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AK5373 Datasheet, PDF (9/53 Pages) Asahi Kasei Microsystems – 24-bit Stereo ADC with USB Interface
[AK5373]
SWITCHING CHARACTERISTICS
(Ta=25°C; AVDD=DVDD=3.3V; CL=50pF)
Parameter
Symbol min
typ
Master Clock Frequency
Crystal Resonator
CKM pin = “L”
fXTAL1
-
16
CKM pin = “H”
fXTAL2
-
24
USB Interface
DP, DN Single Ended Receiver Threshold
(High-Level) VseH
2.0
-
(Low-Level) VseL
-
-
Time Width for USB Reset Signal Recognition
(DP<VseL & DN< VseL to USB Reset mode) Trst_rec 2.7
-
Device Ready Time from USB Reset
(Ready for transaction after reset) Tdrr
-
-
Time Width for Suspend Recognition
(Idle state DP > VseL & DN < VseL to Suspend mode) Tsus_rec 3.0
-
Resume Time from Suspend
(Note 14)
(First flip of DP/DN from Idle sate to Device Ready) Tresm
-
-
USB Transmitter
Data Rate
DR
11.97
12
Output Impedance (Hi)
(Note 15)
(DP, DN pins = “H”, Iout = -10mA)
Roh
-
36
Output Impedance (Lo)
(Note 15)
(DP, DN pins = “L”, Iout = 10mA)
Rol
-
36
“H” level Output Voltage
(Iout = -200µA)
Vohd
2.8
-
“L” level Output Voltage
(Iout = 2.2mA)
Vold
-
-
Tri-state Leakage Current (0 < DP, DN < 3.3V)
Iolk
-10
-
Rise/Fall Time
Trf/Tff
4
12
Rise/Fall Time Matching
Trfm
-
100
Crossover Point
Vcrs
-
1.65
USB Receiver
Common Mode Range
CMR
0.8
-
Differential Input Sensitivity
DIS
200
-
Schmitt High Level Voltage
Vihs
2.0
-
Schmitt Low Level Voltage
Vils
-
-
Note 14. VREF, X’tal oscillator, and PLL get stable and bus transaction with normal rate is ready.
Note 15. Including an external 18Ω (±1%) resistor in series.
max
-
-
-
0.8
-
10
-
30
12.03
-
-
-
0.3
10
20
-
-
2.5
-
-
0.8
Units
MHz
MHz
V
V
μs
ms
ms
ms
MHz
Ω
Ω
V
V
μA
ns
%
V
V
mV
V
V
MS1202-E-00
-9-
2010/06