TCA3388DP datasheet(3/16 Pages) MOTOROLA

Part #	TCA3388DP

Description	TELEPHONE LINE INTERFACE

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Manufacturer	MOTOROLA [Motorola, Inc]

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TCA3388

3

MOTOROLA ANALOG IC DEVICE DATA

DC ELECTRICAL CHARACTERISTICS (continued) (TA = 25°C)

Characteristic

Unit

Max

Typ

Min

Symbol

SPEECH AMPLIFIERS

HYL and HYS DC Bias Voltage

Vdc

Normal Mode

VHY1

–

2.4

–

PI = High

VHY2

–

1.4

–

Microphone Amplifier DC Bias at TXI

VTXI

–

1.45

–

Vdc

Saturation Voltage at Mic @ 1.0 mA

VMic

–

250

300

mV

Leakage Current into Mic @ 3.7 V

ILeak

–

2.0

µA

HOOK STATUS OUTPUT (Pin 13)

High Level Voltage @ – 5.0

µA Load Current, Off–Hook, VSAI = Max

VHSOH

2.7

2.9

–

Vdc

Maximum Load Current

µA

Normal Mode

IHSOL

–

5.0

PABX Mode

IHSOH

20

–

Low Level Voltage @ + 5.0

µA Load Current, VSAI = – 5.0 mV

Vdc

Normal On–Hook

VHSOL

–

0.60

PI = High

VHSOLPI

2.7

2.9

–

Time Delay from On–Hook or Off–Hook

TDel

–

3.5

–

ms

PULSE INPUT (Pin 14)

Input Impedance

ZPI

–

160

–

k

Ω

DC Bias Voltage

VPIL

–

1.4

–

Vdc

Input Current

µA

Make Phase

IPIL

–1.0

–

1.0

Break Phase

IPIH

–10

–

10

MUTE INPUT (Pin 15)

Input Impedance

ZMI

–

160

–

k

Ω

DC Bias Voltage

VMI

–

1.4

–

Vdc

Input Current

µA

Speech Mode

IMIL

–1.0

–

1.0

Mute Mode

IMIH

–10

–

10

DC MASK CHARACTERISTICS

French

Internal Slope

RI

120

160

200

mV/

µA

Voltage on SAI (I2C = 3.6

µA)

VC

0.40

0.47

–

Vdc

Voltage on SAI (I2D = 4.0

µA)

VD

–

0.49

0.57

Vdc

Delta Offset Voltage on SAI (I2E = 30

µA)

VE–VD

–

30

mV

U.K.

Internal Slope

RI

210

260

310

mV/

µA

Voltage on SAI (I2C = 3.5

µA)

VC

0.59

0.70

–

Vdc

Voltage on SAI (I2D = 3.9

µA)

VD

–

0.72

0.83

Vdc

Delta Offset Voltage on SAI (I2E = 30

µA)

VE–VD

–

20

50

mV

Low Voltage Mode

Internal Slope

RI

100

125

150

mV/

µA

Voltage on SAI (I2C = 13

µA)

VC

1.0

1.2

–

Vdc

Voltage on SAI (I2D = 15

µA)

VD

–

1.3

1.55

Vdc

Delta Offset Voltage on SAI (I2E = 20

µA)

VE–VD

–

100

mV

Overvoltage Protection Threshold (VLAI – VSAO)

VClamp1

mV

French and U.K. DC Masks

530

580

650

Low Voltage DC Mask

280

–

385

Protection Voltage Level (VLAI – VSAO)

VClamp2

mV

French and U.K. DC Masks

350

–

440

Low Voltage DC Mask

280

–

440

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