Datasheet

211
4341H–MP3–10/07
AT8xC51SND2C/MP3B
V
DD
= 2.7 to 3.3 V, T
A
= -40 to +85°C
24.2.4 USB Connection
24.2.4.1 Schematic
Figure 24-6. USB Connection
24.2.4.2 Parameters
Table 24-5. USB Termination Characteristics
V
DD
= 3 to 3.3 V, T
A
= -40 to +85°C
24.2.5 DAC and PA
24.2.6 Electrical Specifications
24.2.6.1 PA
AUDVBAT = 3.6V, TA = 25°C unless otherwise noted.
High power mode, 100nF capacitor connected between CBP and AUDVSS, 470nF input capac-
itors, Load = 8 ohms.
Figure 24-7. PA Specification
Symbol Parameter Min Typ Max Unit
R Filter Resistor 100 Ω
C1 Filter Capacitance 1 10 nF
C2 Filter Capacitance 2 2.2 nF
D+
D-
VBUS
GND
D+
D-
VSS
To Power
R
USB
R
USB
VDD
Supply
R
FS
Symbol Parameter Min Typ Max Unit
R
USB
USB Termination Resistor 27 Ω
R
FS
USB Full Speed Resistor 1.5 K Ω
Symbol Parameter Conditions Min Typ Max Unit
AUDVBA
T
Supply Voltage 3.2 - 5.5 V
I
DD
Quiescent Current Inputs shorted, no load - 6 8 mA
I
DDstby
Standby Current Capacitance - - 2 µ A
V
CBP
DC Reference -
AUDVBA
T/2
- V