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CAT8900 Precision Analog Voltage References
The CAT8900 is a high precision voltage reference providing very accurate voltage regulation with low supply current consumption. CAT8900 is ideal for use in battery powered systems where operating current needs to be minimized and there can be a great variation in supply voltages. It will source or sink up to 10 mA of load current, and can for most applications, forgo the use of an output bypass capacitor. The device is supplied in a space saving three terminal SOT-23 package.
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* Reference Voltages:
* *
* * *
1.024 V, 1.200 V, 1.250 V, 1.800 V, 2.048 V, 2.500 V, 2.600 V, 3.000 V, 3.300 V Low Supply Current: 450 nA (Typical) Initial Accuracy: Class A: 0.5 mV Class B: 1.0 mV Class C: 2.5 mV Class D: 5.0 mV Drift Performance: 20 ppm/C SOT-23 3-Lead Package This Device is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant Battery Powered Systems A/D and D/A Converters Precision Regulator Systems Power Supplies Portable Medical Equipment
SOT23-3 TP, TB SUFFIX CASE 527AG
MARKING DIAGRAM
3 S3YM 1 2
S3 = Specific Device Code Y = Production Year = (Last Digit) M = Production Month = (1 - 9, A, B, C)
Typical Applications
* * * * *
PIN CONNECTIONS
1 VIN 3 GND 2 VOUT VOUT (Top View)
VIN C 0.1 mF
VIN
VOUT CAT8900
PIN FUNCTIONS
GND Pin No. 1 2 Pin Name VIN VOUT GND Function Supply Voltage Input Output Voltage Ground
Figure 1. Application Circuit
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ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 2 of this data sheet.
(c) Semiconductor Components Industries, LLC, 2009
August, 2009 - Rev. 1
1
Publication Order Number: CAT8900/D
CAT8900
Table 1. ORDERING INFORMATION
Orderable Part Number CAT8900A102TBIT3 CAT8900B102TBIT3 CAT8900C102TBIT3 CAT8900D102TBIT3 CAT8900A120TBIT3 CAT8900B120TBIT3 CAT8900C120TBIT3 CAT8900D120TBIT3 CAT8900A125TBIT3 CAT8900B125TBIT3 CAT8900C125TBIT3 CAT8900D125TBIT3 CAT8900A180TBIT3 CAT8900B180TBIT3 CAT8900C180TBIT3 CAT8900D180TBIT3 CAT8900A204TBIT3 CAT8900B204TBIT3 CAT8900C204TBIT3 CAT8900D204TBIT3 CAT8900A250TBIT3 CAT8900B250TBIT3 CAT8900C250TBIT3 CAT8900D250TBIT3 CAT8900A260TBIT3 CAT8900B260TBIT3 CAT8900C260TBIT3 CAT8900D260TBIT3 CAT8900A300TBIT3 CAT8900B300TBIT3 CAT8900C300TBIT3 CAT8900D300TBIT3 CAT8900A330TBIT3 CAT8900B330TBIT3 CAT8900C330TBIT3 CAT8900D330TBIT3 Accuracy (mV) 0.5 1.0 2.5 5.0 0.5 1.0 2.5 5.0 0.5 1.0 2.5 5.0 0.5 1.0 2.5 5.0 0.5 1.0 2.5 5.0 0.5 1.0 2.5 5.0 0.5 1.0 2.5 5.0 0.5 1.0 2.5 5.0 0.5 1.0 2.5 5.0 3.300 SOT-23 3,000 3.000 SOT-23 3,000 2.600 SOT-23 3,000 2.500 SOT-23 3,000 2.048 SOT-23 3,000 1.800 SOT-23 3,000 1.250 SOT-23 3,000 1.200 SOT-23 3,000 1.024 SOT-23 3,000 VOUT Voltage (V) (Note 1) Package Shipping
1. Contact factory for availability of these and other custom voltages. For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D.
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CAT8900
Table 2. ABSOLUTE MAXIMUM RATINGS (Note 2)
Rating VIN Storage Temperature Range Junction Temperature Range Value 6.5 -55 to +125 +150 Unit V _C _C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 2. Maximum terminal current is bounded by the maximum current handling of the switches, maximum power dissipation of the package.
Table 3. RECOMMENDED OPERATING CONDITIONS
Rating Temperature Range Value -40 to +85 Unit _C
Table 4. ELECTRICAL CHARACTERISTICS
VIN = 3.0 V, IOUT = 0 mA, COUT = 0.001 mF, -40_C to +85_C unless specified otherwise. Parameter Output Voltage Test Conditions Symbol VOUT Min Typ 1.024 1.200 1.250 1.800 2.048 2.500 2.600 3.000 3.300 Max Unit V
Initial Accuracy
TA = 25C Grade A Grade B Grade C Grade D -0.5 -1.0 -2.5 -5.0 50 DVOUT / DT DVOUT / DTA DVOUT / DVIN DVOUT / DILOAD 12 100 30 100 150 DVOUT / Dt ILOAD TA = 25C VOUT pin shorted to GND VOUT pin shorted to VIN 0.1% @ VIN = 3 V; CL = 0 pF IL = 0 mA VIN IIN 2.7 450 ISC 40 20 2 60 40 ms -10 50 +10 100 250 350 20 +0.5 +1.0 +2.5 +5.0 mV mV mV mV mVp-p ppm/C ppm mV/V mV/mA mV/mA ppm mA mA
Output Voltage Noise (Note 3) Output Voltage Temperature Drift Thermal Hysteresis (Note 3) Line Regulation Load Regulation Sourcing Sinking Long Term Stability (Note 3) Output Current Short Circuit Current (Note 3) Sourcing Sinking Turn-on Settling Time POWER SUPPLY Input Voltage Supply current 3. Guaranteed by design.
f = 0.1 Hz to 10 Hz -40C to 85C TA = 125C 2.7 V < VIN < 5.5 V 0 mA < ILOAD < 10 mA; VIN = 3 V -10 mA < ILOAD < 0 mA; VIN = 3 V TA = 25C; first 1000 hours
5.5 800
V nA
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CAT8900
TYPICAL CHARACTERISTICS
(VIN = 3.0 V, IOUT = 0 mA, ambient temperature of 25C, unless specified otherwise.) 700 650 SUPPLY CURRENT (nA) 600 550 500 450 400 350 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Unit 2 Unit 3 Unit 1 SUPPLY CURRENT (nA) 650 600 550 500 450 400 350 +85C +25C -40C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Figure 2. Supply Current vs. Input Voltage
1.2502 OUTPUT VOLTAGE CHANGE (mV) 50
Figure 3. Supply Current vs. Input Voltage Over Temperature
-40C +85C 25 +25C
OUTPUT VOLTAGE (V)
1.2501
Unit 1
1.2500
Unit 2 Unit 3
0
1.2499
1.2498
2.5
3.0
3.5
4.0
4.5
5.0
5.5
-25
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Figure 4. Line Regulation
2.0 OUTPUT VOLTAGE CHANGE (mV) 1.5 1.0 0.5 0 -0.5 -1.0 -1.5 -10 SINKING -5 0 SOURCING 5 10 -40C 1.2508 1.2506 OUTPUT VOLTAGE (V) +25C 1.2504 1.2502 1.2500 1.2498 1.2496 1.2494 1.2492 -40
Figure 5. Line Regulation Over Temperature Normalized
+85C
Unit 3
Unit 2 Unit 1 -15 10 35 60 85
OUTPUT CURRENT (mA)
TEMPERATURE (C)
Figure 6. Load Regulation Over Temperature
Figure 7. Output Voltage vs. Temperature Normalized
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CAT8900
TYPICAL CHARACTERISTICS
(VIN = 3.0 V, IOUT = 0 mA, ambient temperature of 25C, unless specified otherwise.)
100 mV / DIV
1 ms / DIV
100 mV / DIV
1 ms / DIV
Figure 8. Line Transient Response
Figure 9. Line Transient Response with Capacitive Load
200 mV / DIV
500 ms / DIV
50 mV / DIV
500 ms / DIV
Figure 10. Load Transient Response
160 140 OUTPUT IMPEDANCE (W) 120 100 80 60 40 20 0 1 10 100 1k 10 k 100 k 100 nF Load 0 -10 -20 PSRR (dB) -30 -40 -50 -60 -70 -80 -90 1
Figure 11. Load Transient Response
No Load 1 nF Load 10 nF Load
No Load
1 nF Load 10 nF Load
100 nF Load
10
100
1k
10 k
100 k
1M
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 12. Output Impedance vs. Frequency
Figure 13. Power Supply Ratio Rejection vs. Frequency
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CAT8900
TYPICAL CHARACTERISTICS
(VIN = 3.0 V, IOUT = 0 mA, ambient temperature of 25C, unless specified otherwise.)
500 mV / DIV
1 ms / DIV
10 mV / DIV
10 s / DIV
Figure 14. Turn-On Time
Figure 15. Output Noise
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CAT8900
PACKAGE DIMENSIONS
SOT-23, 3 Lead CASE 527AG-01 ISSUE O
SYMBOL A A1 b c E1 E D E E1 e 1 e e1 TOP VIEW 2 e1 L L1 MIN 0.89 0.013 0.37 0.085 2.80 2.10 1.20 0.95 BSC 1.90 BSC 0.40 REF 0.54 REF NOM MAX 1.12 0.10 0.50 0.18 3.04 2.64 1.40
D 3
0
8
A
q
b A1
L1
L
c
SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC TO-236.
END VIEW
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
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CAT8900/D

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