CS42324-CQZ Cirrus Logic Inc, CS42324-CQZ Datasheet - Page 2

• Manufacturer Part Number: CS42324-CQZ
• Description: IC CODEC STEREO AUDIO 48LQFP
• Manufacturer: Cirrus Logic Inc
• Type: Audio Codecr

Specifications of CS42324-CQZ

• Package / Case: 48-LQFP
• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 1 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 95 / 100
• Voltage - Supply, Analog: 3.13 V ~ 3.47 V
• Voltage - Supply, Digital: 3.13 V ~ 3.47 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 2
• Conversion Rate: 96 KSPS
• Interface Type: Serial (I2S, SPI)
• Resolution: 24 bit
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 1 ADC/2 DAC
• Supply Current: 10 mA to 24 mA
• Thd Plus Noise: - 88 dB ADC / - 90 dB DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1498 - BOARD EVAL FOR CS42324 CODEC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1602

2
System Features
Direct Interface with 1.8 V to 3.3 V Logic Levels
Supports Asynchronous Serial Port Operation
Internal Digital Loopback
+3.3 V Analog Power Supply
+3.3 V Digital Power Supply
+9 V to +12 V High-Voltage Power Supply
Hardware or Software Mode Configuration
–
–
–
–
Two Independent Clock Domains
ADC, DAC1, and DAC2 can be
Independently Assigned to the Two Clock
Domains
Each Serial Port Supports Master or Slave
Operation
Supports I²C
®
and SPI
™
Software Interface
General Description
The CS42324 is a highly integrated stereo audio
CODEC. The CS42324 performs stereo analog-to-
digital (A/D) and up to four channels of digital-to-analog
(D/A) conversion of up to 24-bit serial values at sample
rates up to 96 kHz.
A 5:1 stereo input multiplexer is included for selecting
between line-level inputs. The output of the input multi-
plexer is followed by an advanced 3rd-order, multi-bit
delta-sigma modulator and digital filtering/decimation.
Sampled data is transmitted by the serial audio inter-
face at rates from 4 kHz to 96 kHz, in either Slave or
Master Mode.
The D/A converter is based on a 5th-order multi-bit del-
ta-sigma modulator with an ultra-linear low-pass filter
and offers a volume control that operates with a 0.5 dB
step size. It incorporates selectable soft ramp and zero
crossing transition functions to eliminate clicks and
pops.
An integrated 7:1 stereo output multiplexer on each of
the three stereo 2 Vrms line-level outputs is used to se-
lect any of the 5 stereo analog inputs, for analog bypass
support, or the outputs of the 2 internal DACs. Each
2 Vrms output can be muted with the selectable analog
mute function.
Standard 50/15
44.1 kHz sample rate for compatibility with digital audio
programs mastered using the 50/15
technique.
Integrated digital level translators allow easy interfacing
between the CS42324 and other devices operating over
a wide range of logic levels.
The CS42324 is available in a 48-pin LQFP package in
Commercial (-40°C to +85°C) and Automotive (-40°C to
+105°C) grades. The CDB42324 Customer Demonstra-
tion board is also available for device evaluation and
implementation suggestions. Please refer to
information” on page 71
μ
s de-emphasis is available for a
for complete details.
μ
s pre-emphasis
CS42324
DS721A6
“Ordering