WM8351GEB/V Wolfson Microelectronics, WM8351GEB/V Datasheet - Page 29

• Manufacturer Part Number: WM8351GEB/V
• Description: Audio CODECs Audio CODEC plus pwr management
• Manufacturer: Wolfson Microelectronics

Specifications of WM8351GEB/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

Production Data
Figure 5 DC-DC2 Efficiency Vs Load Current Vo=5V
Figure 6 DC-DC1 Output Voltage Vs Output Current
w
1 .8 0 0
1 .7 9 5
1 .7 9 0
1 .7 8 5
1 .7 8 0
100
90
80
70
60
50
40
0 .0
0.001
0 .1
V
O U T P U T V O L T AG E
IN
0.01
L O AD C U R R E N T
= 3.1V
EFFICIENCY vs LOAD
0 .2
I
O
9.2.2
V
v s
LOAD (A)
DCDC2
IN
( A)
= 3.7V
0 .3
V
IN
= 4.2V
OUTPUT VOLTAGE REGULATION
0.1
0 . 4
Vo = 1.8V
Vi = 3.7V
ACTIVE
V
OUT
= 5.0V
0 . 5
1
Figure 7 DC-DC1 Output Voltage Vs Input Voltage
1.835
1.830
1.825
1.820
1.815
1.810
2.7
3.2
O UT PUT VO L T AG E
3.7
INPUT VO LT AG E
V
vs
I
(V)
4.2
4.7
PD, March 2010, Rev 4.2
Vo= 1.8V
Io = 0.5A
5.2
WM8351
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