WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 16

• Manufacturer Part Number: WM8903LGEFK/RV
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/RV

• Audio Codec Type: Stereo Codec
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 6
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Sampling Rate: 96kHz
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Adcs / Dacs Signal To Noise Ratio: 96dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8903
SIGNAL TIMING REQUIREMENTS
COMMON TEST CONDITIONS
MASTER CLOCK
w
Master Clock Timing
PARAMETER
MCLK cycle time
MCLK cycle time
MCLK duty cycle
Unless otherwise stated, the following test conditions apply throughout the following sections:
Additional, specific test conditions are given within the relevant sections below.
Figure 1 Master Clock Timing
•
•
•
•
SYMBOL
T
T
T
T
MCLKDS
MCLKY
MCLKY
MCLKY
Ambient temperature = +25°C
DCVDD = 1.2V
DBVDD = AVDD = CPVDD = 1.8V
DGND = AGND = CPGND = 0V
MCLK
MCLKDIV2=1
MCLKDIV2=0
DCVDD
MCLKDIV2=0
TEST CONDITIONS
≥
1.62V
t
MCLKL
54.25
60:40
MIN
t
40
80
MCLKY
t
MCLKH
TYP
PP, Rev 3.1, August 2009
40:60
MAX
Pre-Production
ns
ns
ns
UNIT
16