CS4215 Datasheet, PDF (2/52 Pages) Cirrus Logic – 16-Bit Multimedia Audio Codec

CS4215
ANALOG CHARACTERISTICS( TA = 25°C; VA1, VA2, VD1, VD2 = +5V;
Input Levels: Logic 0 = 0V, Logic 1 = VD1, VD2; Full Scale Input Sine wave, No Gain, No Attenuation 1 kHz;
Conversion Rate = 48 kHz; No Gain, No Attenuation, SCLK = 3.072 MHz; Measurement Bandwidth is 10 Hz to
20 kHz; Slave mode; Unless otherwise specified.)
Parameter *
Symbol Min
Typ
Max Units
Analog Input Characteristics - Minimum gain setting (0 dB); unless otherwise specified.
ADC Resolution
16
-
-
Bits
ADC Differential Nonlinearity
-
-
±0.9
LSB
Instantaneous Dynamic Range
Line Inputs IDR
80
84
Mic Inputs
72
78
-
dB
-
dB
Total Harmonic Distortion
Line Inputs THD
-
Mic Inputs
-
-
0.012
%
-
0.032
%
Interchannel Isolation
Line to Line Inputs
Line to Mic Inputs
-
80
-
dB
-
60
-
dB
Interchannel Gain Mismatch
Line Inputs
Mic Inputs
-
-
0.5
dB
-
-
0.5
dB
Frequency Response (Note 1)
(0 to 0.45 Fs)
-0.5
-
+0.2
dB
Programmable Input Gain
Line Inputs
Mic Inputs
-0.2
-
23.5
dB
19.8
-
44
dB
Gain Step Size
-
1.5
-
dB
Absolute Gain Step Error
-
-
0.75
dB
Offset Error
with HPF = 0
(No Gain)
Line Inputs (AC Coupled)
Line Inputs (DC Coupled)
Mic Inputs
-
±150 ±400
-
±10
±150 LSB
-
±400
-
Offset Error
with HPF = 1 (Notes 1,2)
(No Gain)
Line Inputs (AC Coupled)
Line Inputs (DC Coupled)
Mic Inputs
-
0
±5
-
0
±5
LSB
-
0
±5
Full Scale Input Voltage:
(MLB=0) Mic Inputs
(MLB=1) Mic Inputs
Line Inputs
0.250 0.28 0.310 Vpp
2.50
2.8
3.10
Vpp
2.50
2.8
3.10
Vpp
Gain Drift
-
100
-
ppm/°C
Input Resistance
(Note 3)
20
-
-
kΩ
Input Capacitance
-
-
15
pF
CMOUT Output Voltage
(Maximum output current = 400 µA)
(Note 4)
1.9
2.1
2.3
V
Notes: 1. This specification is guaranteed by characterization, not production testing.
2. Very low frequency signals will be slightly distorted when using the HPF.
3. Input resistance is for the input selected. Non-selected inputs have a very high (>1MΩ) input
resistance.
4. DC current only. If dynamic loading exists, then CMOUT must be buffered or the performance of
ADC’s and DAC’s may be degraded.
* Parameter definitions are given at the end of this data sheet.
Mwave™ is a trademark of the IBM Corporation.
2
Specifications are subject to change without notice.
DS76F2