WM8737LGEFL/R Wolfson Microelectronics, WM8737LGEFL/R Datasheet - Page 11

• Manufacturer Part Number: WM8737LGEFL/R
• Description: IC, ADC, 24BIT, 96KHZ, QFN-32
• Manufacturer: Wolfson Microelectronics

Specifications of WM8737LGEFL/R

• Resolution (bits): 24bit
• Sampling Rate: 96kSPS
• Data Interface: 2-Wire, 3-Wire, Serial
• Supply Voltage Range - Analog: 1.8V To 3.6V
• Supply Current: 7.75mA
• Digital Ic Case Style: QFN
• No. Of Pins: 32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
SIGNAL TIMING REQUIREMENTS
Test Conditions
DBVDD = 3.3V, DCVDD = 1.42 to 3.6V, DGND = 0V, T
otherwise stated.
PARAMETER
System Clock Timing Information
MCLK System clock pulse width high
MCLK System clock pulse width low
MCLK System clock cycle time
Test Conditions
DBVDD = 3.3V, DCVDD = 1.42 to 3.6V, DGND = 0V, T
otherwise stated.
PARAMETER
Audio Data Input Timing Information
ADCLRC propagation delay from BCLK falling edge
ADCDAT propagation delay from BCLK falling edge
SYSTEM CLOCK TIMING
Figure 1 System Clock Timing Requirements
AUDIO INTERFACE TIMING – MASTER MODE
Figure 2 Digital Audio Data Timing – Master Mode (see Control Interface)
AUDIO INTERFACE TIMING – SLAVE MODE
Figure 3 Digital Audio Data Timing – Slave Mode
ADCDAT
ADCLRC
MCLK
BCLK
ADCDAT
ADCLRC
(Output)
(Output)
BCLK
A
A
SYMBOL
t
= +25
= +25
BCH
T
T
T
MCLKH
MCLKL
MCLKY
t
MCLKL
o
o
t
SYMBOL
C, Slave Mode, fs = 48kHz, MCLK = 256fs, 24-bit data, unless
C, Slave Mode fs = 48kHz, MCLK = 256fs, 24-bit data, unless
BCY
t
DD
t
t
MCLKY
t
DDA
DL
t
t
BCL
MCLKH
t
LRH
MIN
MIN
13
13
26
0
0
t
LRSU
t
DL
t
TYP
TYP
DDA
PD, Rev 4.1, April 2009
MAX
MAX
10
10
WM8737L
UNIT
UNIT
ns
ns
ns
ns
ns
11