MC33219A datasheet(3/28 Pages) MOTOROLA

Part #	MC33219A

Description	Voice Switched Speakerphone

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Manufacturer	MOTOROLA [Motorola, Inc]

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MC33219A

3

MOTOROLA ANALOG IC DEVICE DATA

ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 5.0 V, CD ≤ 0.8 V, unless noted. See Figure 2.)

Characteristic

Symbol

Min

Typ

Max

Unit

ATTENUATORS

Receive Attenuator Gain (f = 1.0 kHz)

dB

Full Volume

Rx Mode

GRX

3.0

6.7

9.0

Tx Mode

GRXT

– 49

– 46

– 43

Idle Mode

GRXI

– 28

– 25

– 22

Range (Rx to Tx Mode)

∆GRX

50

53

56

Volume Control Range

(Rx Mode Only, VLC Varied from VB to (VB – 1.0 V))

VCR

34

40

46

dB

AGC Attenuation Range

(VCC = 3.5 to 2.7 V, Receive Mode Only, VLC = VB)

GAGC

20

26

36

dB

Transmit Attenuator Gain (f = 1.0 kHz)

dB

Tx Mode

GTX

3.0

6.7

9.0

Rx Mode

GTXR

– 49

– 46

– 43

Idle Mode

GTXI

–19

–16

–13

Range (Tx to Rx Mode)

∆GTX

50

53

56

RAO, TAO Output Current Capability

VCC ≥ 3.0 V

VCC < 3.0 V

IOATT

–

2.5

0.7

–

mA peak

RAO Offset Voltage with Respect to VB

VRAO

mVdc

Rx Mode

–

120

–

Idle Mode

–

0

–

Tx Mode

–

–10

–

TAO Offset Voltage with Respect to VB

VTAO

mVdc

Rx Mode

–

0

–

Idle Mode

–

– 8.0

–

Tx Mode

–

70

–

RAI, TAI Input Impedance (Vin < 300 mVrms)

RINATT

–

100

–

k

Ω

RAI, TAI Input Offset Voltage with Respect to VB

VINATT

–

0

–

mVdc

MICROPHONE AMPLIFIER (Pins 20, 21)

Output Offset with Respect to VB (RF = 300 kΩ)

MCOVOS

–

– 9.0

–

mVdc

Input Bias Current (Pin 20)

IMBIAS

–

– 30

–

nA

Open Loop Gain (f < 100 Hz)

VVOLM

–

70

–

dB

Gain Bandwidth

GBWM

–

1.5

–

MHz

Maximum Output Voltage Swing (1% THD)

VOMAX

–

4.1

–

Vp–p

Maximum Output Current Capability

IOMCO

–

2.0

–

mA peak

Muting (

∆ Gain) –

RF = 300 k

Ω

RF = 100 k

Ω

GMT

70

–

78

68

–

dB

RECEIVE AMPLIFIER (Pins 16, 17)

Output Offset with Respect to VB (RF = 10 kΩ)

RXOVOS

–

– 1.0

–

mVdc

Input Bias Current (Pin 17)

IRBIAS

–

– 30

–

nA

Open Loop Gain (f < 100 Hz)

AVOLR

–

70

–

dB

Gain Bandwidth

GBWR

–

1.5

–

MHz

Maximum Output Voltage Swing (1% THD)

VOMAX

–

4.1

–

Vp–p

Maximum Output Current Capability

IORXO

–

2.0

–

mA peak

Freescale Semiconductor, Inc.

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