STV0684 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STV0684' PDF : 49 Pages View PDF
STV0684
Electrical Characteristics
4.5 AC electrical characteristics
4.5.1
SFP AC parameters
Each SFP is a TTL schmitt trigger bidirectional pad Buffer, 3v3 capable with 2mA drive capability
and Slew-rate Control. The 3.3V IOs comply to the EIA/JEDEC standard JESD8-B.
4.5.2 Audio ADC electrical parameters
Table 7: Audio/ADC electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Fclk
Clock frequency
12
MHz
Dutymclk Clk duty cycle
40
60
%
Fs
Sample frequency
8
48
kHz
Vbias
Bias reference voltage
Vbias / VDDA = 3V
1.5
V
Rbias
Vbias impedance
Vbias
5
kΩ
RIN
Input impedance
IN+ / IN-
50
kΩ
Cin
Input capacitance
IN+ / IN-
10
pF
Dyn In
Input dynamic range
ADC Out Full scale IN+ /
1.5
Vpp
IN- Gain 0dB (AGC off)
SNR*
Signal / Noise ratio
Sinewave @FS - 3dB
82
dB
Gain 0dB
Offset
Offset error
After automatic
calibration
100
LSB
Harm1
Signal to peak harmonics Sinewave @FS - 3dB
75
dB
Gain 0dB
Sinewave @FS - 3dB
50
dB
Gain 24dB
1. Input sine wave 1kHz, Fmclk 11.289 MHz, BW = 10Hz-20 kHz, A-weighting filters, output 16 bits
RAW PCM
27/49
Share Link: 
