MT8880C データシートの表示（PDF） - Zarlink Semiconductor Inc

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MT8880C

ISO²-CMOS Integrated DTMF Transceiver

Zarlink Semiconductor Inc 

MT8880C ISO2-CMOS

Electrical Characteristics

Gain Setting Amplifier - Voltages are with respect to ground (VSS) unless otherwise stated, VSS= 0V.

Characteristics

Sym Min Typ Max Units

Test Conditions

1 Input leakage current

2 Input resistance

3 Input offset voltage

4 Power supply rejection

IIN

RIN

10

VOS

PSRR 50

100

nA

MΩ

25

mV

dB

VSS ≤ VIN ≤ VDD

1 kHz

5 Common mode rejection

CMRR 40

dB

6 DC open loop voltage gain

7 Unity gain bandwidth

8 Output voltage swing

AVOL

40

BW 1.0

VO

0.5

VDD-0.5

dB

MHz

V

CL = 20p

CL = 20p

RL ≥ 100 kΩ to VSS

9 Allowable capacitive load (GS)

CL

100

pF

10 Allowable resistive load (GS)

RL

50

kΩ

11 Common mode range

VCM 1.0

VDD-1.0 V

Figures are for design aid only: not guaranteed and not subject to production testing.

Characteristics are over recommended operating conditions unless otherwise stated.

PM>40°

VO = 4Vpp

RL = 50kΩ

MT8880C AC Electrical Characteristics†- Voltages are with respect to ground (VSS) unless otherwise stated.

Characteristics

Sym

Min

Typ‡ Max Units

Notes*

-29

dBm 1,2,3,5,6,9

1

R

X

Valid Input signal levels

(each tone of composite

signal)

27.5

mVRMS 1,2,3,5,6,9

+1

dBm 1,2,3,5,6,9

869 mVRMS 1,2,3,5,6,9

† Characteristics are over recommended operating conditions (unless otherwise stated) using the test circuit shown in Figure 13.

AC Electrical Characteristics† - Voltages are with respect to ground (VSS) unless otherwise stated. fC=3.579545 MHz.

Characteristics

Sym

Min

Typ‡ Max Units

Notes*

1

Positive twist accept

8

dB

2,3,6,9

2

Negative twist accept

8

dB

2,3,6,9

3

Freq. deviation accept

4

R

X

Freq. deviation reject

5

Third tone tolerance

±1.5%±2Hz

±3.5%

-16

2,3,5,9

2,3,5

dB

2,3,4,5,9,10

6

Noise tolerance

-12

dB

2,3,4,5,7,9,10

7

Dial tone tolerance

22

dB

2,3,4,5,8,9,11

† Characteristics are over recommended operating conditions unless otherwise stated.

‡ Typical figures are at 25°C, VDD = 5V, and for design aid only: not guaranteed and not subject to production testing.

* See “Notes” following AC Electrical Characteristics Tables.

14

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