CS47014-CVZR CIRRUS [Cirrus Logic], CS47014-CVZR Datasheet - Page 11

• Manufacturer Part Number: CS47014-CVZR
• Description: High Definition Audio Decoder DSP Family with Dual 32-bit DSP Engine Technology
• Manufacturer: CIRRUS [Cirrus Logic]

5.4 Power Supply Characteristics
(Measurements performed under operating conditions.)
5.5 Thermal Data (144-Pin LQFP)
5.6 Thermal Data (128-pin LQFP)
Notes: 1.
DS752PP8
Input leakage current (all digital pins with internal pull-
up resistors enabled, and XTI)
Power supply current:
Core and I/O operating: VDD
PLL operating: VDDA
With external memory and most ports operating: VDDIO
Thermal Resistance (Junction to Ambient)
Thermal Resistance (Junction to Top of Package)
Thermal Resistance (Junction to Ambient)
Thermal Resistance (Junction to Top of Package)
1.Dependent on application firmware and DSP clock speed.
2.Four-layer board is specified as a 76 mm X 114 mm, 1.6 mm thick FR-4 material with 1-oz copper covering 20% of the
3.To calculate the die temperature for a given power dissipation
4.To calculate the case temperature for a given power dissipation
Two-layer board is specified as a 76 mm X 114 mm, 1.6 mm thick FR-4 material with 1-oz copper covering 20% of the top and bottom
layers.
top and bottom layers and 0.5-oz copper covering 90% of the internal power plane and ground plane layers.
Τ
Τ
c
j
= Ambient Temperature + [ (Power Dissipation in Watts) * θ
= Τ
j
- [ (Power Dissipation in Watts) * ψ
Parameter
Parameter
Parameter
1
Parameter
Four-layer Board
Four-layer Board
Four-layer Board
Four-layer Board
Two-layer Board
Two-layer Board
Two-layer Board
Two-layer Board
Copyright 2009 Cirrus Logic
jt
]
Symbol
I
IN-PU
1
2
1
2
1
2
1
2
Symbol
Symbol
ψ
θ
θ
ψ
ja
ja
ja
jt
jt
]
32-bit High Definition Audio Decoder DSP Family
Min
-
Min
Min
-
-
-
-
-
-
-
-
Min
-
-
-
Typ
-
Typ
Typ
.39
.33
.45
.39
48
40
53
44
Typ
500
120
3.5
Max
Max
Max
70
-
-
-
-
-
-
-
-
Max
CS4970x4 Data Sheet
-
-
-
°C / Watt
°C / Watt
°C / Watt
°C / Watt
Unit
Unit
Unit
μA
Unit
mA
mA
mA
11