MT8870 查看數據表（PDF） - Mitel Networks

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MT8870

Integrated DTMF Receiver

Mitel Networks 

ISO2-CMOS MT8870D/MT8870D-1

Absolute Maximum Ratings†

Parameter

Symbol

Min

Max

1 DC Power Supply Voltage

VDD

7

2 Voltage on any pin

VI

VSS-0.3

VDD+0.3

3 Current at any pin (other than supply)

II

10

4 Storage temperature

TSTG

-65

+150

5 Package power dissipation

PD

500

† Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.

Derate above 75 °C at 16 mW / °C. All leads soldered to board.

Units

V

V

mA

°C

mW

Recommended Operating Conditions - Voltages are with respect to ground (VSS) unless otherwise stated.

Parameter

Sym Min

Typ‡

Max Units

Test Conditions

1 DC Power Supply Voltage

2 Operating Temperature

3 Crystal/Clock Frequency

VDD 4.75

5.0

5.25

V

TO

-40

+85 °C

fc

3.579545

MHz

4 Crystal/Clock Freq.Tolerance

∆fc

±0.1

%

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

DC Electrical Characteristics - VDD=5.0V± 5%, VSS=0V, -40°C ≤ TO ≤ +85°C, unless otherwise stated.

Characteristics

Sym Min Typ‡ Max Units

Test Conditions

1 S Standby supply current

U

2 P Operating supply current

P

3 L Power consumption

Y

IDDQ

IDD

PO

10

25

µA PWDN=VDD

3.0

9.0

mA

15

mW fc=3.579545 MHz

4

High level input

5

Low level input voltage

VIH

3.5

VIL

V VDD=5.0V

1.5

V VDD=5.0V

6 I Input leakage current

7 N Pull up (source) current

P

U

8 T Pull down (sink) current

S

IIH/IIL

ISO

ISI

0.1

7.5

20

15

45

µA VIN=VSS or VDD

µA TOE (pin 10)=0,

VDD=5.0V

µA INH=5.0V, PWDN=5.0V,

VDD=5.0V

9

Input impedance (IN+, IN-)

RIN

10

MΩ @ 1 kHz

10

Steering threshold voltage

VTSt

2.2

2.4

2.5

V VDD = 5.0V

11

Low level output voltage

VOL

VSS+0.03 V No load

12 O High level output voltage

U

VOH VDD-0.03

V No load

13 T Output low (sink) current

P

IOL

1.0

2.5

mA VOUT=0.4 V

14 U Output high (source) current IOH

0.4

0.8

mA VOUT=4.6 V

T

15 S VRef output voltage

VRef

2.3

2.5

2.7

V No load, VDD = 5.0V

16

VRef output resistance

ROR

1

kΩ

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

4-17

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