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LM48822TL Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM48822TL
Description  Ground-Referenced, Ultra High PSRR, Ultra Low Noise, 35mW/Channel Stereo Headphone Amplifier with CommonMode Sense, and I2C Volume Control
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM48822TL Datasheet(HTML) 5 Page - National Semiconductor (TI)

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Symbol
Parameter
Conditions
LM48822
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
R
OUT
Output Impedance
Charge pump-only mode enabled
40
25
k
Ω (min)
V
OUT
Maximum Voltage Swing
Voltage applied to amplifier outputs in
charge pump-only mode
2
V
RMS (min)
I2C Interface Characteristics V
DD = 3.6V (Notes 1, 2)
The following specifications apply for A
V = 0dB, RL = 16Ω, f = 1kHz, unless otherwise specified. Limits apply to TA = 25°C.
Symbol
Parameter
Conditions
LM48822
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
t
1
SCL Period
2.5
μs (min)
t
2
SDA Setup Time
100
ns (min)
t
3
SDA Stable Time
0
ns (min)
t
4
Start Condition Time
100
ns (min)
t
5
Stop Condition Time
100
ns (min)
V
IH
Input High Voltage
1.3
V (min)
V
IL
Input Low Voltage
0.4
V (max)
Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of device reliability
and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum RatingsRatings or other conditions beyond those
indicated in the Recommended Operating Conditions is not implied. The Recommended Operating Conditions indicate conditions at which the device is functional
and the device should not be operated beyond such conditions. All voltages are measured with respect to the ground pin, unless otherwise specified
Note 2: The Electrical Characteristics tables list guaranteed specifications under the listed Recommended Operating Conditions except as otherwise modified
or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not guaranteed.
Note 3: maximum allowable power dissipation is P
DMAX = (TJMAX - TA) / θJA or the number given in Absolute Maximum Ratings, whichever is lower.
Note 4: Human body model, applicable std. JESD22-A114C.
Note 5: Machine model, applicable std. JESD22-A115-A.
Note 6: Typical values represent most likely parametric norms at T
A = +25ºC, and at the Recommended Operation Conditions at the time of product
characterization and are not guaranteed.
Note 7: Datasheet min/max specification limits are guaranteed by test or statistical analysis.
Bump Descriptions
Pin
Name
Function
A1
C1A
Charge Pump Flying Capacitor Negative Terminal
A2
C1P
Charge Pump Flying Capacitor Positive Terminal
A3
CPGND
Charge Pump Ground
A4
V
DD
Power Supply
B1
OUTL
Left Channel Output
B2
CPV
SS
Charge Pump Output
B3
INL+
Left Channel Non-Inverting Input
B4
INL-
Left Channel Inverting Input
C1
BIAS
Bias Voltage Bypass
C2
GND
Ground
C3
INR+
Right Channel Non-Inverting Input
C4
INR-
Right Channel Inverting Input
D1
OUTR
Right Channel Output
D2
SCL
I2C Serial Clock Input
D3
SDA
I2C Serial Data Input
D4
COM
Common-Mode Sense Input
5
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