AK5371A Datasheet, PDF (8/32 Pages) Asahi Kasei Microsystems – 2ch A/D Converter with USB I/F

ASAHI KASEI
[AK5371A]
Tsus_rec
VD”H”
D+
D-
RST”H”
PLL
Clock
Tresm
Figure 2. Mode Change with respect to Bus States 2 (Bus transactions)
Transmitter Characteristics
Ta=25°C; VD=3.3V; VSS1=0V; CL=50pF
Parameter
Symbol Pins
Conditions
Min
Typ
Max
Units
Data Rate
DR
DP,DN
11.97
12
12.03
MHz
Output Impedance (Hi)
Roh
DP, DN
DP, DN=”H”
at Iout = -10mA
36
Ω
Output Impedance (Lo)
Rol
DP, DP
DP, DN=”L”
at Iout = 10mA
36
Ω
“H” level Output Voltage
Vohd DP, DN at Iout =-200uA
2.8
V
“L” level Output Voltage
Vold DP, DN at Iout =2.2mA
0.3
V
Tri-state Leakage Current
Iolk DP, DN 0 < DP, DN< 3.3V -10
10
μA
Rise/Fall Time
Trf/Tff DP, DN
4
10
20
ns
Rise/Fall Time Matching
Trfm DP, DN
100
%
Crossover Point
Vcrs DP, DN
1.65
V
Trf
DP, DN
Trs
Tff
Tfs
90%VD
10%VD
Figure 3. Rise/Fall Time
DP, DN
Vcrs
Figure 4. Crossover Point
MS0546-E-00
MS0103-E-00
8
2007/02