WM8352GEB/V Wolfson Microelectronics, WM8352GEB/V Datasheet - Page 28

• Manufacturer Part Number: WM8352GEB/V
• Description: Audio CODECs Audio CODEC plus pwr management
• Manufacturer: Wolfson Microelectronics

Specifications of WM8352GEB/V

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, 4-Wire)
• Resolution: 12 bit
• Operating Supply Voltage: 3.7 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: BGA
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Supply Current: 260 uA
• Thd Plus Noise: - 83 dB
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 8
• No. Of Output Channels: 6
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 95dB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8352
9.2
Figure 1 DC-DC1 Efficiency Vs Load Current Vo=1.8V
Figure 3 DC-DC3 Efficiency Vs Load Current Vo=1.8V
w
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0.001
0
0.001
DC-DC CONVERTERS
STANDBY
V
V
V
0.01
STANDBY
V
IN
IN
IN
0.01
V
V
IN
IN
IN
= 3.0V
= 4.2V
= 3.7V
EFFICIENCY vs LOAD
EFFICIENCY vs LOAD
= 4.2V
= 3.0V
= 3.7V
9.2.1
LOAD (A)
DCDC1
LOAD (A)
DCDC3
0.1
POWER EFFICIENCY
0.1
V
V
OUT
OUT
ACTIVE
V
V
V
V
IN
IN
IN
IN
= 1.8V
V
= 1.8V
= 3.7V
= 4.2V
ACTIVE
V
= 4.2V
= 3.0V
IN
IN
= 3.7V
= 3.0V
1
1
Figure 2 DC-DC1 Efficiency Vs Load Current Vo=1.2V
Figure 4 DC-DC2 Efficiency Vs Load Current Vo=20V
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0.001
0
0.001
V
0.01
IN
STANDBY
V
V
= 4.2V
IN
IN
EFFICIENCY vs LOAD
EFFICIENCY vs LOAD
= 3.0V
= 3.7V
LOAD (A)
DCDC1
LOAD (A)
DCDC2
0.01
V
IN
= 3.1V
PD, March 2010, Rev 4.2
0.1
V
IN
= 3.7V
ACTIVE
V
V
IN
OUT
V
V
= 4.2V
Production Data
OUT
IN
= 1.2V
V
= 4.2V
V
IN
= 20.0V
IN
= 3.7V
= 3.0V
1
0.1
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