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

• Manufacturer Part Number: CS495313-CQZR
• Description: Audio DSPs IC 32-bit Decodr DSP w/Dual DSP Engine
• Manufacturer: Cirrus Logic Inc

Specifications of CS495313-CQZR

• 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-pin LQFP)
5.6 Thermal Data (128-pin LQFP)
Notes:
5.7 Switching Characteristics— RESET
DS705PP5
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
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
]
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