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PDF MAX6133 Data sheet ( Hoja de datos )
| Número de pieza | MAX6133 | |
| Descripción | Low-Dropout Voltage Reference | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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19-2266; Rev 2; 6/03
www.DataSheet4U.com
3ppm/°C, Low-Power, Low-Dropout
Voltage Reference
General Description
The MAX6133 high-precision, low-power, low-dropout
voltage reference features a low 3ppm/°C (max) temper-
ature coefficient and a low dropout voltage (200mV,
max). This series-mode device features bandgap tech-
nology for low-noise performance and excellent accura-
cy. Load regulation specifications are guaranteed for
source currents up to 15mA. The laser-trimmed, high-
stability thin-film resistors, together with post-package
trimming, guarantee an excellent initial accuracy specifi-
cation (0.04%, max). The MAX6133 is a series voltage
reference and consumes only 40µA of supply current
(virtually independent of supply voltage). Series-mode
references save system power and use minimal external
components compared to 2-terminal shunt references.
The MAX6133 is available in 8-pin µMAX and SO pack-
ages. The unique blend of tiny packaging and excellent
precision performance make these parts ideally suited
for portable and communication applications.
Applications
Precision Regulators
A/D and D/A Converters
Power Supplies
High-Accuracy Industrial and Process Control
Hand-Held Instruments
Features
o Low Temperature Coefficient
3ppm/°C (max), SO
5ppm/°C (max), µMAX
o Tiny 5mm ✕ 3mm µMAX Package
o Low 200mV (max) Dropout Voltage
o Low 40µA Quiescent Current
o ±0.04% (max) Initial Accuracy
o Low 16µVP-P Noise (0.1Hz to 10Hz) (2.5V Output)
o 15mA Output Source-Current Capability
o Wide 2.7V to 12.6V Supply Voltage
o Excellent Line (30µV/V, max) and
Load (0.05mV/mA, max) Regulation
SUFFIX
25
30
41
50
Selector Guide
VOLTAGE OUTPUT
2.500V
3.000V
4.096V
5.000V
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX6133A_ _
-40°C to +125°C
8 µMAX
MAX6133AASA_ _
-40°C to +125°C
8 SO
MAX6133BASA_ _
-40°C to +125°C
8 SO
Note: Two-number part suffix indicates output voltage option.
MAXIMUM INITIAL
ACCURACY (%)
0.06
0.04
0.08
MAXIMUM TEMPCO
(ppm/°C, -40°C to +85°C)
5
3
5
Typical Operating Circuit
SUPPLY INPUT
0.1µF*
IN
OUT
MAX6133
REFERENCE
OUTPUT
0.1µF
GND
*INPUT CAPACITORS ARE OPTIONAL.
TOP VIEW
Pin Configuration
N.C. 1
IN 2
N.C. 3
GND 4
MAX6133
8 I.C.*
7 N.C.
6 OUT
5 I.C.*
SO/µMAX
*INTERNALLY CONNECTED, DO NOT CONNECT.
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
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3ppm/°C, Low-Power, Low-Dropout
Voltage Reference
ELECTRICAL CHARACTERISTICS—MAX6133_50 (VOUT = 5.000V)
(VIN = 5.5V, CLOAD = 0.1µF, IOUT = 0, TA = TMIN to TMAX. Typical values are at TA = +25°C, unless otherwise noted.)
PARAMETER
Output Voltage
Output Voltage
Accuracy
Output Voltage
Temperature
Coefficient (Note 1)
Input Voltage Range
Line Regulation
Load Regulation
Dropout Voltage
(Note 2)
Quiescent Supply
Current
Output Short-Circuit
Current
Output Voltage Noise
Turn-On Settling Time
Thermal Hysteresis
(Note 3)
SYMBOL
CONDITIONS
A grade SO
VOUT
TA = +25°C
B grade SO
µMAX
A grade SO
TA = +25°C
B grade SO
µMAX
A grade SO
TCVOUT B grade SO
µMAX
TA = -40°C to +85°C
TA = -40°C to +125°C
TA = -40°C to +85°C
TA = -40°C to +125°C
TA = -40°C to +85°C
TA = -40°C to +125°C
VIN Inferred from line regulation
∆VOUT/∆VIN 5.2V ≤ VIN ≤ 12.6V
∆VOUT/∆IOUT
VDO
IIN
ISC
en
-100µA ≤ IOUT ≤ 15mA
∆VOUT = 0.1%, IOUT = 1mA
∆VOUT = 0.1%, IOUT = 10mA
TA = +25°C
TA = -40°C to +125°C
Short to GND: VOUT = 0V
Short to VIN: VOUT = VIN
0.1Hz ≤ f ≤ 10Hz
10Hz ≤ f ≤ 1kHz
tON VOUT settles to ±0.01% of final value
MIN
4.9980
4.9960
4.9970
-0.04
-0.08
-0.06
5.2
TYP
5.0000
5.0000
5.0000
1
4
3
5
1
2
2
0.01
0.02
0.2
40
90
-2
40
26
1000
120
MAX
5.0020
5.0040
5.0030
+0.04
+0.08
+0.06
3
7
5
10
5
7
12.6
50
0.10
0.2
0.4
60
85
Long-Term Stability
∆t = 1000 hours
SO
µMAX
40
145
UNITS
V
%
ppm/°C
V
µV/V
mV/mA
V
µA
mA
µVP-P
µVRMS
µs
ppm
ppm
Note 1: The MAX6133 is 100% drift-tested for TA = TMIN to TMAX, as specified.
Note 2: Dropout Voltage is the minimum voltage at which VOUT changes ≤ 0.1% from VOUT at VIN = 5V (VIN = 5.5V for VOUT = 5V).
Note 3: Thermal Hysteresis is defined as the change in the initial +25°C output voltage after cycling the device from TMAX to TMIN.
_______________________________________________________________________________________ 5
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3ppm/°C, Low-Power, Low-Dropout
Voltage Reference
Negative Low-Power Voltage Reference
As shown in Figure 2, the MAX6133 can be used to
develop a negative voltage reference using the
MAX400, a rail-to-rail op-amp with low power, low
noise, and low offset. The circuit only provides a good
negative reference and is ideal for space- and cost-
sensitive applications since it does not use resistors.
0.1µF
POSITIVE SUPPLY
V+
0.1µF
MAX400
IN
MAX6133
OUT
GND
-VOUT
0.1µF
0.1µF
V-
Temperature Coefficient vs.
Operating Temperature Range
for a 1LSB Maximum Error
In a data converter application, the converter’s refer-
ence voltage must stay within a certain limit to keep the
error in the data converter smaller than the resolution
limit through the operating temperature range. Figure 3
shows the maximum allowable reference-voltage tem-
perature coefficient that keeps the conversion error to
less than 1LSB. This is a function of the operating tem-
perature range (TMAX - TMIN) with the converter resolu-
tion as a parameter. The graph assumes the
reference-voltage temperature coefficient as the only
parameter affecting accuracy. In reality, the absolute
static accuracy of a data converter is dependent on the
combination of many parameters such as integral non-
linearity, differential nonlinearity, offset error, gain error,
as well as voltage reference changes.
Chip Information
TRANSISTOR COUNT: 656
PROCESS: BiCMOS
Figure 2. Negative Low-Power Voltage Reference
10,000
1000
100
TEMPERATURE
COEFFICIENT
(ppm/°C)
10
1
0.1
0.01
1
10
OPERATING TEMPERATURE RANGE (TMAX - TMIN) (°C)
Figure 3. Temperature Coefficient vs. Operating Temperature Range for a 1LSB Maximum Error
8 BIT
10 BIT
12 BIT
14 BIT
16 BIT
18 BIT
20 BIT
100
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet MAX6133.PDF ] | |
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