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MAX873ACPA-MAX873ACSA-MAX873AEPA-MAX873AESA-MAX873BCPA-MAX873BCSA-MAX873BEPA-MAX873BESA-MAX875ACPA-MAX875ACSA-MAX875BCPA-MAX875BCSA-MAX875BESA-MAX876BCSA-MAX876BESA
Low-Power, Low-Drift, +2.5V/+5V/+10V Precision Voltage References
19-0038, Rev l; 10/92
2flylUfDClLAyll
Low-Power, Low-Drift, +2.5V/+5V/+ 10V
Precision Voltage References
General Description
The MAX873/MAX875/MAX876 preCISIon 2.5V, 5V, and
10V references offer excellent accuracy and very low
power consumption, Extremely low temperature drift
combined with excellent line and load regulation permit
stable operation over a wide range of electrical and
environmental conditions. Operation for the MAX873 is
guaranteed with a +4.5V supply, making the part ideal in
systems running from a +5V i10°/o supply. Low 10Hz to
1KHz ncoise-typically 15pVRMS, SOuVHMs, and BOpVRMs,
respectively, for the MAX873, MAX875, and MAX876 -
make the parts suitable for 12-bit data-acquisition sys-
A TRIM pin facilitates adjustment of the reference voltage
over a 4% range, using only a 100kQ potentiometer, A
voltage output proportional to temperature provides a
source for temperature compensation circuits, tempera-
ture warning circuits, and other applications,
Applications
12-Bit A/D and D/A Converters
Digital Multimeters
Portable Data-Acquisition Systems
Low-Power Test Equipment
Pin Configuration
Features
. MAX873/MAX875/MAX876
+2.5V/+5V/+10V Outputs
uF1.5m1l/uHt.0mWk3.0mV Max Initial Accuracy
-t2.5mVHc4mV/fc7mV Max Error Over Temperature
. 7ppm/‘C (Max) Temperature Coefficient
. 280pA (Max) Quiescent Current
. Sources 10mA, Sinks 2mA
. 15ppm/mA Load Regulation (Max)
. 4ppmN Line Regulation (Max)
. Wide Supply Voltage Range, +4.5V to +18V
(MAX873)
. TEMP Output Proportltmal to Temperature
Ordering Information
PART PlN-PACKAGE Ttll,',' ty
max) o25'C
TEMP. RANGE DC to +70°C
MAX873ACPA 8 Plastic DIP 7 2 5V tl 5m;
MAX873BCPA 8 Piastic DIP 20 2SV t2hmV
MAX873ACSA 8 SO 7 2 5V :1.5mv
TJAXWSBCSA 8 SO 20 2 5V 12.5mv
@XBKSBC/D Dice" 2O 2 5V E SUN
Ordering Information continued on last page.
. Dice are tested at Tn = "trc only.
Typical Operating Circuit
TOPVIEW
TEST' E I TEST“
VIN E MAXIM T] NO,
- MAX873
TEMPE MAX875 E] VOUI
GNDE MAXINE E] TRIM
DlP/SO
. MAKE NO CONNLCT‘ON TO 'HESk PINS
V+ “—1
MAX873 i
0 lpf MAX675 V
OUT VOUI
MAX876 Al 5v (MAX873)
A) 0V (MAXWSJ
.10 l (MAX876)
Maxim Integrated Products 1
Call toll free 1-800-998-8800 for free samples or literature.
91 8)! VW/ 91 8X VW/ 81 BXVW
MAX 8 73/MAX 8 75/MAX 8 76
Low-Power, Low-Drift, +2.5 tf /+5 V/+ fotf
Precision Voltage References
ABSOLUTE MAXIMUM RATINGS
Vcc to GND .................................... 20V
VOUT, TRIM, TEMP. TEST ...... (GND - 0.3V) to (Vcc + 0.3V)
OutputShort-Circu t Duration (to GND) . . . . , ' .Continuous
Current into Any Pin .......................... t50mA
Continuous Power Dissipation (TA = +70'C)
Plastic DIP (derate 9.09mW/“C above +70°C) ..... 727mW
SO (derate 5.88mW/“C above +7ty'C) . ......... 471mW
CERDIP (derate 8.00mW/°C above +70'C) ....... .640mW
Operating Temperature Ranges:
MAX87_ _C_A ..... _ . . _ 0'0 to +700
MAX87_ _E_A ........ _ . 400 to +85"C
MAX87_ _MJA ................ . -55°C to +125'C
Storage Temperature Range .............. -65"C to +150"C
Lead Temperature (soldering. 10 sec) ........ . . +300"C
Stresses beyond those hsled under 'Absolute Maximum Raungs' may cause permanent damage to the device These are stress ratings only, and funcnonm
operaton or me devrce at Ihese or any other conditions beyond those 'nJicated m the operational Seclons of the specifications Is not Implied Exposure to
absolute maximum rating conditions for extended periods may affect dewce reltathlity
ELECTRICAL CHARACTERISTICS - MAX873
(VIN = WN, IL = 0mA, CLOAD < 100pF. TA = TMIN to TMAX, unless otherwise noted.)
PARAMETERTSYMBOL CONDITIONS _ MIN TYP MAX, urPrs,
MAX873A 2 4985 2.5000 2 5015
TA = 425°C - -
MAX873B 2.4975 2.5000 2 soils,
I " . MAX873A 2.4975 2.5000 2.5025
0 C I TA s ' 70 C
MAX8738 2 4950 2.5000 5050
Output Voltage VOUT V
a a MAX873A 2 4970 2.5000 2.5030
-4(TCSTAS+85"C -
MAX873B 2.4940 2.5000 2,5060
. a MAX873A 2.4960 2.5000 25040
-55 CSTAS +125 C
MAX873B 2.4925 2 5000 22075
Output- T MAX873A 4 7 _
Voltage ant CVOUT (Note 1) MAX873B 10 20 ppm/ C
Output- . i1Hz to 10Hz 16 WW
T e T = 25 C _
Noise Voltage " A + 10Hz to 1kHz 15 mevs
VIN = 4.5V to 18V TA = +25°c 1.5 4.0 _
Line (tITS-ff, 8V N
Regulation IN = _ 10 T = T I to T 3 6 ppm
MAX873_MJA A MIN MAX
Vp; = 4.75V to 18V -
lL=0mAto TA--+25"C 6 15 -
Loao 10mA (source) TA = MN to TMAx 1O 20
R l ' a i g ppm/mA
egu awn IL = OmAto TA = +25 C 6 15
-2mA(sink) TA = TMIN to TMAX 10 20
Quiescent lo TA = +25°C 190 280 - “A
Supply Current TA = TMIN to TMAX 190 375
Short-Circuit
OutputCurrenI Isc Output shorted to GND 35 mA
Adjust Range i t95 7 - 77ml J
Long-Term
Output Drift 20 3mm _
TEMP PIN
2332318 VTEMP TA = +25°C 1 608 mV
_ h . 1
Temperature _ ,
Sensitivity TCV EMP 2 mV/ C
MAXI/Vl
