MC145484 Просмотр технического описания (PDF) - Motorola => Freescale

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MC145484

5V PCM Codec-Filter

Motorola => Freescale 

ANALOG ELECTRICAL CHARACTERISTICS (VDD = + 5 V ± 10%, VSS = 0 V, TA = – 40 to + 85°C)

Characteristics

Min

Typ

Input Current

TI+, TI–

—

± 0.1

Input Resistance to VAG (VAG – 0.5 V ≤ Vin ≤ VAG + 0.5 V)

TI+, TI–

10

—

Input Capacitance

TI+, TI–

—

—

Input Offset Voltage of TG Op Amp

TI+, TI–

—

—

Input Common Mode Voltage Range

TI+, TI–

1.2

Input Common Mode Rejection Ratio

TI+, TI–

—

60

Gain Bandwidth Product (10 kHz) of TG Op Amp (RL ≥ 10 kΩ)

DC Open Loop Gain of TG Op Amp (RL ≥ 10 kΩ)

Equivalent Input Noise (C–Message) Between TI+ and TI– at TG

—

3000

—

95

—

– 30

Output Load Capacitance for TG Op Amp

0

—

Output Voltage Range for TG

(RL = 10 kΩ to VAG)

(RL = 2 kΩ to VAG)

Output Current (0.5 V ≤ Vout ≤ VDD – 0.5 V)

Output Load Resistance to VAG

Output Impedance (0 to 3.4 kHz)

0.5

—

1.0

—

TG, RO–

± 1.0

—

TG, RO–

2

—

RO–

—

1

Output Load Capacitance

RO–

0

—

DC Output Offset Voltage of or RO– Referenced to VAG

—

VAG Output Voltage Referenced to VSS (No Load)

VDD/2 – 0.1

VAG Output Current with ± 25 mV Change in Output Voltage

± 2.0

Power Supply Rejection Ratio

(0 to 100 kHz @100 mVrms Applied to VDD,

C–Message Weighting, All Analog Signals

Referenced to VAG Pin)

Transmit

50

Receive

50

Power Drivers PI, PO+, PO–

—

VDD/2

± 10

80

75

Input Current (VAG – 0.5 V ≤ PI ≤ VAG + 0.5 V)

Input Resistance (VAG – 0.5 V ≤ PI ≤ VAG + 0.5 V)

Input Offset Voltage

PI

—

PI

10

PI

—

± 0.05

—

—

Output Offset Voltage of PO+ Relative to PO– (Inverted Unity Gain for PO–)

—

—

Output Current (VSS + 0.7 V ≤ PO+ or PO– ≤ VDD – 0.7 V)

PO+ or PO– Output Resistance (Inverted Unity Gain for PO–)

± 10

—

—

1

Gain Bandwidth Product (10 kHz, Open Loop for PO–)

—

1000

Load Capacitance (PO+ or PO– to VAG, or PO+ to PO–)

0

—

Gain of PO+ Relative to PO– (RL = 300 Ω, + 3 dBm0, 1 kHz)

– 0.2

0

Total Signal to Distortion at PO+ and PO– with a Differential Load of: 300 Ω

45

60

100 nF in series with ≥ 20 Ω

—

40

≥ 100 Ω

—

40

Power Supply Rejection Ratio

(0 to 25 kHz @ 100 mVrms Applied to VDD.

PO– Connected to PI. Differential or Measured

Referenced to VAG Pin.)

0 to 4 kHz

40

55

4 to 25 kHz

—

40

Max

± 1.0

—

10

±5

VDD – 2.0

—

—

—

—

100

VDD – 0.5

VDD – 1.0

—

—

—

500

± 25

VDD/2 + 0.1

—

—

—

Unit

µA

MΩ

pF

mV

V

dB

kHz

dB

dBrnC

pF

V

mA

kΩ

Ω

pF

mV

V

mA

dBC

± 1.0

µA

—

MΩ

± 20

mV

± 50

mV

—

mA

—

Ω

—

kHz

1000

pF

+ 0.2

dB

—

dBC

—

—

—

dB

—

MC145484

12

MOTOROLA

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