LM4947TLEVAL National Semiconductor, LM4947TLEVAL Datasheet - Page 9

• Manufacturer Part Number: LM4947TLEVAL
• Description: BOARD EVALUATION LM4947TL
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4947TLEVAL

• Amplifier Type: Class D
• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.19W x 1 @ 8 Ohm; 87mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4947
• Lead Free Status / RoHS Status: Not applicable / Not applicable

t
t
t
t
t
V
V
1
2
3
4
5
Symbol
IH
IL
I
The following specifications apply for V
I
The I
ID_ENB pin. The LM4947's two possible I
are of the form 111110X
2
2
C
C Protocol Information
2
C address for the LM4947 is determined using the
(Notes 2, 7)
Clock Period
Clock Setup Time
Data Hold Time
Start Condition Time
Stop Condition Time
SPI Input Voltage High
SPI Input Voltage Low
Parameter
1
0 (binary), where X
DD
= 5V and 3.3V, T
2
C chip addresses
1
= 0, if ID_ADDR
FIGURE 4. I
FIGURE 3. I
A
Conditions
2
= 25°C unless otherwise specified.
C Timing Diagram
2
C Bus Format
9
is logic LOW; and X
interface is used to address a number of chips in a system,
the LM4947's chip address can be changed to avoid any pos-
sible address conflicts.
(Note 4)
Typical
1
= 1, if ID_ENB is logic HIGH. If the I
LM4947
(Note 5)
0.7xI
0.3xI
Limits
V
V
100
100
100
100
2.5
DD
DD
2
2
C
C
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201735f5
µs (max)
(Limits)
ns (min)
ns (min)
ns (min)
ns (min)
V (max)
V (min)
Units
2
C