lm49350rl National Semiconductor Corporation, lm49350rl Datasheet - Page 16

• Manufacturer Part Number: lm49350rl
• Description: High Performance Audio Codec Sub-system With A Ground-referenced Stereo Headphone Amplifier & An Ultra Low Emi Class D Loudspeaker Amplifier With Dual I2s/pcm Digital Audio Interfaces
• Manufacturer: National Semiconductor Corporation

www.national.com
PLL
f
DIGITAL AUDIO INTERFACE TIMING
t
t
t
t
t
t
CONTROL INTERFACE TIMING
1
2
3
4
5
6
7
8
9
10
C
IN
BCLKR
BCLKCF
BCLKDS
DL
DST
DHT
B
11.0 Timing Characteristics: DV
apply for R
Symbol
L(SP)
PLL Input Frequency Range
BCK rise time
BCK fall time
BCK duty cycle
WS Propagation Delay from BCK
falling edge
DATA Setup Time to BCK Rising Edge
DATA Hold Time from BCK Rising
Edge
SCL Frequency
Hold Time (repeated START
Condition)
Clock Low Time
Clock High Time
Setup Time for a Repeated START
Condition
Data Hold Time
Data Setup Time
Rise Time of SDA and SCL
Fall Time SDA and SCL
Setup Time for STOP Condition
Bus Free Time Between a STOP and
START Condition
Bus Capacitance
= 8Ω, R
L(HP)
Parameter
= 32Ω, f = 1kHz, unless otherwise specified. Limits apply for T
Minimum MCLK Frequency
Maximum MCLK Frequency
Output
Input
DD
= I/OV
16
Conditions
DD
= 1.8V
(Notes 1, 2)
(Note 6)
Typical
A
= 25°C.
50
LM49350
The following specifications
20+0.1C
15+0.1C
(Note 7)
Limit
400
600
600
300
900
900
100
300
300
600
200
0.5
0.6
1.3
1.3
50
10
10
10
10
3
3
0
B
B
MHz (max)
MHz (min)
kHz (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
pF (min)
pF(max)
(Limits)
ns (min)
ns (min)
μs (min)
μs (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
μs (min)
Units
%