MAS9090BS datasheet(8/30 Pages) MICRONAS

8 / 30 page

DA9090B.001

January 14, 1998

TRANSMISSION CHARACTERISTICS

x Absolute levels at MIC1/MIC2/MIC3

(VCC = 2.7-3.6V or 4.5-5.5V, TA = -30°C to +85°C, unless otherwise specified)

Parameter

Conditions

Min

Typ

Max

Unit

0 dBm0 level

Transmit amps connected for 20 dB gain

49.26

mVRMS

Overload level

70.71

mVRMS

0 dBm0 level

Transmit amps connected for 42.5 dB gain

3.694

mVRMS

Overload level

5.302

mVRMS

x Absolute levels at SP1 / SP2 (differentially measured)

(VCC = 2.7-3.6V or 4.5-5.5V, TA = -30°C to +85°C, unless otherwise specified)

Parameter

Conditions

Min

Typ

Max

Unit

0 dBm0 level

Receive gains = 0 dB

1.965

VRMS

0 dBm0 level

Receive gains = -30 dB

61.85

mVRMS

x Transmit path amplitude response

(VCC = 2.7-3.6V or 4.5-5.5V, TA = -30°C to +85°C, unless otherwise specified)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Transmit gain absolute

accuracy, HPT = 0

HPT = 1

GXA

gain

set

maximum,

measure deviation of digital PCM

code from ideal 0 dBm0 PCM

code at TX

-0.5

-0.4

0.1

0.5

0.6

Transmit gain variation

with programmed gain

GXAG

Measure TX gain over the range

(from max to min). Calculate the

deviation from the programmed

gain relative to GXA, i.e. GXAG =

Gactual - Gprog - GXA

-0.5

0.5

Transmit gain variation

with temperature

GXAT

Measured relative to GXA

min. gain < GX < max. gain

-0.1

0.1

Transmit gain variation

with supply

GXAV

Measured relative to GXA

GX = maximum gain

-0.1

0.1

Transmit gain variation

with frequency

GXAF

Relative

1.015625

kHz,

multitone test technique used

min. gain < GX < max. gain

HPT=0

f = 60 Hz

-34

-33

f = 100 Hz

-36

-35

f = 200 Hz

-11

-10

f = 300 Hz

-1.5

-0.7

0.5

f = 400 Hz to 3000 Hz

-0.5

0.5

f = 3400 Hz

-1.5

-1.3

0.0

f = 4000 Hz

-17

-16

f = 4600 Hz

-62

-61

f = 8000 Hz

-68

-67

HPT=1

f = 60 Hz to 3000 Hz

f = 3000 to 8000 Hz, see HPT=0

-0.5

0.5

Transmit gain variation

with signal level

GXAL

Sinusoidal test method

reference level = -10 dBm0

VMIC = -40 dBm0 to +3.0 dBm0

-0.5

0.5

VMIC = -50 dBm0 to -40 dBm0

-0.5

0.5

VMIC = -55 dBm0 to -50 dBm0

-1.2

1.2

Tone

Generator

gain

absolute accuracy

GXTONE

Measure deviation of digital PCM

code from ideal 0dBm0 PCM

code at TX

-0.3

0.6

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