Datasheet

PCM2900C
PCM2902C
www.ti.com SBFS039 –SEPTEMBER 2011
ELECTRICAL CHARACTERISTICS
All specifications at T
A
= +25°C, V
BUS
= 5 V, f
S
= 44.1 kHz, f
IN
= 1 kHz, and 16-bit data, unless otherwise noted.
PCM2900C, PCM2902C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DIGITAL INPUT/OUTPUT
Host interface Apply USB Revision 2.0, full speed
Audio data format USB isochronous data format
INPUT LOGIC
D+, D– 2 3.3 VDC
XTI, HID0, HID1,
2.52 3.3 VDC
High-level input
and HID2
V
IH
voltage
SEL0, SEL1 2 5.25 VDC
DIN (PCM2902C) 2.52 5.25 VDC
D+, D– 0.8 VDC
XTI, HID0, HID1,
0.9 VDC
Low-level input
and HID2
V
IL
voltage
SEL0, SEL1 0.8 VDC
DIN (PCM2902C) 0.9 VDC
D+, D–, XTI, SEL0,
±10 μA
SEL1
High-level input
I
IH
HID0, HID1, and V
IN
= 3.3 V
voltage 50 80 μA
HID2
DIN (PCM2902C) 65 100 μA
D+, D–, XTI, SEL0,
±10 μA
SEL1
Low-level input
I
IL
HID0, HID1, and V
IN
= 0 V
voltage ±10 μA
HID2
DIN (PCM2902C) ±10 μA
OUTPUT LOGIC
D+, D– 2.8 VDC
High-level DOUT
V
OH
I
OH
= –4 mA 2.8 VDC
output voltage (PCM2902C)
SSPND I
OH
= –2 mA 2.8 VDC
D+, D– 0.3 VDC
Low-level output DOUT
V
OL
I
OL
= 4 mA 0.5 VDC
voltage (PCM2902C)
SSPND I
OL
= 2 mA 0.5 VDC
CLOCK FREQUENCY
Input clock frequency, XTI 11.994 12 12.008 MHz
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Product Folder Link(s): PCM2900C PCM2902C