CS495313-CQZ Cirrus Logic Inc, CS495313-CQZ Datasheet - Page 11

• Manufacturer Part Number: CS495313-CQZ
• Description: Audio DSPs 32-Bit Decoder DSP w/Dual DSP Engine
• Manufacturer: Cirrus Logic Inc

Specifications of CS495313-CQZ

• Operating Temperature Range: 0 C to + 70 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-144
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.4 Power Supply Characteristics
(measurements performed under operating conditions)
5.5 Thermal Data (144 LQFP)
5.6 Thermal Data (128 LQFP)
Notes:
5.7 Switching Characteristics— RESET
DS705PP2
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)
RESET# minimum pulse width low
All bidirectional pins high-Z after RESET# low
Configuration pins setup before RESET# high
Configuration pins hold after RESET# high
1. Dependent on application firmware and DSP clock speed.
1. 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 %
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 %
3. To calculate the die temperature for a given power dissipation
4.
5. To calculate the case temperature for a given power dissipation
6.
Τ
Τ
of the top & bottom layers.
of the top & bottom layers and 0.5-oz copper covering 90 % of the internal power plane and ground plane layers.
c
j
= Ambient Temperature + [ (Power Dissipation in Watts) *
=
Τ
j
- [ (Power Dissipation in Watts) * ψ
Parameter
Parameter
Parameter
1
Parameter
®Copyright 2008 Cirrus Logic, Inc.
Four-layer Board
Four-layer Board
Four-layer Board
Four-layer Board
Two-layer Board
Two-layer Board
Two-layer Board
Two-layer Board
jt
]
1
2
1
2
1
2
1
2
Symbol
Symbol
Symbol
θ
ψ
θ
ψ
T
T
T
ja
ja
T
jt
jt
rsthld
rst2z
rstsu
θ
rstl
ja
]
Min
Min
-
-
-
-
-
-
-
-
Min
-
-
-
Min
50
20
1
-
32-bit Audio Decoder DSP Family
Typ
Typ
.39
.33
.45
.39
48
40
53
44
Typ
500
120
3.5
CS4953xx Data Sheet
Max
Max
Max
-
-
-
-
-
-
-
-
100
Max
-
-
-
-
-
-
°C / Watt
°C / Watt
°C / Watt
°C / Watt
Unit
Unit
Unit
Unit
mA
mA
mA
μs
ns
ns
ns
11