Si3000
Table 4. AC Characteristics
(VA, VD = 5 V ±5% or 3.3 V ±10%, TA = 0 to 70°C)
Parameter
ADC Resolution
ADC Dynamic Range1,2
ADC Total Harmonic Distortion3
Symbol
Test Condition
Min
Typ
Max
Unit
—
16
—
Bits
ADCDR
VIN = 1 kHz, –3 dB
80
84
—
dB
ADCTHD VIN = 1 kHz, –3 dB, MIC/LINEI —
–80
–62
dB
VA, VD = 3.3 V ±10%
ADC Total Harmonic Distortion3
VIN = 1 kHz, –3 dB, HDST
—
ADCTHD VIN = 1 kHz, –3 dB, MIC/LINEI —
–80
–62
–80
–76
dB
VA, VD = 5 V ±5%
ADC Full Scale Level (0 dB gain)4
ADC Programmable Input Gain
VIN = 1 kHz, –3 dB, HDST
—
–80
–71
VRX
Vin = 1 kHz
—
1
—
Vrms
–34.5
—
12
dB
ADC Input Gain Step Size
ADC Freq Response5
ADC Freq Response5
ADC Freq Response
Line In Preamp Gain
—
1.5
—
dB
FRR
Low –3 dB corner
—
33
—
Hz
FRR
300 Hz
–0.1
—
0
dB
FRR
3400 Hz
–0.2
—
0
dB
—
0/10/20
—
dB
Mic In Preamp Gain
—
0/10/20/
—
dB
30
ADC Input Resistance
ADC Input Capacitance
0 dB Preamp Gain
—
20
—
k
—
15
—
pF
ADC Gain Drift
DAC Resolution
DAC Dynamic Range1,2
DAC Total Harmonic Distortion3
VA, VD = 3.3 V ±10%
DAC Total Harmonic Distortion3
VA, VD = 5 V ±5%
DAC Full Scale Level (0 dB gain)
DAC Programmable Output Gain
AT
VIN = 1 kHz
DACDR
VIN = 1 kHz, –6 dB
DACTHD VIN=1 kHz,–6 dB,LINEO,600
VIN=1 kHz,–6 dB, SPKR, 60
VIN=1 kHz,–6 dB, HDST, 600
DACTHD VIN=1 kHz,–3 dB,LINEO,600
VIN=1 kHz,–3 dB, SPKR, 60
VIN=1 kHz,–3 dB, HDST, 600
VRX
—
—
80
—
—
—
—
—
—
—
–34.5
0.002
16
84
–76
–72
–80
–76
–72
–80
1
—
—
dB/°C
—
Bits
—
dB
–60
dB
–60
–70
–65
dB
–65
–76
—
Vrms
12
dB
Notes:
1. DR = VIN + 20 log (RMS signal/RMS noise). Measurement bandwidth is 300 to 3400 Hz. Valid sample rate ranges
between 4000 and 12000 Hz.
2. 0 dB setting for analog and digital attenuation/gain.
3. THD = 20 log (RMS distortion/RMS signal). Valid sample rate ranges between 4000 and 12000 Hz.
4. At 0 dB gain setting, 1 Vrms input corresponds to –1.5 dB of full scale digital output code.
5. These characteristics are determined by external components. See Figure 13.
6. With a 600 load. Output starts clipping with half of full scale digital input, which corresponds to a 0.5 Vrms output.
Rev. 1.4
5