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MSM7570-01

Multi-Function ADPCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7570-01

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 No Signal, (VDD = 5.0 V)

—

14

28 mA

IDD2 Power Down Mode, (VDD = 5.0 V) —

0.1

0.2 mA

Input High Voltage

VIH

—

2.2

—

VDD

V

Input Low Voltage

Input Leakage Current

Output Low Voltage

Output Leakage Current

Input Capacitance

Output Resistance

SG Warm-up Time

VIL

—

0.0

—

0.6

V

IIH VI = VDD

—

—

2.0 mA

IIL VI = 0 V

—

—

0.5 mA

VOL 1 LSTTL, Pull-up: 500 W

0.0

0.2

0.4

V

IO IS

—

—

10

mA

CIN

—

—

5

—

pF

ROSG SG

—

25

50

kW

SG´GND 10+0.1 mF

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

700

—

ns

Transmit Analog Interface Characteristics

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

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Input Resistance

RINX AIN1+ , AIN1– , AIN2

10

—

— MW

Output Load Resistance

RLGX GSX1, GSX2

20

—

—

kW

Output Load Capacitance

CLGX GSX1, GSX2

—

—

100 pF

Output Amplitude

VOGX GSX1, GSX2, RL = 20 kW

—

—

*2.226 VPP

Input Offset Voltage

VOFGX Pre–OPAMPs

–20

—

+20 mV

* –3.0 dBm (600 W) = 0 dBm0, + 3.14 dBm0 = 2.226 VPP (A-law)

–3.0 dBm (600 W) = 0 dBm0, + 3.17 dBm0 = 2.226 VPP (m-law)

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