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參數(shù)資料
| 型號： | FX019DW |
| 英文描述： | Digitally Controlled Gain Amplifier |
| 中文描述： | 數(shù)控增益放大器 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大小： | 58K |
| 代理商： | FX019DW |
5
Specification
Absolute Maximum Ratings
Exceeding the maximum rating can result in device damage. Operation of the device outside the operating limits
is not implied.
Supply voltage
Input voltage at any pin (ref V
SS
= 0V)
Sink/source current (supply pins)
(other pins)
Total device dissipation @ T
AMB
25°C
Derating
Operating temperature range:
FX019DW/P
-0.3 to 7.0V
-0.3 to (V
DD
+ 0.3V)
+/- 30mA
+/- 20mA
800mW Max.
10mW/°C
-40°C to +85°C (plastic)
Storage temperature range:
FX019DW/P
-40°C to +85°C (plastic)
Operating Limits
All device characteristics are measured under the following conditions unless otherwise specified:
V
DD
= 5.0V, T
AMB
= 25°C. Audio Level 0dB ref: = 775mVrms. Amplifier Gain Set = 0dB.
Characteristics
See Note
Static Values
Supply Voltage (V
DD
)
Supply Current
Dynamic Values
Control Functions
Input Logic '1'
Input Logic '0'
Digital Input Impedances
Amplifier Stages
(General)
Bandwidth (-3dB)
Output Impedance
Total Harmonic Distortion
Output Noise Level (per stage)
Onset of Clipping
Gain Variation
Interstage Isolation
“Trimmer” Stages
(Ch1 – Ch3)
Gain
Gain per Step (15 in No.)
Step Error
Input Impedance
“Volume” Stage
(Ch4)
Gain
Gain per Step (15 in No.)
Step Error
Input Impedance
Timing
(Figure 4)
Serial Clock "High" Pulse Width (t
PWH
)
Serial Clock "Low" Pulse Width
(t
PWL
)
Data Set-up Time
(t
DS
)
Data Hold Time
(t
DH
)
Load/Latch Pulse Width
(t
LLW
)
Load/Latch Delay
(t
LLD
)
Load/Latch Over
(t
LLO
)
Serial Data Clock Frequency
Notes
1. Gain Set 0dB, Input Level 1kHz -3.0dB (549mVrms).
2. With an a.c short-circuit input, measured in a 30kHz bandwidth.
3. See Figure 3.
4. Over the temperature and supply voltage range.
5. With reference to a 1.0kHz signal.
Min.
Typ.
Max.
Unit
4.5
-
5.0
1.5
5.5
-
V
mA
3.5
–
0.5
–
–
–
V
V
1.5
–
1.0
M
20.0
–
–
–
–
–
–
–
–
-
kHz
k
%
μVrms
Vrms
dB
dB
1.0
0.35
180.0
1.73
–
60.0
1
2
3
4
0.5
400.0
–
0.1
–
-3.0
–
–
100.0
+3.0
–
±0.2
–
dB
dB
dB
k
0.43
–
–
5
-14.0
–
–
50.0
+14.0
–
±0.4
–
dB
dB
dB
k
2.0
–
–
5
250
250
150
50.0
150
200
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ns
ns
ns
ns
ns
ns
ns
MHz
50.0
2.0
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