UPC7073 datasheet(13/20 Pages) NEC

13 / 20 page

µPC7073

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Units

Absolute delay

A-A input signal

0 dBm0

540

µs

characteristics

Absolute delay distortion

A-A

500 Hz

1400

frequency characteristics

600 HZ

700

1000 to 2600 Hz

200

2800 Hz

1400

Intermodulation (2 Tone)

IMD

A-D input signal

44.0

f1, f2: 300 to 3400 Hz

–4 to –21 dBm0

Measured signal: 2

× f1 – f2

level (2

× f1 – f2) vs level (f1, f2)

D-A input signal

44.0

f1, f2: 300 to 3400 Hz

–4 to –21 dBm0

Measured signal: 2

× f1 – f2

level (2

× f1 – f2) vs level (f1, f2)

Single frequency noise

NSF

D-A

–54

dBm0

PAD level set at 0 dB

Measured signal up to f = 256 kHz

Deviation in gain setting

∆DGSX

Difference from A-D reference set value

for transmit channel

Setting value: +7.5 to +3.0 dB

–0.2

+0.2

+3.0 to –3.5 dB

–0.1

+0.1

Gain setting deviation

∆DGSR

Difference from D-A reference set value

for receive chanel

Setting value: 0.0 to –5.0 dB

–0.1

+0.1

–5.0 to –8.5 dB

–0.2

+0.2

Idle circuit noise

ICN24

2W-4W

A-law

Psophometric weighted

–67

dBm0p

µ-law C message weighted

dBrnc0

ICN42

4W-2W

A-law

Psophometric weighted

–76

dBm0p

µ-law C message weighted

dBrnc0

Line to ground balance

RF = 50

Ω

f = 300 to 600 Hz

attenuation

Relative accuracy = 0.5 % f = 600 to 3400 Hz

VBB-PSRR (tone method)

PSRRB

IL = 20 mA

f = 60 to 3400 Hz

f = 100 kHz

–5

VCC-PSRR (tone method)

PSRRC

IL = 20 mA

f = 60 to 3400 Hz

f = 100 kHz

AC induction noise

LFI

IL = 0 mA

VIN = 6 Vrms

dBrnc

resistance

IL = 20 mA

VIN = 15 Vrms

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