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PDF DS4802 Datasheet ( Hoja de datos )

Número de pieza DS4802
Descripción Low Voltage/ Micro Power/ High Performance/ Rail-To-Rail Dual Op-Amp
Fabricantes Dallas Semiconducotr 
Logotipo Dallas Semiconducotr Logotipo

Total 19 Páginas
		
DS4802 Hoja de datos, Descripción, Manual
www.dalsemi.com
PRELIMINARY
DS4802
Low Voltage, Micro Power, High
Performance, Rail-To-Rail Dual Op-Amp
FEATURES
Very low operating power:
12 µA typical per amplifier
High output sink/source capability
Supply Voltage Range 1.8 to 5.5V
Rail-to-Rail Output Swing
PACKAGES/PINOUTS
1
AOUT
8
VDD
2
AIN-
7
BOUT
AB
3 -+ + - 6
AIN+
BIN-
Input offset voltage: 0.95 mV max.
4
GND
5
BIN+
ORDERING INFORMATION
Part Number Description
DS4802
8-pin DIP
300-mil DIP
150-mil SOIC
118-mil µ-SOP
DS4802S
DS4802U
DS4802X
8-pin SOIC
8-pin µ-SOP
8-bump Flip-Chip
1
AOUT
VDD
6
4
BOUT
For mechanical dimensions see website.
AB
2
AIN-
-+
+-
5
AIN+
7
BIN-
8
BIN+
3
GND
8-bump Flip-Chip
DESCRIPTION
The DS4802 BiCMOS dual operational amplifier combines low input offset voltage, very low power
consumption, rail-to-rail output swing, and excellent DC precision. With a maximum input offset voltage
of 0.95 mV, a maximum IDD of 25 µA/amplifier, and 10 pA typical input bias current, the DS4802 is ideal
for measurement, medical, and industrial applications. The DS4802 is also ideal for portable applications
with 1.8 volt to 5.5 volt single supply voltage operation and low power consumption.
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DS4802 pdf
PARAMETER
(0V VIC 2V, RS = 50, VO =
VDD/2)
Supply Voltage Rejection Ratio
(1.8V VDD 3.6V, VIC = VDD/2, no
load)
Amplifier Supply Current (per
channel)
(VO = VDD/2, no load)
Slew Rate at Unity Gain
(RL = 100 k, CL = 100 pF tied to
VDD/2)
Equivalent Input Noise Voltage
(f = 10 Hz)
(f = 1 kHz)
Unity Gain Bandwidth Product
(RL = 100 k, CL = 100 pF tied to
VDD/2)
Phase Margin at Unity Gain
(RL = 100 k, CL = 100 pF tied to
VDD/2)
Gain Margin
(RL = 100 k, CL = 100 pF tied to
VDD/2)
SYMBOL
kSVR
IDD
SR
VN
UGBW
φM
MIN
70
10
TYP
85
12
15
120
60
35
60
17
DS4802
MAX UNITS NOTES
dB
25 µA
V/ms
nV/Hz
kHz
Degree
dB
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5 Page

DS4802 arduino
SHORT-CIRCUIT OUTPUT CURRENT
vs
FREE-AIR TEMPERATURE
3
2
1
VDD = 1.8 V
0
IOSL
-1
-2
-50
12
IOSH
-25 0 25 50 75
TA - Free-Air Temperature - oC
Figure 11.0
SHORT-CIRCUIT OUTPUT CURRENT
vs
FREE-AIR TEMPERATURE
8
4
VDD = 3.0 V
0
IOSL
-4 IOSH
-8
-50
-25
0 25 50 75
TA - Free-Air Temperature - oC
Figure 12.0
DS4802
100 125
100 125
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