CS47048C-CQZ Cirrus Logic Inc, CS47048C-CQZ Datasheet - Page 32

• Manufacturer Part Number: CS47048C-CQZ
• Description: IC 4CH ADC 8ch DAC & 32bit DSP
• Manufacturer: Cirrus Logic Inc
• Type: Fixed Pointr

Specifications of CS47048C-CQZ

• Interface: I²C, SPI
• Clock Rate: 150MHz
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.80V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP Exposed Pad, 100-eLQFP, 100-HLQFP
• Operating Temperature Range: 0°C To +70°C
• No. Of Pins: 100
• Frequency: 147MHz
• Embedded Interface Type: I2C, SPI
• Core Supply Voltage: 1.89V
• No. Of Mips: 150
• Digital Ic Case Style: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1539 - BOARD EVAL 4CH ADC/8CH DAC DSP598-1536 - BOARD EVAL 4CH ADC/8CH DAC DSP
• Non-volatile Memory: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 598-1657; CS47048B-CQZ

CS470xx Data Sheet
Audio SOC Processor Family
5.17.3 Combined DAC Interpolation & On-chip Analog Filter Response
32
Passband (Frequency Response)
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
AOUT_x+
AOUT_x-
P output: R
N output: R
C
Parameter
L
Figure 17.
125
100
75
50
25
C
4.87 k
1.96 k
L
L
2.5
L
= 1.96k + ( [2
= 4.87k + ( [2
3
Figure 18.
4700 pF
5
DAC Differential Output Test Circuit
1800 pF
Copyright 2011 Cirrus Logic


F*4700pF]
F*1800pF]
Resistive Load -- R
+
Maximum Loading
22 µF
10
to 0.22 dB corner
2.43 k
953
-1
-1
to -3 dB corner
Safe Operating
|| (1.96k + [2
|| ((2.43k + [2
Region
1200 pF
15
L


F*22µF
(k  )
470 pF
F*470pF]
4.87 k
+
-
0.5465
-0.02
-
Min
100
]
-1
0
0
-1
-
) || (953 + [2
) || 4.87k ))
20
22 µF
10/Fs
10 k
Typ

560
F*1200pF ]
-
-
-
-
-
AOUT
-1
))
0.4125
0.4979
+0.02
Max
-
-
-
DS787PP5
Unit
dB
dB
Fs
Fs
Fs
s