73M2901 Просмотр технического описания (PDF) - TDK Corporation

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73M2901

Advanced Single Chip Modem

TDK Corporation 

73M2901/5V

Advanced Single

Chip Modem

ELECTRICAL SPECIFICATIONS (continued)

RECEIVER (continued)

PARAMETER

TEST CONDITION

Input Impedance RXA

Receive Gain

Boost

SFR 96h bit 2 (Rxgain) = 1

Maximum Input

Level at RXA

VREF=1.25V

VREF=2.25V

Total Harmonic

Distortion (THD)

1kHz 450mV-pk on RXA

THD = 2nd and 3rd harmonic.

MIN NOM MAX UNITS

150

---

---

kΩ

2.7

3.0

3.3

dB

0.587 Vpk

1.069 Vpk

-70

-50

dB

DC CHARACTERISTICS

PARAMETER

Input Low Voltage

(Except OSCIN,RESET)

Input Low Voltage

OSCIN,RESET

Input High Voltage

(Except OSCIN,RESET)

Input High Voltage

OSCIN,RESET

Output Low Voltage

(Except OSCOUT)

Output Low Voltage

OSCOUT

Output High Voltage

(Except OSCOUT)

Output High Voltage

OSCOUT

Input Leakage Current

(Except OSCIN)

Input Leakage Current

OSCIN

SYMBOL

VIL

VIL

VIH

VIH

VOL

VOLOSC

VOH

VOHOSC

IIH

IIH

CONDITION

IOL = 4mA

IOL = 3.0mA

IOH = -4mA

IOH =-3.0mA

Vss < Vin < Vcc

Vss < Vin < Vcc

MIN

-0.5

-0.5

0.5 Vcc

0.7 Vcc

NOM

Vcc – 0.45

Vcc – 0.9

1

MAX

0.2Vcc

0.2 Vcc

Vcc + 0.5

Vcc + 0.5

0.45

0.7

1

30

UNIT

V

V

V

V

V

V

V

V

µA

µA

8

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