MC34825EPR2 Freescale Semiconductor, MC34825EPR2 Datasheet - Page 34

• Manufacturer Part Number: MC34825EPR2
• Description: IC USB MINI UNIV CHARGING 20QFN
• Manufacturer: Freescale Semiconductor
• Type: USB Interface ICr

Specifications of MC34825EPR2

• Controller Type: USB Peripheral Controller
• Interface: Micro-USB
• Voltage - Supply: 2.7 V ~ 5.5 V
• Current - Supply: 100mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-UFQFN Exposed Pad
• Usb Version: 2.0
• No. Of Ports: 1
• Supply Voltage Range: 2.7V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• No. Of Pins: 20
• Msl: MSL 3 - 168 Hours
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

be less than 22 nF. A 4.7 nF X5R capacitor is recommended
for the typical application. The OUT pin requires a 1.0
INTERFACE CIRCUIT IN A CELL PHONE
is shown in the
resistors. Typically they are 4.7 kΩ. When the audio outputs
34
34825
TYPICAL APPLICATIONS
TYPICAL APPLICATIONS
When the 34825 is used in a cell phone. The typical circuit
Figure
Baseband
27. The I
USB Xcvr
Audio
UART
GPIO
I
2
C
2
C bus need two pull-up
0.1 µF
V
Figure 27. Interface Circuit in a Cell Phone System
DDIO
*
*
2x4.7 k
V
AIO
2 k
TYPICAL APPLICATIONS
I
I
INT
VDDIO
RxD
TxD
D+
D-
MIC
SPK_L
SPK_R
2
2
C_SDA
C_SCL
μ
F
decoupling capacitor; a 0.01
the VDDIO pin.
of the cell phone baseband or application processor are
direct drive signals, the audio signals can be connected to the
corresponding pins of 34825 directly. Otherwise these
signals need DC-blocking capacitors to remove the DC level.
VBUS
ISET
GND
VDD
OUT
DM
DP
ID
* :
For direct-drive audio output, these DC
blocking capacitors are not needed
1.0 µF
4.7 nF
12 k
Li+
Analog Integrated Circuit Device Data
MC34673
μ
F capacitance is enough for
9.1 k
Freescale Semiconductor
VBUS
GND
D+
D-
SHLD
ID
1.0 µF