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參數(shù)資料
| 型號： | AM79Q021 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Quad Subscriber Line Audio-Processing Circuit (QSLAC) Devices |
| 中文描述： | 四用戶線路音頻處理電路（QSLAC）設備 |
| 文件頁數(shù)： | 12/68頁 |
| 文件大?。?/td> | 1361K |
| 代理商： | AM79Q021 |
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12
Am79Q02/021/031 Data Sheet
ELECTRICAL CHARACTERISTICS
Typical values are for T
A
= 25
°
C and nominal supply voltages. Minimum and maximum values are over the
temperature and supply voltage ranges shown in Operating Ranges.
Notes:
1. The CD1, CD2, C3
–
C5 outputs are resistive for less than a 0.8 V drop. Total current must not exceed absolute maximum ratings.
2. When the digitizer saturates, a resistor of 50 k
±20 k
is connected either to DGND or to VCCD
—
(1 diode drop) as
appropriate to discharge the coupling capacitor.
3. When the QSLAC device is in the Inactive state, the analog output will present either a VREF DC output level through a 15 k
resistor (V
MODE
= 0) or a high impedance (V
MODE
= 1).
4. If there is an external DC path from VOUT to VIN with a gain of G
DC
and the AISN has a gain of h
AISN
, then the output offset
will be multiplied by 1/[1
–
(h
AISN
G
DC
)].
5. Power dissipation in the Inactive state is measured with all digital inputs at V
IH
= V
CC
and V
IL
= DGND and with no load
connected to VOUT
1
, VOUT
2
, VOUT
3
, or VOUT
4
.
Symbol
V
IL
V
IH
I
IL
Parameter Descriptions
Min
Typ
Max
0.8
Unit
Note
Input Low voltage
Input High voltage
Input leakage current
Output Low voltage
CD1
–
C5 (I
OL
= 4 mA)
CD1
–
C5 (I
OL
= 8 mA)
TSCA, TSCB (I
OL
=14 mA)
Other digital outputs (I
OL
= 2 mA)
Output High voltage
CD1
–
C5 (I
OH
= 4 mA)
CD1
–
C5 (I
OH
= 8 mA)
Other digital outputs (I
OH
= 400
μ
A)
Output leakage current (H
I
= Z state)
Analog input voltage range(AX = 0 dB)
(Relative to VREF)(AX = 6.02 dB)
Offset voltage allowed on VIN
Analog input impedance to VREF300 to 3400 Hz
Current into analog input for input voltages between
3.8 V and 5.0 V
Current out of analog input for input voltages between
0 V and 0.5 V
VOUT output impedance
VOUT
output current (F< 3400 Hz)
VREF output impedance (F < 3400 Hz)
VOUT voltage range(AR = 0 dB)
(Relative to VREF)(AR = 6.02 dB)
VOUT offset voltage (AISN off)
VOUT offset voltage (AISN on)
Linearity of AISN circuitry (input = 0 dBm0)
Power dissipation
All channels active
1 channel active
All channels inactive, (in normal state)
All channels inactive (in low power state)
Input capacitance (Digital)
Output capacitance (Digital)
Power supply rejection ratio (1.02 kHz, 100 mV
RMS
, ei-
ther path, GX = GR = 0 dB)
V
2.0
–
10
+10
μ
A
V
OL
0.4
0.8
0.4
0.4
V
1
V
OH
V
CCD
–
0.4 V
V
CCD
–
0.8 V
2.4
–
10
1
I
OL
10
μ
A
V
IR
±1.584
±0.792
Vpk
V
IOS
Z
IN
–
50
0.43
50
3.4
mV
M
I
IP
54
170
μA
2
I
IN
50
170
2
Z
OUT
I
OUT
Z
REF
1
10
4
130
3
–
4
70
mApk
k
V
OR
±1.584
±0.792
Vpk
V
OOS
V
OOSA
LIN
AISN
–
40
–
80
–
0.25
40
80
0.25
mV
4
LSB
PD
200
70
18
6
260
130
25
12
mW
5
C
I
C
O
15
15
pF
PSRR
40
dB
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79Q021JC | 制造商:Advanced Micro Devices 功能描述: 制造商:Advanced Micro Devices 功能描述:PCM CODEC, Quad, 44 Pin, Plastic, PLCC 制造商:Analog Devices 功能描述:PCM CODEC, Quad, 44 Pin, Plastic, PLCC |
| AM79Q021JC/T | 制造商:Advanced Micro Devices 功能描述: |
| AM79Q021VC | 制造商:Advanced Micro Devices 功能描述: |
| AM79Q02JC | 制造商:Advanced Micro Devices 功能描述: |
| AM79Q031 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad Subscriber Line Audio-Processing Circuit (QSLAC) Devices |
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