WM9090ECS/R Wolfson Microelectronics, WM9090ECS/R Datasheet - Page 12
WM9090ECS/R
Manufacturer Part Number
WM9090ECS/R
Description
Audio CODECs Audio Subsystem w/ capless headphones
Manufacturer
Wolfson Microelectronics
Specifications of WM9090ECS/R
Interface Type
2-Wire, l2C
Thd Plus Noise
80 dB
Ic Function
Ultra Low Power Audio Subsystem
Brief Features
Mono Class D Speaker Driver, Automatic Gain Control (AGC)
Supply Voltage Range
2.7V To 5.5V
Operating Temperature Range
-40°C To +85°C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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WM9090
w
CONTROL INTERFACE TIMING
Figure 2 Control Interface Timing
Test Conditions
SPKVDD = 3.6V, AVDD=1.8V, GND=0V, T
SCLK Frequency
SCLK Low Pulse-Width
SCLK High Pulse-Width
Hold Time (Start Condition)
Setup Time (Start Condition)
Data Setup Time
SDA, SCLK Rise Time
SDA, SCLK Fall Time
Setup Time (Stop Condition)
Data Hold Time
Pulse width of spikes that will be suppressed
(input)
SCLK
SDA
PARAMETER
START
t
4
t
3
A
t
= +25
2
o
C, 1kHz signal, PGA gain = 0dB unless otherwise stated
t
1
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
ps
7
1
2
3
4
5
6
7
8
9
t
6
1300
MIN
600
600
600
100
600
0
t
5
TYP
t
9
PP, January 2010, Rev 3.0
MAX
400
300
300
900
5
t
8
Pre-Production
STOP
UNIT
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
12
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