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參數(shù)資料
| 型號： | ACE9040 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Audio Processor Advance Information |
| 中文描述： | 音頻處理器進展信息 |
| 文件頁數(shù)： | 7/33頁 |
| 文件大小： | 335K |
| 代理商： | ACE9040 |
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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
Typ.
Unit
Conditions
Min.
Max.
Receive Path
RX Input stage RXSENSE, RXI to RBPO pins
Input bias
Nominal gain
Gain adjustment range
Gain adjustment step size
RX Audio Bandpass Filter RXBPF
Gain
Distortion
Noise
Frequency Response
Relative to 1040 Hz
V
DD
/2
8
Internally biased to V
DD
/2 by 150 k
7.25
– 6
0.2
8.75
6.4
0.6
dB
dB
dB
Input 40 mVrms at RXI
RXM = 1, RXSENSE = 0 to 31
0.4
0
dB
1
%THD
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
At 1 kHz with 40 mVrms input
BW= 30 Hz to 30 kHz
f = 60 Hz RXSENSE = 0 dB
f = 184 Hz
COMP[1:0] = 00
f = 430 Hz
f = 676 Hz, 1040 Hz
f = 1410 Hz, 1900 Hz
f = 3260 Hz
f = 3500 Hz
f = 4120 Hz
f = 5590 Hz
f = 9900 Hz
Output switched to V
DD
/2 when
muted.
– 65
– 45.0
– 7.0
+ 0.5
+ 0.5
+ 0.5
– 0.5
– 6.0
– 25.0
– 25.0
– 40.0
– 40
– 90.0
– 15.0
– 2.0
– 0.5
– 0.5
– 3.0
– 10.0
– 40.0
– 40.0
– 90.0
RXM mute switch attenuation
Rx Internal Expander
Gain EXPGAIN: internal
external and bypass
Unity gain level
Linearity EIN to EOUT
(Deviation from 2:1 input/output)
Distortion
Frequency response
Attack time
11.8
12.3
0
1000
12.8
dB
dB
COMP[2:1] = 10
COMP[2:1] = 00 or 11
= Vref (Unaffected level)
EIN = Vref to Vref - 33 dB
BW = 300 to 3400 Hz
1 Vrms
300 to 3400 Hz
6 dB step (- 4 dB and -10 dB) relative
to the unity gain (Vref) level at 1 kHz
to pin EIN. Output at EOUT.
Attack and delay time levels = 0.57
and 1.5 of final steady state value.
850
1100
±
1
mVrms
dB
2
%THD
dB
ms
±
0.2
3
Decay time
13.5
ms
RX Volume Control RXLEVEL
Nominal Gain
Gain adjustment range
Gain adjust step size
RX Handsfree Gain Stage HFATTEN
HFGAIN to EAMP nominal gain
– 11
– 9
2
– 12
– 13
12
4
dB
dB
dB
RXV[2:0] = 3, RHF = 0 dB
RXV[2:0] = 0 to 7
EARSENSE = 0 dB, Sidetone = 0 dB
3
– 0.4
0
0.4
dB
RHF, RVX, EARSENSE = 0 dB,
SD =0
RHF[2:0] = 0 to 7
0 to – 21 dB
– 28 to – 49 dB
Gain range
Gain control step size
Gain control step size
RX Line Driver LODRIVE
LO gain
Distortion
LO mute
Noise
LOoutput during mute
– 52.5
6.5
5
– 49
7
7
– 45.5
7.5
9
dB
dB
dB
4
5
6
2
dB
RVX = 0 dB, RHF = 0 dB, HIZ =1
1.0 Vrms output
HIZ = 0
BW = 30 Hz to 30 kHz
V
DD
= 3.6 V
%THD
dB
dBV
V
– 40
– 80
2.1
1.5
V
DD
/2
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