Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
θJA (9 Bump micro SMD, Note 12)
180˚C/W
56˚C/W
θJC (MSOP)
θJA (MSOP)
190˚C/W
220˚C/W
θJA (LLP)
Supply Voltage (Note 11)
Storage Temperature
Input Voltage
6.0V
−65˚C to +150˚C
−0.3V to VDD +0.3V
Internally Limited
2000V
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
Junction Temperature
Thermal Resistance
θJC (SOP)
See AN-1187 "Leadless Leadframe Package (LLP)."
150˚C
Operating Ratings
Temperature Range
35˚C/W
150˚C/W
220˚C/W
TMIN ≤ TA ≤ TMAX
−40˚C ≤ TA ≤ 85˚C
2.2V ≤ VDD ≤ 5.5V
θJA (SOP)
Supply Voltage
θJA (8 Bump micro SMD, Note 12)
Electrical Characteristics VDD = 5V (Notes 1, 2, 8)
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for TA = 25˚C.
LM4890
Units
(Limits)
Symbol
IDD
Parameter
Conditions
Typical
Limit
(Note 6)
(Notes 7, 9)
Quiescent Power Supply Current
VIN = 0V, Io = 0A, No Load
VIN = 0V, Io = 0A, 8Ω Load
VSHUTDOWN = 0V
4
5
8
mA (max)
mA (max)
µA (max)
V (min)
V (max)
mV (max)
kΩ (max)
kΩ (min)
W
10
ISD
Shutdown Current
0.1
2.0
1.2
0.4
50
VSDIH
VSDIL
VOS
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
7
ROUT-GND Resistor Output to GND (Note 10)
9.7
7.0
0.8
220
150
190
8.5
Po
Output Power (8Ω)
THD = 2% (max); f = 1 kHz
1.0
TWU
TSD
Wake-up time
170
ms (max)
˚C (min)
˚C (max)
%
Thermal Shutdown Temperature
170
THD+N
PSRR
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
(Note 14)
Po = 0.4 Wrms; f = 1kHz
Vripple = 200mV sine p-p
Input Terminated with 10 ohms to
ground
0.1
62 (f =
55
dB (min)
217Hz)
66 (f = 1kHz)
1.0
TSDT
Shut Down Time
8 Ω load
ms (max)
Electrical Characteristics VDD = 3V (Notes 1, 2, 8)
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for TA = 25˚C.
LM4890
Units
(Limits)
Symbol
IDD
Parameter
Conditions
Typical
(Note 6)
3.5
Limit
(Notes 7, 9)
Quiescent Power Supply Current
VIN = 0V, Io = 0A, No Load
VIN = 0V, Io = 0A, 8Ω Load
VSHUTDOWN = 0V
7
mA (max)
mA (max)
µA (max)
V(min)
4.5
9
ISD
Shutdown Current
0.1
2.0
1.2
0.4
50
VSDIH
VSDIL
VOS
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
V(max)
7
mV (max)
kΩ (max)
kΩ (min)
ms (max)
ROUT-GND Resistor Output to Gnd (Note 10)
9.7
7.0
180
8.5
120
TWU Wake-up time
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