CDB6420 Cirrus Logic Inc, CDB6420 Datasheet - Page 5

• Manufacturer Part Number: CDB6420
• Description: Development Kit
• Manufacturer: Cirrus Logic Inc

Specifications of CDB6420

• Silicon Manufacturer: Cirrus Logic
• Application Sub Type: Speakerphone
• Kit Application Type: Audio / Video / TV
• Silicon Core Number: CS6420
• Kit Contents: Board
• Kit Features: Analog And Digital Patch Area
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ANALOG TRANSMISSION CHARACTERISTICS
20.480 MHz, RVol=TVol=RGain=TGain= 0 dB, HD=TSD=RSD=1, analog inputs and ouputs loaded with resistors
and capacitors as shown in the typical connection diagram, Figure 2)
MICROPHONE AMPLIFIER
DIGITAL CHARACTERISTICS
DS205PP2
Idle Channel Noise
(Inputs grounded
through a capacitor)
Signal-to-Noise Ratio
(Full Scale, 1 kHz
sine wave input)
Total Harmonic Distortion
Programmable Gain
Volume Control Stepsize (TVol/RVol)
ADC Full-scale Voltage Input
DAC Full-scale Voltage Output
ADC Noise Floor
DAC Noise Floor, DAC muted C-Message Weighted (0-4 kHz)
Gain (Zsource = 50 )
Signal-to-Noise Ratio
Input Impedance
Input Offset Voltage
High-Level Input Voltage
Low-Level Input Voltage
Input Leakage Current
Input Capacitance
Psophometrically weighted (0-4 kHz)
Psophometrically weighted (0-4 kHz)
Parameter
Parameter
Parameter
C-Message Weighted (0-4 kHz)
C-Message Weighted (0-4 kHz)
C-Message weighted (0-4 kHz)
C-Message weighted (0-4 kHz)
A-weighted (0-20 kHz)
A-weighted (0-20 kHz)
A-weighted (0-20 kHz)
(T
A
RGain/TGain = 00
RGain/TGain = 01
RGain/TGain = 10
RGain/TGain = 11
= 25°C, DVDD = AVDD = 5V,f
(T
A
= 25°C, DVDD = AVDD = 5V,f
Symbol
Symbol
Symbol
SNR
SNR
THD
V
A
Z
I
V
C
V
leak
offm
inm
mic
IH
IN
IL
m
(T
A
= 25°C, DVDD = AVDD = 5V, f
XTAL
DVDD-1.0
Min
0.9
69
Min
XTAL
Min
= 20.480 MHz)
= 20.480 MHz)
Typ
-67
-67
9.5
1.0
1.0
17
17
12
2.12
Typ
0
6
3
34
63
5
Typ
5
Max
-69
-80
-85
0.1
1.1
Max
Max
1.0
10
CS6420
dBrnC0
dBrnC0
dBm0p
dBm0p
Units
Vrms
Vrms
XTAL
dBV
dBV
dBV
Units
dB
dB
dB
Units
%
k
dB
dB
V
pF
V
V
A
=
5