bu94702kv ROHM Co. Ltd., bu94702kv Datasheet - Page 2

• Manufacturer Part Number: bu94702kv
• Description: Usb Host + Mp3 Encoder + Wav/aac/wma/mp3 Decoder Lsi
• Manufacturer: ROHM Co. Ltd.

◇Electrical characteristics
（Unless specified, Ta=25℃、VDD1=3.3V, DVSS=AVSSC=VSS_PLL=DAVSS=0V, XIN_PLL=16.9344MHz）
<Total >
Circuit current (VDD1 USB1) IDD1USB1
Circuit current (VDD1 SD1)
<Digital block>
H-Level input voltage
L-Level input voltage
H-Level output voltage1
L-Level output voltage1
L-Level output voltage2
H-Level output voltage3
L-Level output voltage3
H-Level output voltage4
L-Level output voltage4
<USB-HOST >
H-Level input voltage
L-Level input voltage
Output impedance(H)
Output impedance(L)
H-Level output voltage
L-Level output voltage
Rise/Fall time
Voltage of crossing point
Range of differential input
Differential input sensitivity
Pull-down resistance
<Audio DAC>
Distortion rate
Dynamic range
S/N ratio
Max output level
*1 3.3V system I/O, Analog Power supply(VDD1), 1kHz, 0dB, sine-wave playing
*3 1, 3, 4-9, 14-23, 29, 31-32, 34-35, 61-63, 71-76 pin
*4 9, 11-12, 14-15, 18-20, 30, 36, 58-60, 61-67, 69-70 pin
*5 2, 3, 17 pin
*6 24-26, 28, 29 pin
*7 49 pin
*8 41, 42 pin
*9 53, 55 pin
Parameter
IDD1SD1
VOHUSB
VOLUSB
VIHUSB
VILUSB
VSENS
VSMAX
Symbol
VDIFF
VCRS
VOH1
VOH3
VOH4
VOL1
VOL2
VOL3
VOL4
ZOH
RPD
Tr/Tf
THD
ZOL
VIH
S/N
VIL
DR
VDD1*0.7
VDD1*0.6
VDD1-0.4
VDD1-0.4
VDD1-1.0
VDD1-0.5
AVSSC
DVSS
14.25
MIN.
22.0
22.0
0.8
0.2
－
－
－
－
－
－
0
0
0
0
0
-
-
VDD1/2
Limits
0.005
TYP.
45.0
45.0
20.0
0.67
60
35
11
90
95
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
REV. A
VDD1*0.3
VDD1*0.3
VDD1
VDD1
VDD1
VDD1
VDD1
VDD1
MAX.
60.0
60.0
24.8
0.4
0.4
0.4
1.0
0.3
2.5
90
60
－
－
－
－
－
－
－
Vrms
Unit
mA
mA
kΩ
dB
dB
Ω
Ω
ns
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
*1 When USB memory is played.
*1 When SD card is played.
*3
*3
IOH=-1.6mA, *4
IOL=1.6mA. *4
IOL=3.6mA, *5
IOH=-0.6mA, *6
IOL=0.6mA, *6
IOH=-0.6mA, *7
IOL=0.6mA, *7
*8
*8
*8
*8
*8
*8
*8, Output capacity 50pF
*8, Output capacity 50pF
*8
*8
*8
1kHz, 0dB, sine, *9
1kHz, -60dB, sine, *9
*9
1kHz, 0dB, sine, *9
Condition
2/5