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ACE9040 Arkusz danych(PDF) 7 Page - Mitel Networks Corporation

Numer części ACE9040
Szczegółowy opis  Audio Processor Advance Information
Download  33 Pages
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Producent  MITEL [Mitel Networks Corporation]
Strona internetowa  http://www.mitel.com
Logo MITEL - Mitel Networks Corporation

ACE9040 Arkusz danych(HTML) 7 Page - Mitel Networks Corporation

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7
ACE9040
ELECTRICAL CHARACTERISTICS
These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1):
T
AMB = – 40 °C to + 85 °C, V
DD = 3.6 V to 5.0 V
Characteristic
Value
Unit
Conditions
Min.
Typ.
Max.
Receive Path
RX Input stage RXSENSE, RXI to RBPO pins
Input bias
V
DD/2
Internally biased to V
DD/2 by 150 kΩ
Nominal gain
7.25
8
8.75
dB
Gain adjustment range
– 6
6.4
dB
Input 40 mVrms at RXI
Gain adjustment step size
0.2
0.4
0.6
dB
RXM = 1, RXSENSE = 0 to 31
RX Audio Bandpass Filter RXBPF
Gain
0
dB
Distortion
1
%THD
At 1 kHz with 40 mVrms input
Noise
– 65
dB
BW= 30 Hz to 30 kHz
Frequency Response
– 90.0
– 45.0
dB
f = 60 Hz
RXSENSE = 0 dB
Relative to 1040 Hz
– 15.0
– 7.0
dB
f = 184 Hz
COMP[1:0] = 00
– 2.0
+ 0.5
dB
f = 430 Hz
– 0.5
+ 0.5
dB
f = 676 Hz, 1040 Hz
– 0.5
+ 0.5
dB
f = 1410 Hz, 1900 Hz
– 3.0
– 0.5
dB
f = 3260 Hz
– 10.0
– 6.0
dB
f = 3500 Hz
– 40.0
– 25.0
dB
f = 4120 Hz
– 40.0
– 25.0
dB
f = 5590 Hz
– 90.0
– 40.0
dB
f = 9900 Hz
RXM mute switch attenuation
– 40
dB
Output switched to V
DD/2 when
muted.
Rx Internal Expander
Gain EXPGAIN: internal
11.8
12.3
12.8
dB
COMP[2:1] = 10
external and bypass
0
dB
COMP[2:1] = 00 or 11
Unity gain level
850
1000
1100
mVrms
= Vref (Unaffected level)
Linearity EIN to EOUT
± 1
dB
EIN = Vref to Vref - 33 dB
(Deviation from 2:1 input/output)
BW = 300 to 3400 Hz
Distortion
2
%THD
1 Vrms
Frequency response
± 0.2
dB
300 to 3400 Hz
Attack time
3
ms
6 dB step (- 4 dB and -10 dB) relative
to the unity gain (Vref) level at 1 kHz
to pin EIN. Output at EOUT.
Decay time
13.5
ms
Attack and delay time levels = 0.57
and 1.5 of final steady state value.
RX Volume Control RXLEVEL
Nominal Gain
– 11
– 12
– 13
dB
RXV[2:0] = 3, RHF = 0 dB
Gain adjustment range
– 9
12
dB
RXV[2:0] = 0 to 7
Gain adjust step size
2
3
4
dB
EARSENSE = 0 dB, Sidetone = 0 dB
RX Handsfree Gain Stage HFATTEN
HFGAIN to EAMP nominal gain
– 0.4
0
0.4
dB
RHF, RVX, EARSENSE = 0 dB,
SD =0
Gain range
– 52.5
– 49
– 45.5
dB
RHF[2:0] = 0 to 7
Gain control step size
6.5
7
7.5
dB
0 to – 21 dB
Gain control step size
5
7
9
dB
– 28 to – 49 dB
RX Line Driver LODRIVE
LO gain
4
5
6
dB
RVX = 0 dB, RHF = 0 dB, HIZ =1
Distortion
2
%THD
1.0 Vrms output
LO mute
– 40
dB
HIZ = 0
Noise
– 80
dBV
BW = 30 Hz to 30 kHz
LOoutput during mute
1.5
V
DD/2
2.1
V
V
DD = 3.6 V


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