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Fabricante

MSM7570L-01TS-K

Multi-Function ADPCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7570L-01/02

ELECTRICAL CHARACTERISTICS

DC and Digital Interface Characteristics

(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Power Supply Current

Operating Mode,

IDD1 No Signal, (VDD = 3.0 V)

—

7

14 mA

IDD2 Power Down Mode, (VDD = 3.0 V) —

0.1

0.2 mA

Input High Voltage

0.45

VIH

—

—

¥ VDD

VDD

V

Input Low Voltage

VIL

—

0.16

0.0

—

V

¥ VDD

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

Output Resistance

ROSG SG

—

25

50

kW

SG Warm-up Time

SG´GND 10 + 0.1 mF

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

700

—

ns

Transmit Analog Interface Characteristics

(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Input Resistance

Output Load Resistance

Output Load Capacitance

Output Amplitude

Input Offset Voltage

RINX

RLGX

CLGX

VOGX

VOFGX

AIN1+ , AIN1– , AIN2

GSX1, GSX2

GSX1, GSX2

GSX1, GSX2, RL = 20 kW

Pre–OPAMPs

10

—

— MW

20

—

—

kW

—

—

100 pF

—

—

*1.30 VPP

–20

—

+20 mV

* –7.7 dBm (600 W) = 0 dBm0, + 3.14 dBm0 = 1.30 VPP (A-law)

–7.7 dBm (600 W) = 0 dBm0, + 3.17 dBm0 = 1.30 VPP (m-law)

11/26

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