MC33121 Просмотр технического описания (PDF) - Motorola => Freescale

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Компоненты Описание

производитель

MC33121

Low Voltage Subscriber / Loop Interface Circuit (SLIC)

Motorola => Freescale 

MAXIMUM RATINGS

Characteristic

Symbol

Value

Unit

Supply Voltage

(with respect to VCC)

(with respect to VDG)

Vdc

VEE

VDD

– 60, + 0.5

– 0.5, + 7.0

Voltage

@ PDI, (with respect to VDG)

@ CP, CN

EP, TSI

BP

RSI, EN

BN

Vin

Vdc

– 0.5, + 7.0

VEE – 0.5, VCC + 0.5

VCC – 7.0, VCC + 0.5

VCC – 14, VCC + 0.5

VEE – 0.5, VCC + 14

VEE – 1.0, VEE + 21

Junction Temperature

TJ

150

°C

Storage Temperature

Tstg

– 65 to + 150

°C

* Devices should not be operated at these limits. The “Recommended Operating Conditions” table

provides for actual device operation.

RECOMMENDED OPERATING CONDITIONS

Characteristic

Supply Voltage

(with respect to VCC)

(with respect to VDG)

(with respect to VCC)

(with respect to VCC)

(with respect to VAG)

(with respect to VEE)

(with respect to VCC and VAG)

Loop Current

PDI Input Voltage

Sink Current

ST1

ST2

Transmit Signal Level at Tip & Ring

Receive Signal Level at VRX

Loop Resistance VEE = – 42 V

VEE = – 24 V

External Transistor Beta

Operating Ambient Temperature (See text for derating)

All limits are not necessarily functional concurrently.

Symbol

VEE

VDD

VAG

VDG

VDD

IL

VPDI

IST1L

IST2L

STX

SRX

RL

Hfe

TA

Min

– 42

+ 4.5

– 3.0

– 3.0

– 3.0

—

3.5

15

0

0

0

– 48

– 48

0

0

40

– 40

Typ

– 24

+ 5.0

0

0

0

—

—

—

—

—

—

—

—

—

—

—

—

ELECTRICAL CHARACTERISTICS

(VEE = – 24 V, VDD = + 5.0 V, unless otherwise noted. VCC = VAG = VDG = 0 V, TA = 25°C, see Figure 1.)

Characteristic

Symbol

Min

Typ

POWER SUPPLIES

VEE Current

On Hook (RL > 10 MΩ, VEE = – 42 V)

Off Hook (RL = 0 Ω, VEE = – 42 V)*

VDD Current

On Hook (RL > 10 MΩ, VDD = + 5.5 V)

Off Hook (RL = 0 Ω, VDD = + 5.5 V)

VEE Ripple Rejection

f = 1.0 kHz, @ VTX (4–wire)

f = 1.0 kHz, @ Tip/Ring (2–wire)

VDD Ripple Rejection

f = 1.0 kHz, @ VTX (4–wire)

f = 1.0 kHz, @ Tip/Ring (2–wire)

IEEN

IEEF

IDDN

IDDF

PSRR

– 2.7

– 72

—

4.0

40

40

37

37

– 1.0

– 55

1.4

7.0

62

52

52

48

* Includes loop current.

MC33121

2

Max

– 21.6

+ 5.5

+ 10

+ 7.0

+ 10

47.5

—

50

VDD

1.0

1.0

+ 3.0

+ 3.0

2.0 k

800

500

+ 85

Unit

Vdc

mA

Vdc

mA

dBm

Ω

A/A

°C

Max

Unit

mA

—

– 41

2.7

14

dB

—

—

—

—

MOTOROLA

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