CM6571 Datasheet, PDF (48/63 Pages) C-Media Electronics – USB 2.0 full speed-compliant

CM6571
USB Audio Sound Chip
10 Electrical characteristics
10.1 Absolute maximum ratings
Test conditions: DV50 = 5V, AV50 = 5V, DGND =0V, TA=+25^oC
Parameter
Symbol
Min.
Storge temperature
Operating ambient temperature
T_S
-25
T_A
0
Digital supply voltage(DV50)
4.5
Analog supply voltage(AV50)
4.5
Digital supply voltage2(DVDD)
1.75
Analog supply voltage2(AVDD)
2.2
I/O pin voltage
-
GND
ESD (Body mode)
ESD (Machine mode)
Typ
-
25
5.0
5.0
1.8/2.8
2.8
-
±4000
±200
Max.
150
75
5.5
5.5
3.6
3.6
3.3
Units
o_C
o_C
V
V
V
V
V
V
V
10.2 Recommended operation conditions
Parameter
Digital supply voltage(DV50)
Analog supply voltage(AV50)
Digital supply voltage2(DVDD)
Analog supply voltage2(AVDD)
Operating ambient temperature
Crystal clock
Symbol
-
-
Min.
1.75
2.4
Typ
5
5
1.8/2.8
2.8
25
12.000
Max.
3.6
3.6
Units
V
V
V
V
o_C
MHz
10.3 Power consumption
Test Conditions: DV50=5V, AV50 = 5V, DGND =0V, TA=+25^oC
Sample Rate=48kHz, 16Bits, Operation: HP-Out Playback+Mic-In Recording, EQ disable, Spdif out disable
Parameter
Symbol
Min.
Typ
Max.
Total power consumption
(Playback + Record)
-
-
76
-
Standby power consumption
-
-
58
-
Suspend mode power consumption
-
-
1650
-
Units
mA
mA
uA
10.4 DC characteristics
Test Conditions: DV50=5V, V_DD = 3.3V, DGND =0V, TA=+25^oC, V_DD = 3.3V
Parameter
Symbol
Min.
Typ
Input voltage range
Vin
DGND-0.3
V_DD
Output voltage range
Vout
0
-
High-level input voltage
Low-level input voltage
Vih
0.7V_DD
-
Vil
-
-
High-level output voltage
Voh
2.4
-
Low-level output voltage
Vol
-
Input leakage current
Iil
-10
-
Output leakage current
Iol
-10
-
Output buffer driver current
-
2
8
SPDIF transmit output driver current
-
2
8
Max.
V_DD+0.3
V_DD
-
0.3V_DD
-
0.4
10
10
16
16
Units
V
V
V
V
V
V
uA
uA
mA
mA
Revised: Nov. 2012
Page 48 / 63
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