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Электронный компонент: MAX6190B

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General Description
The MAX6190MAX6195/MAX6198 precision, micro-
power, low-dropout voltage references offer high initial
accuracy and very low temperature coefficient through
a proprietary curvature-correction circuit and laser-
trimmed precision thin-film resistors.
These series-mode bandgap references draw a maxi-
mum of only 35A quiescent supply current, making
them ideal for battery-powered instruments. They offer
a supply current that is virtually immune to input volt-
age variations. Load-regulation specifications are
guaranteed for source and sink currents up to 500A.
These devices are internally compensated, making
them ideal for applications that require fast settling,
and are stable with capacitive loads up to 2.2nF.
Features
o 2mV (max) Initial Accuracy
o 5ppm/C (max) Temperature Coefficient
o 35A (max) Supply Current
o 100mV Dropout at 500A Load Current
o 0.12V/A Load Regulation
o 8V/V Line Regulation
Applications
Hand-Held Instruments
Analog-to-Digital and Digital-to-Analog Converters
Industrial Process Control
Precision 3V/5V Systems
Hard-Disk Drives
MAX6190MAX6195/MAX6198
Precision, Micropower,
Low-Dropout Voltage References
________________________________________________________________ Maxim Integrated Products
1
19-1408; Rev 2; 10/01
PART
MAX6190AESA
MAX6190BESA
MAX6190CESA
-40C to +85C
-40C to +85C
-40C to +85C
TEMP RANGE
PIN-PACKAGE
8 SO
8 SO
8 SO
Ordering Information
MAX6191AESA
-40C to +85C
8 SO
MAX6191BESA
-40C to +85C
8 SO
MAX6191CESA
-40C to +85C
8 SO
MAX6192AESA
-40C to +85C
8 SO
MAX6192BESA
-40C to +85C
8 SO
MAX6192CESA
-40C to +85C
8 SO
Selector Guide
Typical Operating Circuit appears at end of data sheet.
<25
10
5.000
MAX6195C
<10
5
5.000
MAX6195B
<5
2
5.000
MAX6195A
<25
10
4.500
MAX6194C
<10
5
4.500
MAX6194B
<5
2
4.500
MAX6194A
<25
10
3.000
MAX6193C
<10
5
3.000
MAX6193B
<5
2
3.000
MAX6193A
<25
10
2.500
MAX6192C
<10
5
2.500
MAX6192B
<5
2
2.500
MAX6192A
TEMPERATURE
COEFFICIENT
(ppm/C)
<5
<10
<25
<5
<10
<25
PART
OUTPUT
VOLTAGE
(V)
INITIAL
ACCURACY
(mV)
MAX6190B
MAX6190A
1.250
2
1.250
4
MAX6190C
1.250
6
MAX6191B
MAX6191A
2.048
2
2.048
5
MAX6191C
2.048
10
Pin Configuration
OUT
N.C.
GND
1
2
8
7
N.C.
N.C.
IN
N.C.
N.C.
SO
TOP VIEW
3
4
6
5
MAX6190
MAX6195
MAX6198
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
<25
10
4.096
MAX6198C
<10
5
4.096
MAX6198B
<5
2
4.096
MAX6198A
Ordering Information continued at end of data sheet.
MAX6190MAX6195/MAX6198
Precision, Micropower,
Low-Dropout Voltage References
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS--MAX6190
(V
IN
= 5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25C.)
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Voltages Referenced to GND
IN ......................................................................-0.3V to +13.5V
OUT ..........................................................-0.3V to (V
IN
+ 0.3V)
Output Short Circuit to GND or IN (V
IN
< 6V) ............Continuous
Output Short Circuit to GND or IN (V
IN
6V) .........................60s
Continuous Power Dissipation (T
A
= +70C)
8-Pin SO (derate 5.88mW/C above +70C)................471mW
Operating Temperature Range ...........................-40C to +85C
Storage Temperature Range .............................-65C to +150C
Lead Temperature (soldering, 10s) .................................+300C
(Note 3)
T
A
= +25C
To 0.1%, C
OUT
= 50pF
V
IN
= 5V 100mV, f = 120Hz
10Hz to 10kHz
0.1Hz to 10Hz
1000hrs at +25C
Sourcing: 0
I
OUT
500A
Short to IN
2.5V
V
IN
12.6V
MAX6190A
MAX6190B
Short to GND
MAX6190C
Sinking: -500A
I
OUT
0
CONDITIONS
INPUT
nF
0
2.2
C
OUT
Capacitive-Load Stability Range
s
30
t
R
Turn-On Settling Time
dB
86
V
OUT
/V
IN
Ripple Rejection
V
RMS
65
V
P-P
25
e
OUT
Noise Voltage
DYNAMIC
ppm/
1000hrs
50
V
OUT
/
time
Long-Term Stability
ppm
75
V
OUT
/
cycle
Temperature Hysteresis
(Note 2)
4
mA
4
I
SC
Short-Circuit Current
0.15
0.6
1.246
1.250
1.254
1.248
1.250
1.252
OUTPUT
V/A
0.12
0.5
V
OUT
/
I
OUT
Load Regulation
V/V
8
80
V
OUT
/
V
IN
Line Regulation
1.244
1.250
1.256
2
5
Output-Voltage Temperature
Coefficient (Note 1)
ppm/C
4
10
TCV
OUT
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Supply Voltage Range
V
IN
Guaranteed by line-regulation test
2.5
12.6
V
Quiescent Supply Current
I
IN
27
35
A
Change in Supply Current
I
IN
/V
IN
2.5V
V
IN
12.6V
0.8
2
A/V
MAX6190B
MAX6190A
MAX6190C
V
OUT
Output Voltage
V
INPUT
DYNAMIC
OUTPUT
8
25
MAX6190MAX6195/MAX6198
Precision, Micropower,
Low-Dropout Voltage References
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS--MAX6191
(V
IN
= 5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25C.)
V
OUT
(Note 3)
T
A
= +25C
To 0.1%, C
OUT
= 50pF
V
IN
= 5V 100mV, f = 120Hz
10Hz to 10kHz
0.1Hz to 10Hz
1000hrs at +25C
Output Voltage
Sourcing: 0
I
OUT
500A
Short to IN
V
2.5V
V
IN
12.6V
MAX6191A
MAX6191B
Short to GND
MAX6191C
Sinking: -500A
I
OUT
0
CONDITIONS
INPUT
nF
0
2.2
C
OUT
Capacitive-Load Stability Range
s
30
t
R
Turn-On Settling Time
dB
84
V
OUT
/V
IN
Ripple Rejection
V
RMS
105
V
P-P
40
e
OUT
Noise Voltage
DYNAMIC
ppm/
1000hrs
50
V
OUT
/
time
Long-Term Stability
ppm
75
V
OUT
/
cycle
Temperature Hysteresis
(Note 2)
mA
4
I
SC
Short-Circuit Current
2.043
2.048
2.053
2.046
2.048
2.050
MAX6191B
OUTPUT
MAX6191A
V/A
0.12
0.55
V
OUT
/
I
OUT
Load Regulation
V/V
10
100
V
OUT
/
V
IN
Line Regulation
2.038
2.048
2.058
MAX6191C
Output-Voltage Temperature
Coefficient (Note 1)
ppm/C
4
10
TCV
OUT
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Supply Voltage Range
V
IN
Guaranteed by line-regulation test
2.5
12.6
V
Quiescent Supply Current
I
IN
27
35
A
Change in Supply Current
I
IN
/V
IN
2.5V
V
IN
12.6V
0.8
2
A/V
INPUT
DYNAMIC
OUTPUT
8
25
0.18
0.70
4
2
5
MAX6190MAX6195/MAX6198
Precision, Micropower,
Low-Dropout Voltage References
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS--MAX6192
(V
IN
= 5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25C.)
V
OUT
(Note 3)
T
A
= +25C
To 0.1%, C
OUT
= 50pF
V
IN
= 5V 100mV, f = 120Hz
10Hz to 10kHz
0.1Hz to 10Hz
1000hrs at +25C
Output Voltage
Sourcing: 0
I
OUT
500A
Short to IN
V
(V
OUT
+ 0.2V)
V
IN
12.6V
MAX6192A
MAX6192B
Short to GND
MAX6192C
Sinking: -500A
I
OUT
0
CONDITIONS
INPUT
nF
0
2.2
C
OUT
Capacitive-Load Stability Range
s
85
t
R
Turn-On Settling Time
dB
82
V
OUT
/V
IN
Ripple Rejection
V
RMS
125
V
P-P
60
e
OUT
Noise Voltage
DYNAMIC
ppm/
1000hrs
50
V
OUT
/
time
Long-Term Stability
ppm
75
V
OUT
/
cycle
Temperature Hysteresis
(Note 2)
4
mA
4
I
SC
Short-Circuit Current
0.18
0.80
2.495
2.500
2.505
2.498
2.500
2.502
MAX6192B
MAX6192A
V/A
0.14
0.60
V
OUT
/
I
OUT
Load Regulation
V/V
15
140
V
OUT
/
V
IN
Line Regulation
2.490
2.500
2.510
MAX6192C
Output-Voltage Temperature
Coefficient (Note 1)
ppm/C
4
10
TCV
OUT
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Supply Voltage Range
V
IN
Guaranteed by line-regulation test
V
OUT
+ 0.2
12.6
V
Quiescent Supply Current
I
IN
27
35
A
Change in Supply Current
I
IN
/V
IN
(V
OUT
+ 0.2V)
V
IN
12.6V
0.8
2
A/V
V
OUT
0.2%, I
OUT
= 500A
100
200
V
IN -
V
OUT
Dropout Voltage (Note 4)
mV
8
25
2
5
INPUT
DYNAMIC
OUTPUT
MAX6190MAX6195/MAX6198
Precision, Micropower,
Low-Dropout Voltage References
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS--MAX6193
(V
IN
= 5V, I
OUT
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25C.)
V
OUT
(Note 3)
T
A
= +25C
To 0.1%, C
OUT
= 50pF
V
IN
= 5V 100mV, f = 120Hz
8
25
10Hz to 10kHz
0.1Hz to 10Hz
1000hrs at +25C
Output Voltage
Short to IN
V
2.5V
V
IN
12.6V
MAX6193A
MAX6193B
Short to GND
MAX6193C
I
OUT
= 500A
CONDITIONS
INPUT
nF
0
2.2
C
OUT
Capacitive-Load Stability Range
s
100
t
R
Turn-On Settling Time
dB
80
V
OUT
/V
IN
Ripple Rejection
V
RMS
150
V
P-P
75
e
OUT
Noise Voltage
DYNAMIC
ppm/
1000hrs
50
V
OUT
/
time
Long-Term Stability
ppm
75
V
OUT
/
cycle
Temperature Hysteresis
(Note 2)
4
mA
4
I
SC
Short-Circuit Current
100
200
2.995
3.000
3.005
2.998
3.000
3.002
MAX6193B
OUTPUT
MAX6193A
mV
V
IN
- V
OUT
Dropout Voltage (Note 4)
V/V
20
150
V
OUT
/
V
IN
Line Regulation
2.990
3.000
3.010
MAX6193C
2
5
Output-Voltage Temperature
Coefficient (Note 1)
ppm/C
4
10
TCV
OUT
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Supply Voltage Range
V
IN
Guaranteed by line-regulation test
V
OUT
+ 0.2
12.6
V
Quiescent Supply Current
I
IN
27
35
A
Change in Supply Current
I
IN
/V
IN
(V
OUT
+ 0.2V)
V
IN
12.6V
0.8
2
A/V
2.5V
V
IN
12.6V
V/V
0.14
0.60
V
OUT
/
V
IN
Load Regulation
INPUT
DYNAMIC
OUTPUT
0.18
0.80