TS615_04 datasheet(29/36 Pages) STMICROELECTRONICS

Nome de Peças	TS615

Descrição Electrónicos	DUAL WIDE BAND OPERATIONAL AMPLIFIER WITH HIGH OUTPUT CURRENT

PDF	36 Pages

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Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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29 / 36 page

Power Down Mode Behavior

TS615

29/36

to this signal. This concept is particularly intended for the ADSL-over-voice modems, where the modem in

sleep mode, and must be woken up by the phone call.

Figure 67. Matching in sleep mode

Figure 68. Standby mode. Time On

>Off

Figure 69. Standby mode. Time Off

>On

Figure 70. Standby mode. input/output isolation vs. frequency: AV=+4, Rfb=620Ω,

VCC=±6V, Vout=3Vp

TS615

1:2

Transformer

Line (100

Ω)

Consumption=80

µA

POWER DOWN

Ω

12.5

Ω

12.5

Ω

Ω max.

The system can be waked-up

from the line

Matching

TS615

1:2

Transformer

Line (100

Ω)

Consumption=80

µA

POWER DOWN

Ω

12.5

Ω

12.5

Ω

Ω max.

The system can be waked-up

from the line

Matching

1020

304050

-6

-5

-4

-3

-2

-1

Vout

Vpdw

Disabled Output

Enabled Output

Time (

µs)

012

345

−6

−5

−4

−3

−2

−1

Disabled Output

Enabled Output

Vpdw

Vout

Time (µs)

10k

100k

10M

-130

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

Frequency (Hz)

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