TEA1118AT 查看數據表（PDF） - Philips Electronics

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TEA1118AT

Versatile cordless transmisssion circuit

Philips Electronics 

Philips Semiconductors

Versatile cordless transmisssion circuit

Product specification

TEA1118; TEA1118A

2.5

handbook, halfpage

IP

(mA)

2

MBE783

1.5

1

(2)

(1)

0.5

0

0

1

2

3

4

VCC (V)

(1) With RVA resistor.

(2) Without RVA resistor.

Fig.8 Typical current IP available from VCC for

peripheral circuits at Iline = 15 mA.

handbook, halfpage

RCCint VCC

VCCO

Irec

VEE

PERIPHERAL

CIRCUIT

IP

MBE792

Fig.9 VCC voltage supply for peripheral.

LN

handbook, halfpage

LEQ

RP

RCC

619 Ω

Vref

SLPE

RSLPE

20 Ω

VEE

REG

CREG

4.7 µF

VCC

CVCC

100 µF

MBE788

LEQ = CREG × RSLPE × RP.

RP = internal resistance (15.5 kΩ).

Fig.10 Equivalent impedance between LN and VEE.

6.0

handbook, halfpage

Vref

(V)

5.0

MGD176

4.0

3.0

104

(1)

(2)

105

106

107

RVA (Ω)

(1) Influence of RVA on Vref.

(2) Vref without influence of RVA.

Fig.11 Reference voltage adjustment by RVA.

1997 Jul 14

9

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