min Typ Max Units
Digital Inputs
High level Input Voltage
V [7:0], PDAT [7:0], Hsync/Vsync/CLKIN
VIH 2.2 - VDD+0.3 V
High Level Input Voltage I²C VIH 0.7 VDD - - V
Low level Input Voltage All Inputs - -0.3 - 0.8 V
Input Leakage Current - -10 - +10 μA
Digital Outputs
High Level Output Voltage lo = -4 mA
VOH 2.4 - VDD V
Low level Output Voltage lo = 4 mA VOL - - 0.4 V