Cirrus Logic CS3308 - Manual (Page 8)

8 DS702F1
CS3308
ANALOG CHARACTERISTICS
(Test conditions (unless otherwise specified): R
S
= 0; R
L
= 2 k
Ω; C
L
= 20 pF; 10 Hz to 20 kHz Measurement Band-
width)
3. V
in
= [(V
FS Max
- V
FS Min
) - 1.6 V] V
p-p
, 1 kHz, Volume = 0 dB.
Note that for (VA+) = -(VA-) = 5 V, V
in
= 5.7 V
p-p
= 2 V
RMS
.
4. Measured with input grounded and volume = 0 dB. Will increase as a function of volume settings >0 dB.
5. Power-down is defined as RESET = low, all clock and data lines held static, and no analog input signals
applied.
Parameter Symbol Min Typ Max Unit
DC Characteristics
Step Size - 0.25 - dB
Gain Error (Vol = +22 dB) - ±0.5 - dB
Gain Matching Between Channels (Vol = +22 dB) - ±0.1 - dB
Input Resistance R
IN
8 10 - k
Ω
Input Capacitance C
IN
- 10 - pF
AC Characteristics
Total Harmonic Distortion + Noise (Note 3) THD+N - 0.00025 0.00063 %
Dynamic Range 117 123 - dB
Input/Output Voltage Range (THD+N < 1 %) V
FS
(VA-) + 1.35 - (VA+) - 1.35 V
Output Noise (Note 4) - 1.8 3.6
μVrms
Interchannel Isolation (1 kHz) - -120 - dB
Output Buffer
Offset Voltage (Note 4) V
OS
- 0.75 5 mV
Output Resistance R
OUT
- 100 - Ω
AC Load Resistance R
LOAD
2 - - k
Ω
Load Capacitance - - 100 pF
Short Circuit Current - 20 - mA
Unity Gain Bandwidth, Small Signal - 5 - MHz
Power Supplies
Supply Current (No Load, V
in
= 0 V) Normal Operation
Power-Down, All Supplies (Note 5)
I
VA+
I
VA-
I
VD
I
PD
-
-
-
- 36
36
0.6
60
50
50
1.07
-
mA
mA
mA
μA
Power Consumption Normal Operation
Power Down (Note 5)
-
- 362
300 500
-
mW
μW
Power Supply Rejection Ratio (250 Hz) PSRR - 80 - dB