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LM4811 bảng dữ liệu(PDF) 4 Page - Texas Instruments

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LM4811 bảng dữ liệu(HTML) 4 Page - Texas Instruments

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LM4811
SNAS119D – DECEMBER 2000 – REVISED APRIL 2013
www.ti.com
Electrical Characteristics
(1)(2) (continued)
The following specifications apply for VDD = 5V unless otherwise specified, limits apply to TA = 25°C.
LM4811
Units
Parameter
Test Conditions
(Limits)
Typ(3)
Limit (4)
VIL
(CLOCK, UP/DN, SHUTDOWN)
0.4
V (max)
Input Voltage Low
Digital Volume Range
Input referred minimum gain
−33
dB
Input referred maximum gain
+12
dB
Digital Volume Stepsize
All 16 discrete steps
3.0
dB
Stepsize Error
All 16 discrete steps
±0.3
dB
Channel
−to−Channel Volume
All gain settings from
0.15
dB
Tracking Error
−33dB to +12dB
Shutdown Attenuation
Shutdown mode active
−100
dB
Electrical Characteristics
(1) (2)
The following specifications apply for VDD = 3.3V unless otherwise specified, limits apply to TA = 25°C.
LM4811
Units
Parameter
Test Conditions
(Limits)
Typ(3)
Limit (4)
IDD
Supply Current
VIN = 0V, IO = 0A
1.1
mA
ISD
Shutdown Current
VIN = 0V
0.3
µA
VOS
Output Offset Voltage
VIN = 0V
4.0
mV
Po
Output Power
0.1% THD+N; f = 1kHz
RL = 16Ω
40
mW
RL = 32Ω
28
mW
THD+N
Total Harmonic Distortion
PO = 25mW, RL = 32Ω
0.5
%
f = 20Hz to 20kHz
PSRR
Power Supply Rejection Ratio
CB = 1.0µF, VRIPPLE = 100mVPP
60
dB
f = 217Hz
VIH
(CLOCK, UP/DN, SHUTDOWN)
1.4
V (min)
Input Voltage High
VIL
(CLOCK, UP/DN, SHUTDOWN)
0.4
V (max)
Input Voltage Low
Digital Volume Range
Input referred minimum gain
−33
dB
Input referred maximum gain
+12
dB
Digital Volume Stepsize
All 16 discrete steps
3.0
dB
Stepsize Error
All 16 discrete steps
±0.3
dB
Channel
−to−Channel Volume
All gain settings from
0.15
dB
Tracking Error
−33dB to +12dB
Shutdown Attenuation
Shutdown mode active
−100
dB
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
(2)
All voltages are measured with respect to the ground pin, unless otherwise specified.
(3)
Typical specifications are specified at +25°C and represent the most likely parametric norm.
(4)
Tested limits are ensured to TI's AOQL (Average Outgoing Quality Level). Datasheet min/max specification limits are ensured by design,
test, or statistical analysis.
4
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