LUCL9216BGF-DT 参数 Datasheet PDF下载

Preliminary Data Sheet

September 2001

L9216B/H

High-Voltage Ringing SLIC with Ground Start

ac Applications

(continued)

Design Examples

(continued)

Blocking Capacitors

R

TGS

C

GS

R

x

–I

T/R

318.25

R

GX

= 4750

Ω

0.1

µF

20

VTX

TXI

VITR

R

T6

C

B1

–

+

CODEC

OP AMP

C

N

R

N1

RCVN

RCVP

R

N2

R

RCV

R

GP

R

T3

R

HB

C

B2

2.5 V

CODEC

OUTPUT

DRIVE

AMP

5-6401.M (F)

Figure 24. ac Interface Using First-Generation Codec (Including Blocking Capacitors) for Complex Termi-

nation Impedance

V

BAT1

C

BAT1

D

BAT1

C

RT

0.1

µF

R

RT

383 kΩ

FUSIBLE

OR PTC

30

Ω

V

BAT1

AGERE

L7591

V

BAT2

V

CC

C

BAT2

0.1

µF

C

CC

0.1

µF

AGND

ICM

RGDET

ground key

not used

0.1

µF

V

BAT1

RTFLT

BGND

V

BAT2

V

CC

ITR

R

GX

4750

Ω

VTX

R

TGS

1.74 kΩ

C

GS

12 nF

DCOUT

PR

TXI

C

TX

0.1

µF

C

C1

R

T6

40.6 kΩ 0.1

µF

R

X

113 kΩ

GSX

30

Ω

FUSIBLE

OR PTC

L9216B

PT

VITR

C

N

120 pF

VFXIN

R

T3

R

HB1

49.9 kΩ 113 kΩ

R

RCV

–

DX

+

+2.4 V

VFRO

DR

FSE

FSEP

MCLK

SYNC

AND

CLOCK

PCM

HIGHWAY

V

PROG

RCVP

R

N1

127

kΩ

59.0 kΩ

C

C2

0.1

µF

V

REF

rate of battery

reversal not

ramped

RCVN

R

GP

54.9 kΩ

R

N2

V

REF

47.5 kΩ

V

REF

CF1

C

F1

CF2

FB1 FB2

NSTAT B2

B1

B0

RING

IN

C

RING

0.47

µF

ASEL

CONTROL

INPUTS

0.22

µF

C

F2

0.1

µF

FROM/TO CONTROL

RING

1/4 T7504

CODEC

Figure 25. Agere T7504 First-Generation Codec Complex Termination

Agere Systems Inc.

39