CS42448-CQZ Cirrus Logic Inc, CS42448-CQZ Datasheet - Page 12

• Manufacturer Part Number: CS42448-CQZ
• Description: IC CODEC 108DB 192KHZ 64LQFP
• Manufacturer: Cirrus Logic Inc
• Type: Audio Codecr

Specifications of CS42448-CQZ

• Package / Case: 64-LQFP
• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 6 / 8
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 108 (Differential), 102 / 105 (Single-Ended)
• Voltage - Supply, Analog: 3.14 V ~ 5.25 V
• Voltage - Supply, Digital: 3.14 V ~ 5.25 V
• Operating Temperature: -10°C ~ 70°C
• Mounting Type: Surface Mount
• Number Of Adc Inputs: 10
• Number Of Dac Outputs: 8
• Conversion Rate: 192 KSPS
• Interface Type: Serial (I2C, SPI)
• Resolution: 24 bit
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 10 C
• Number Of Channels: 6 ADC/8 DAC
• Thd Plus Noise: - 98 dB ADC / - 98 dB DAC, - 95 dB ADC / - 95 dB DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1151 - BOARD EVAL FOR CS42448 CODEC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1033

12
ANALOG INPUT CHARACTERISTICS (AUTOMOTIVE)
Test Conditions (unless otherwise specified): T
scale input sine wave: 1 kHz through the active input filter in
surement Bandwidth is 10 Hz to 20 kHz.
Notes:
Fs=48 kHz, 96 kHz, 192 kHz
Dynamic Range
Total Harmonic Distortion + Noise
(Note 5)
ADC1-3 Interchannel Isolation
ADC3 MUX Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Analog Input
Full-Scale Input Voltage
Differential Input Impedance
Single-Ended Input Impedance
Common Mode Rejection Ratio (CMRR)
5. Referred to the typical full-scale voltage.
6. Measured between AINx+ and AINx-.
7. Measured between AINxx and AGND.
8. The input impedance scales inversely proportionate to the sample rate of the ADC modulator.
40 kHz bandwidth
40 kHz bandwidth unweighted
Parameter
(Notes 7 & 8)
(Notes 6 & 8)
unweighted
A-weighted
-20 dB
-60 dB
-1 dB
-1 dB
1.04*VA 1.12*VA 1.20*VA 0.52*VA 0.56*VA 0.60*VA
A
Min
= -40 to +85°C; VD = VLS = VLC = 3.3 V±5%, VA = 5 V±5%; Full-
97
94
23
-
-
-
-
-
-
-
-
-
-
-
Differential
±100
Typ
105
102
-98
-82
-42
-87
0.1
99
90
85
29
82
-
Figure 26 on page 53
Max
-90
32
-
-
-
-
-
-
-
-
-
-
-
-
Min
94
91
23
-
-
-
-
-
-
-
-
-
-
and
Single-Ended
Figure 27 on page
±100
Typ
102
-95
-79
-39
-87
0.1
99
96
90
85
29
-
Max
-87
32
-
-
-
-
-
-
-
-
-
-
-
CS42448
DS648F3
53; Mea-
ppm/°C
Unit
Vpp
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
kΩ
dB