TEA6101 데이터 시트보기 (PDF) - Philips Electronics

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TEA6101

Antenna diversity circuit

Philips Electronics 

Philips Semiconductors

Antenna diversity circuit

Objective specification

TEA6101/T

AC CHARACTERISTICS

VP = 8.5 V; Tamb = 25 °C; unless otherwise specified

SYMBOL

PARAMETER

CONDITIONS

Mute

SOFT MUTE (VL)

ZI

input impedance (pin 3 (3))

MR

mute range

note 1

Vaud/VI

mute gain

VL = 2.75 V

VL = 1.45 V

HARD MUTE (VMUTE)

Vmute

+Im

−Im

THD

−60 dB output attenuation

mute ON sink current

mute `OFF` source current

total harmonic distortion

VI(p-p)

audio input voltage

Vmute = 1 V, VL = 0 V

Vmute = 0 V

Vi = 200 mV; VL = 2.5 V

THD > 10%

(peak-to-peak value)

(S+N)/N

Vaud/Vp

Vref

Voff1

signal-to-noise ratio; measured with

dB(A) curve

ripple rejection

output reference voltage

audio comparator offset voltage

Vaud = 600 mV; 1 kHz;

VL = 3 V

note 2; 300 Hz; 100 mV;

VL = 2.5 V

Voff1 = Vmin − Vap

with priority

with no priority

Vt = 0 V

Vt = 3 V

Level comparator

Vref−Vil

t

voltage for high comparator output

monostable multivibrator time

period

started with both

comparator outputs HIGH

Timing/memory

−It

source current

Ct

value delay capacitor

Tt

timing duration

+It

reset current

Vt

change of priority antenna

Antenna switch outputs

−Ios

output source current

+Ios

output sink current

Ct = 47 nF

Vt = 3 V

MIN.

−

17

−

−1

−

−

3

−

−

−

28

−

−

−

−

−

16

−

−

−

−

−

−

−

TYP.

20

19.3

2.7

0.6

455

370

−

0.09

3

95

32

5.3

+250

−1100

−348

56

21

30

−

6

17.7

3.7

−

−

MAX. UNIT

−

kΩ

−

V

−

dB

2

dB

−

mV

−

µA

−

µA

−

%

−

V

−

dB

−

dB

−

V

−

mV

−

mV

−

mV

−

mV

28

µs

−

µA

50

nF

−

ms

−

mA

−

V

7

mA

7

mA

May 1992

8

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