W681512SG TR Nuvoton Technology Corporation of America, W681512SG TR Datasheet - Page 30

• Manufacturer Part Number: W681512SG TR
• Description: IC VOICEBAND CODEC 5V 1CH 20SOP
• Manufacturer: Nuvoton Technology Corporation of America
• Type: PCMr

Specifications of W681512SG TR

• Data Interface: PCM Audio Interface
• Resolution (bits): 8 b
• Number Of Adcs / Dacs: 1 / 1
• Sigma Delta: No
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOP
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.5V
• Single Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: W681513DK - KIT DEVELOPMENT FOR W681513W681512DK - KIT DEVELOPMENT FOR W681512W681511DK - KIT DEVELOPMENT FOR W681511W681512ES - EVALUATION SYSTEM FOR W681512
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: W681512SG T&R; W681512SG T&R

600 OHM 1:1
ELECTRET
MICROPHONE
TRANSFORMER
+
SPEAKER
1.5K
600
27K
1.0 uF
1.0 uF
1.0 uF
1.5K
Figure 11.4 Transformer Interface Circuit in GCI mode
0.01 uF
0.01 uF
3.9K
3.9K
27K
22 uF
62K
Figure 11.3 Handset Interface
62K
27K
27K
27K
100pF
100pF
27K
27K
- 30 -
1K
17
18
19
20
2
1
3
4
5
17
18
19
20
2
1
3
4
5
U4
AO
AI-
AI+
VAG
RO-
RO+
PAI
PAO-
PAO+
W681512
U5
AO
AI-
AI+
VAG
RO-
RO+
PAI
PAO-
PAO+
W681512
VDD
VDD
BCLKR
BCLKT
PCMR
PCMT
MCLK
FSR
FST
PUI
BCLKR
u/A
BCLKT
PCMR
PCMT
MCLK
FSR
FST
PUI
u/A
0.1 uF
0.1 uF
14
12
13
11
8
9
7
16
10
14
12
13
11
8
9
7
16
10
POWER CONTROL
MODE SELECT
POWER CONTROL
8 KHz Frame Sy nc
MODE SELECT
8 KHz Frame Sy nc
B1/B2 SELECT
W681512
2.048 MHz
Bit Clock
PCM OUT
PCM IN
2.048 MHz
Bit Clock
PCM OUT
PCM IN