CS42325-CQZ Cirrus Logic Inc, CS42325-CQZ Datasheet - Page 17

• Manufacturer Part Number: CS42325-CQZ
• Description: IC CODEC STEREO AUDIO 48-LQFP
• Manufacturer: Cirrus Logic Inc
• Type: Audio Codecr

Specifications of CS42325-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 (I2C, 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

DS838A2
DAC ANALOG CHARACTERISTICS - COMMERCIAL (-CQZ)
Test Conditions (unless otherwise specified): VA = VD = VL = 3.3 V, VA_H = 9 V, GND = GNDH = 0 V; T
997 Hz Full-Scale Output Sine Wave. Decoupling capacitors, Filter capacitors, and Recommended output filter as
shown in
Bandwidth 10 Hz to 20 kHz,
Notes: 7. One-half LSB of triangular PDF dither added to data.
R
Dynamic Range
Total Harmonic Distortion + Noise
Interchannel Isolation
R
Dynamic Range
Total Harmonic Distortion + Noise
Interchannel Isolation
Other Characteristics for R
Full-Scale Output Voltage
Max current draw from an AOUT1x or AOUT2x pin
AC-Load Resistance (AOUT1x and AOUT2x)
AC-Load Resistance (AOUT3x/HPx)
Load Capacitance
Output Impedance
Interchannel Gain Mismatch
Gain Drift
L
L
= 5 k
= 32
Ω
Ω
8. Does not account for attenuation due to
9. See
Figure 7 on page 26
allowed in order to maintain stability in the internal op-amp. C
output amp; increasing C
Figures 1
Parameter
L
and
= 32
18 to 24-Bit
16-Bit
18 to 24-Bit
16-Bit
18 to 24-Bit
16-Bit
18 to 24-Bit
16-Bit
and
2 on page
Ω
or 5 k
Figure 8 on page
L
beyond 100 pF can cause the internal op-amp to become unstable.
Ω
19. R
L
unweighted
unweighted
unweighted
unweighted
A-weighted
A-weighted
A-weighted
A-weighted
and C
(Note 7)
(Note 7)
(Note 7)
(Note 7)
(Note 8)
(Note 9)
(Note 9)
(Note 9)
(1 kHz)
(1 kHz)
Z
27; Fs = 48 kHz or 96 kHz; Synchronous Mode; Measurement
-20 dB
-60 dB
-20 dB
-60 dB
-20 dB
-60 dB
-20 dB
-60 dB
OUT
-3 dB
0 dB
0 dB
0 dB
0 dB
L
reflect the minimum resistance and maximum capacitance
.
Symbol
THD+N
THD+N
Z
I
OUT
R
R
C
OUT
L
L
L
Min
1.9
94
91
88
85
94
91
88
85
16
40
5
L
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
affects the dominant pole of the internal
-100
Typ
100
100
575
100
-90
-77
-37
-87
-73
-30
-40
-54
-77
-37
-40
-73
-30
-80
2.0
0.1
97
93
90
97
93
90
50
-
-
-
Max
0.25
100
-84
-73
-33
-82
-68
-25
-34
-48
-73
-33
-34
-68
-25
2.1
60
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS42325
A
= 25° C;
ppm/°C
Unit
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
μA
kΩ
dB
pF
rms
Ω
Ω
17