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PDF MAX678 Data sheet ( Hoja de datos )
| Número de pieza | MAX678 | |
| Descripción | Precision Voltage References | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-0200; Rev. 1; 11/94
Calibrated, Low-Drift, +4.096V/+5V/+10V
Precision Voltage References
_______________General Description
The MAX676/MAX677/MAX678 precision +4.096V, +5V,
and +10V voltage references feature a factory-pro-
grammed on-chip ROM that calibrates each reference at
specific temperatures, and reduces the temperature drift to
less than 1ppm/°C over temperature—the lowest in the
industry.
The MAX676/MAX677/MAX678 have excellent line and
load regulation: 30ppm/V and 3ppm/mA, respectively.
Load regulation specifications are guaranteed for source
currents up to 5mA and sink currents up to 500µA. The
4.096V MAX676 operates from a supply voltage as low as
4.75V, making it an ideal reference for single 5V, high
resolution ADCs.
________________________Applications
High Resolution 16-Bit ADCs and DACs
Precision Test and Measurement Systems
Precision, Calibrated Voltage-Reference
Standard
High-Accuracy Transducers
__________Typical Operating Circuit
____________________________Features
o Lowest Temperature Drift:
1ppm/°C Max Over -40°C to +85°C
1.5ppm/°C Max Over -55°C to +125°C
o 0.02% Initial Accuracy
o 3ppm/mA Max Load Regulation
o 30ppm/V Max Line Regulation
o 4.096V Reference Operates from 5V ±5% Supply
o Available in Surface-Mount Package
______________Ordering Information
PART
TEMP. RANGE
PIN-PACKAGE
MAX DRIFT
(ppm/°C)
MAX676ACPP 0°C to +70°C 20 Plastic DIP 1.0
MAX676BCPP 0°C to +70°C 20 Plastic DIP 2.0
MAX676ACWP 0°C to +70°C 20 Wide SO
1.0
MAX676BCWP 0°C to +70°C 20 Wide SO
2.0
MAX676ACJP 0°C to +70°C 20 CERDIP
1.0
MAX676AEPP -40°C to +85°C 20 Plastic DIP 1.0
MAX676BEPP -40°C to +85°C 20 Plastic DIP 2.0
MAX676AEWP -40°C to +85°C 20 Wide SO
1.0
MAX676BEWP -40°C to +85°C 20 Wide SO
2.0
MAX676AEJP -40°C to +85°C 20 CERDIP
1.0
MAX676AMJP -55°C to +125°C 20 CERDIP
1.5
MAX676BMJP -55°C to +125°C 20 CERDIP
3.0
Ordering Information continued on last page.
__________________Pin Configuration
VIN
VCC COMP
FORCE
SENSE
MAX676
MAX677
MAX678
SGND
GND GND
CCOMP
RL
TOP VIEW
FORCE 1
CAP 2
SENSE 3
N.C. 4
I.C. 5
I.C. 6
I.C. 7
I.C. 8
SGND 9
GND 10
MAX676
MAX677
MAX678
20 COMP
19 TEMP
18 VCC
17 I.C.
16 I.C.
15 I.C.
14 I.C.
13 I.C.
12 TRIM
11 GND
DIP/SO
I.C. = INTERNAL CONNECTION. MAKE NO CONNECTION TO THESE PINS.
________________________________________________________________ Maxim Integrated Products 1
Call toll free 1-800-998-8800 for free samples or literature.
1 page  
Calibrated, Low-Drift, +4.096V/+5V/+10V
Precision Voltage References
_________________________________________Typical Operating Characteristics
(VCC = +5V (MAX676), VCC = +15V (MAX677/MAX678), IL = 0mA, CL < 100pF, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. INPUT
VOLTAGE
10
8
6
MAX678
MAX677
4 MAX676
2
0
4 6 8 10 12 14 16 18
INPUT VOLTAGE (V)
4.0963
MAX676 OUTPUT VOLTAGE
vs. SOURCE CURRENT
4.0962
4.0962
4.0961
4.096025
4.0960
4.095975
4.0959
4.0958
4.0958
4.0957
0 1 2345 6 789
SOURCE CURRENT (mA)
MAX676 WIDEBAND OUTPUT
NOISE vs. BANDWIDTH
1000
5.002
MAX677 OUTPUT VOLTAGE
vs. INPUT VOLTAGE
5.001 5.00075
5.000
4.999 4.99925
4.998
8
9 10 11 12 13 14 15 16 17 18
INPUT VOLTAGE (V)
5.0003
5.0002
MAX677 OUTPUT VOLTAGE
vs. SOURCE CURRENT
5.00025
5.0001
5.00003
5.0000
4.99997
4.9999
4.9998
4.99975
4.9997
0 1 23 45
SOURCE CURRENT (mA)
6
MAX677 WIDEBAND OUTPUT
NOISE vs. BANDWIDTH
1000
7
10.0020
MAX678 OUTPUT VOLTAGE
vs. INPUT VOLTAGE
10.0015
10.0010
10.0005
10.0000
9.9995
9.9990
9.9985
13
14 15 16 17
INPUT VOLTAGE (V)
18
MAX678 OUTPUT VOLTAGE
vs. SOURCE CURRENT
10.0006
10.0005 10.0005
10.0004
10.0003
10.0002
10.0001 10.00006
10.0000
9.9999 9.99994
9.9998
9.9997
9.9996
9.9995
9.9994 9.9995
0 1 2 3 4 5 6 7 8 9 10 11
SOURCE CURRENT (mA)
MAX678 WIDEBAND OUTPUT
NOISE vs. BANDWIDTH
1000
NO CAPACITOR
100 NOISE IS FROM
0.1Hz TO
FREQUENCY
INDICATED
10
0.47µF FROM
CAP TO GND
NO CAPACITOR
100 NOISE IS FROM
0.1Hz TO
FREQUENCY
INDICATED
0.47µF FROM
10 CAP TO GND
NOISE IS FROM
100 0.1Hz TO
FREQUENCY
INDICATED
10
NO CAPACITOR
0.47µF FROM
CAP TO GND
1
0.1
1 10 100
FREQUENCY (kHz)
1000
1
0.1
1 10 100
FREQUENCY (kHz)
1000
1
0.1
1 10 100
FREQUENCY (kHz)
1000
_______________________________________________________________________________________ 5
5 Page 
Calibrated, Low-Drift, +4.096V/+5V/+10V
Precision Voltage References
__Ordering Information (continued)
PART
TEMP. RANGE
PIN-PACKAGE
MAX DRIFT
(ppm/°C)
MAX677ACPP 0°C to +70°C 20 Plastic DIP 1.0
MAX677BCPP 0°C to +70°C 20 Plastic DIP 2.0
MAX677ACWP 0°C to +70°C 20 Wide SO
1.0
MAX677BCWP 0°C to +70°C 20 Wide SO
2.0
MAX677ACJP 0°C to +70°C 20 CERDIP
1.0
MAX677AEPP -40°C to +85°C 20 Plastic DIP 1.0
MAX677BEPP -40°C to +85°C 20 Plastic DIP 2.0
MAX677AEWP -40°C to +85°C 20 Wide SO
1.0
MAX677BEWP -40°C to +85°C 20 Wide SO
2.0
MAX677AEJP -40°C to +85°C 20 CERDIP
1.0
MAX677AMJP -55°C to +125°C 20 CERDIP
1.5
MAX677BMJP -55°C to +125°C 20 CERDIP
3.0
MAX678ACPP 0°C to +70°C 20 Plastic DIP 1.0
MAX678BCPP 0°C to +70°C 20 Plastic DIP 2.0
MAX678ACWP 0°C to +70°C 20 Wide SO
1.0
MAX678BCWP 0°C to +70°C 20 Wide SO
2.0
MAX678ACJP 0°C to +70°C 20 CERDIP
1.0
MAX678AEPP -40°C to +85°C 20 Plastic DIP 1.0
MAX678BEPP -40°C to +85°C 20 Plastic DIP 2.0
MAX678AEWP -40°C to +85°C 20 Wide SO
1.0
MAX678BEWP -40°C to +85°C 20 Wide SO
2.0
MAX678AEJP -40°C to +85°C 20 CERDIP
1.0
MAX678AMJP -55°C to +125°C 20 CERDIP
1.5
MAX678BMJP -55°C to +125°C 20 CERDIP
3.0
TRANSISTOR COUNT: 1465
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX678.PDF ] | |
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