MSM7540 Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM7540

Single Rail ADPCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7540/7560

ELECTRICAL CHARACTERISTICS

DC and Digital Interface Characteristics

(VDD = 4.5 V to 5.5 V, Ta = –25°C to +70°C)

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Power Supply Current

Operating Mode,

IDD1 (When no signal, and VDD = 5.0 V) —

12

24 mA

Power Down Mode

IDD2 (When VDD = 5.0 V)

—

0.2

0.5 mA

Input High Voltage

VIH

—

2.2

—

VDD

V

Input Low Voltage

VIL

—

0.0

—

0.6

V

Input Leakage Current

IIH VI = VDD

IIL VI = 0 V

—

—

2.0 mA

—

—

0.5 mA

Output Low Voltage

VOL 1 LSTTL, Pull-up: 500 W

0.0

0.2

0.4

V

Output Leakage Current

IO IS

—

—

10

mA

Input Capacitance

CIN

—

—

5

—

pF

Transmit Analog Interface Characteristics

Parameter

Input Resistance

Output Load Resistance

Output Load Capacitance

Output Amplitude

Input Offset Voltage

SG Output Voltage

SG Output Impedance

SG Rise Time

Symbol

Condition

RINX AIN1, AIN2

RLGX GSX1, GSX2

CLGX GSX1, GSX2

VOGX GSX1, GSX2, RL = 50 kW

VOFGX Pre–OPAMPs

VSG

—

RSG

—

SG´GND 10 mF + 0.1 mF

TSG (Rise time to 90% of max. level)

Min.

10

50

—

—

–20

—

—

—

* –3 dBm (600 W) = 0 dBm0, + 3.14 dBm0 = 2.226 VPP (MSM7540)

–3 dBm (600 W) = 0 dBm0, + 3.17 dBm0 = 2.226 VPP (MSM7560)

Typ.

—

—

—

—

—

1.4

40

700

Max.

—

—

100

*2.226

+20

—

80

Unit

MW

kW

pF

VPP

mV

V

kW

— ms

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