CS43L21-CNZ Cirrus Logic Inc, CS43L21-CNZ Datasheet - Page 27

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CS43L21-CNZ

Manufacturer Part Number
CS43L21-CNZ
Description
IC DAC 24BIT 98DB 96KHZ 32QFN
Manufacturer
Cirrus Logic Inc
Datasheet

Specifications of CS43L21-CNZ

Package / Case
32-QFN
Number Of Bits
24
Data Interface
Serial
Number Of Converters
2
Voltage Supply Source
Analog and Digital, Dual ±
Operating Temperature
-10°C ~ 70°C
Mounting Type
Surface Mount
Conversion Rate
96 KSPS
Resolution
24 bit
Interface Type
Serial
Operating Supply Voltage
1.8 V or 2.5 V
Operating Temperature Range
+ 70 C
Mounting Style
SMD/SMT
Number Of Dac Outputs
2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1282 - BOARD EVAL FOR CS43L21 DAC
Power Dissipation (max)
-
Settling Time
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
598-1187

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DS723A1
4.3.7
Line-Level Outputs and Filtering
The CODEC contains on-chip buffer amplifiers capable of producing line level single-ended outputs on
AOUTA and AOUTB. These amplifiers are ground centered and do not have any DC offset. A load stabi-
lizer circuit, shown in the
nection Diagram (Hardware Mode)” on page
amplifiers to drive line or headphone outputs.
Also shown in the Typical Connection diagrams is the recommended passive output filter to support high-
er impedances such as those found on the inputs to operational amplifiers. “Rext”, shown in the typical
connection diagrams, is the input impedance of the receiving device.
The invert and digital gain controls may be used to provide phase and/or amplitude compensation for an
external filter.
The delta-sigma conversion process produces high frequency noise beyond the audio passband, most of
which is removed by the on-chip analog filters. The remaining out-of-band noise can be attenuated using
an off-chip low pass filter.
Software
Controls:
(after Limiter)
MAX[2:0]
MAX[2:0]
Limiter
Output
Input
Volume
“DAC Output Control (Address 08h)” on page
& AOUTB (Address 17h)” on page
“Typical Connection Diagram (Software Mode)” on page 9
ARATE[5:0]
Figure 11. Peak Detect & Limiter
ATTACK/RELEASE SOUND
CUSHION
10, is required on the analog outputs. This allows the DAC
49.
RRATE[5:0]
41,
“AOUTx Volume Control: AOUTA (Address 16h)
CUSH[2:0]
AOUTx_VOL[7:0] volume
adjusted manually when
control should NOT be
Limiter is enabled.
and the
CS43L21
“Typical Con-
27

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