Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Infrared (15 sec.)
Thermal Resistance
220˚C
φJC(typ)
φJA(typ)
35˚C/W
100˚C/W
See AN-450 “Surface Mounting and their Effects on Product
Reliability” for other methods of soldering surface mount de-
vices.
Supply Voltage
6.0V
−65˚C to +150˚C
−0.3V to VDD + 0.3V
Internally limited
3000V
Storage Temperature
Input Voltage
Power Dissipation
Operating Ratings
Temperature Range
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
250V
TMIN ≤ TA ≤ TMAX
−20˚C ≤ TA ≤ +85˚C
2.0V ≤ VDD ≤ 5.5V
150˚C
Supply Voltage
215˚C
Electrical Characteristics
=
=
=
(Notes 1, 2) The following specifications apply for VDD 5V, RL 8Ω unless otherwise specified. Limits apply for TA 25˚C.
Symbol
Parameter
Conditions
LM4870
Units
(Limits)
Typical
Limit
(Note 7)
2.0
(Note 6)
VDD
Supply Voltage
V (min)
V (max)
mA (max)
µA
5.5
=
=
IDD
Quiescent Power Supply Current
Shutdown Current
VO 0V, IO 0A
7.0
0.4
10
15.0
=
Vpin2 VDD
ISD
=
VOS
PO
Output Offset Voltage
VIN 0V
50.0
1.0
mV (max)
W (min)
%
=
=
Output Power
THD+N 0.5% (max); f 1 kHz
1.1
0.25
60
=
PO 1 Wrms; 20 Hz ≤ f ≤ 20 kHz
THD+N
PSRR
Vod
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
Output Dropout Voltage
=
VDD 4.9V to 5.1V
dB
=
VIN 0V to 5V
0.6
2.5
2.5
2.8
0.2
1.0
V (max)
V
=
HP-SENSE 0V to 4V
VIH
HP-IN High Input Voltage
HP-IN Low Input Voltage
HP-SENSE High Output Voltage
HP-SENSE Low Output Voltage
=
VIL
HP-SENSE 4V to 0V
V
=
VOH
VOL
IO 500 µA
2.5
0.8
V (min)
V (max)
=
IO −500 µA
Note 1: All voltages are measured with respect to the ground pins, unless otherwise specified.
Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guar-
antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is
given, however, the typical value is a good indication of device performance.
Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by T
, θ , and the ambient temperature T . The maximum
A
JMAX JA
=
=
allowable power dissipation is P
(T
JMAX
− T )/θ or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4870, T
JA JMAX
DMAX
A
+150˚C, and the typical junction-to-ambient thermal resistance, when board mounted, is 100˚C/W.
Note 4: Human body model, 100 pF discharged through a 1.5 kΩ resistor.
Note 5: Machine Model, 200 pF–240 pF discharged through all pins.
Note 6: Typicals are measured at 25˚C and represent the parametric norm.
Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
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