AKD5373 datasheet(9/53 Pages) AKM

Part #	AKD5373

Description	24-bit Stereo ADC with USB Interface

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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9 / 53 page

[

AK5373]

MS1202-E-00

2010/0

6

- 9 -

SWITCHING CHARACTERISTICS

(Ta=25

°C; AVDD=DVDD=3.3V; CL=50pF)

Parameter

Symbol

min

typ

max

Units

Master Clock Frequency

Crystal Resonator

CKM pin = “L”

fXTAL1

-

16

-

MHz

CKM pin = “H”

fXTAL2

-

24

-

MHz

USB Interface

DP, DN Single Ended Receiver Threshold

(High-Level)

(Low-Level)

VseH

VseL

2.0

-

0.8

V

Time Width for USB Reset Signal Recognition

(DP<VseL & DN< VseL to USB Reset mode)

Trst_rec

2.7

-

μs

Device Ready Time from USB Reset

(Ready for transaction after reset)

Tdrr

-

10

ms

Time Width for Suspend Recognition

(Idle state DP > VseL & DN < VseL to Suspend mode)

Tsus_rec

3.0

-

ms

Resume Time from Suspend

(Note 14)

(First flip of DP/DN from Idle sate to Device Ready)

Tresm

-

30

ms

USB Transmitter

Data Rate

DR

11.97

12

12.03

MHz

Output Impedance (Hi)

(Note 15)

(DP, DN pins = “H”, Iout = -10mA)

Roh

-

36

-

Ω

Output Impedance (Lo)

(Note 15)

(DP, DN pins = “L”, Iout = 10mA)

Rol

-

36

-

Ω

“H” level Output Voltage

(Iout = -200µA)

Vohd

2.8

-

V

“L” level Output Voltage

(Iout = 2.2mA)

Vold

-

0.3

V

Tri-state Leakage Current (0 < DP, DN < 3.3V)

Iolk

-10

-

10

μA

Rise/Fall Time

Trf/Tff

4

12

20

ns

Rise/Fall Time Matching

Trfm

-

100

-

%

Crossover Point

Vcrs

-

1.65

-

V

USB Receiver

Common Mode Range

CMR

0.8

-

2.5

V

Differential Input Sensitivity

DIS

200

-

mV

Schmitt High Level Voltage

Vihs

2.0

-

V

Schmitt Low Level Voltage

Vils

-

0.8

V

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.

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AKD5373 Datasheet(PDF) 9 Page - Asahi Kasei Microsystems

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