CS53L21-CNZ Cirrus Logic Inc, CS53L21-CNZ Datasheet - Page 56

• Manufacturer Part Number: CS53L21-CNZ
• Description: IC ADC STEREO 24BIT 98DB 32QFN
• Manufacturer: Cirrus Logic Inc

Specifications of CS53L21-CNZ

• Package / Case: 32-QFN
• Number Of Converters: 2
• Number Of Bits: 24
• Sampling Rate (per Second): 100k
• Data Interface: Serial
• Power Dissipation (max): 30mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -10°C ~ 70°C
• Mounting Type: Surface Mount
• Conversion Rate: 96 KSPS
• Resolution: 24 bit
• Number Of Adc Inputs: 6
• Operating Supply Voltage: 1.8 V or 2.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: - 10 C
• Mounting Style: SMD/SMT
• Power Consumption: 60 mW
• Supply Voltage (max): 2.63 V
• Supply Voltage (min): 1.65 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1550 - BOARD EVAL FOR CS53L21 ADC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1191

56
7. ANALOG PERFORMANCE PLOTS
7.1
B
S
d
F
-100
-60
-64
-68
-72
-76
-80
-84
-88
-92
-96
20
ADC_FILT+ Capacitor Effects on THD+N
The value of the capacitor on the ADC_FILT+ pin, 16, affects the low frequency total harmonic distortion +
noise (THD+N) performance of the ADC. Larger capacitor values yield significant improvement in THD+N
at low frequencies.
en from the CDB53L21 using an Audio Precision analyzer.
50
100
200
Figure 22
Figure 22. ADC THD+N vs. Frequency w/Capacitor Effects
500
shows the THD+N versus frequency for the ADC analog input. Plots were tak-
Hz
1k
2k
5k
10k
20k
Legend –
Capacitor Value on ADC_FILT+
1 µF
10 µF
22 µF
CS53L21
DS700PP1