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PDF ADR3550 Data sheet ( Hoja de datos )
| Número de pieza | ADR3550 | |
| Descripción | High Accuracy Voltage References | |
| Fabricantes | Analog Devices | |
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Data Sheet
Micropower, High Accuracy
Voltage References
ADR3525/ADR3530/ADR3533/ADR3540/ADR3550
FEATURES
Maximum temperature coefficient: 5 ppm/°C (B grade)
Low long-term drift (LTD): 30 ppm (initial 1 khr typical)
Initial output voltage error: ±0.1% (maximum)
Operating temperature range: −40°C to +125°C
Output current: +10 mA source/−3 mA sink
Low quiescent current: 100 μA (maximum)
Low dropout voltage: 250 mV at 2 mA
Output voltage noise (0.1 Hz to 10 Hz): 29 μV p-p at
4.096 V (typical)
Qualified for automotive applications
APPLICATIONS
Automotive battery monitors
Portable instrumentation
Process transmitters
Remote sensors
Medical instrumentation
PIN CONFIGURATION
ENABLE 1
GND SENSE 2
GND FORCE 3
NC 4
ADR35xx
TOP VIEW
(Not to Scale)
8 VIN
7 VOUT SENSE
6 VOUT FORCE
5 NC
NOTES
1. NC = NO CONNECT. DO NOT
CONNECT TO THIS PIN.
Figure 1. 8-Lead MSOP (RM-8 Suffix)
GENERAL DESCRIPTION
The ADR3525W, ADR3530W, ADR3533W, ADR3540W, and
ADR3550W are low cost, low power, high precision CMOS
voltage references, featuring a maximum temperature coeffi-
cient (TC) of 5 ppm/°C (B grade), 8 ppm/°C (A grade), low
operating current, and low output noise in an 8-lead MSOP
package. For high accuracy, the output voltage and temperature
coefficient are trimmed digitally during final assembly using the
Analog Devices, Inc., patented DigiTrim® technology.
The low output voltage hysteresis and low long-term output
voltage drift improve lifetime system accuracy.
These CMOS references are available in five output voltages, all
of which are specified over the automotive temperature range of
−40°C to +125°C.
Table 1. Selection Guide
Model
Output Voltage (V)
ADR3525W 2.500
ADR3530W 3.000
ADR3533W 3.300
ADR3540W 4.096
ADR3550W 5.000
Input Voltage Range (V)
2.7 to 5.5
3.2 to 5.5
3.5 to 5.5
4.3 to 5.5
5.2 to 5.5
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2011 Analog Devices, Inc. All rights reserved.
1 page  
Data Sheet
ADR3525/ADR3530/ADR3533/ADR3540/ADR3550
ADR3533 ELECTRICAL CHARACTERISTICS
VIN = 3.5 V to 5.5 V, IL = 0 mA, TA = 25°C, unless otherwise noted.
Table 4.
Parameter
OUTPUT VOLTAGE
INITIAL OUTPUT VOLTAGE ERROR
TEMPERATURE COEFFICIENT
A Grade
B Grade
LINE REGULATION
LOAD REGULATION
Sourcing
Sinking
OUTPUT CURRENT CAPACITY
Sourcing
Sinking
QUIESCENT CURRENT
Normal Operation
Shutdown
DROPOUT VOLTAGE1
ENABLE PIN
Shutdown Voltage
ENABLE Voltage
ENABLE Pin Leakage Current
OUTPUT VOLTAGE NOISE
OUTPUT VOLTAGE NOISE DENSITY
OUTPUT VOLTAGE HYSTERESIS2
RIPPLE REJECTION RATIO
LONG-TERM OUTPUT VOLTAGE DRIFT
TURN-ON SETTLING TIME
Symbol
VOUT
VOERR
TCVOUT
ΔVOUT/ΔVIN
ΔVOUT/ΔIL
IL
IQ
VDO
VL
VH
IEN
en p-p
en
ΔVOUT_HYS
RRR
ΔVOUT_LTD
tR
Test Conditions/Comments
−40°C ≤ TA ≤ +125°C
VIN = 3.5 V to 5.5 V
VIN = 3.5 V to 5.5 V, −40°C ≤ TA ≤ +125°C
IL = 0 mA to 10 mA,
VIN = 3.8 V, −40°C ≤ TA ≤ +125°C
IL = 0 mA to −3 mA,
VIN = 3.8 V, −40°C ≤ TA ≤ +125°C
VIN = 3.8 V to 5.5 V
VIN = 3.8 V to 5.5 V
ENABLE ≥ VIN × 0.85
ENABLE = VIN, −40°C ≤ TA ≤ +125°C
ENABLE ≤ 0.7 V
IL = 0 mA, TA = −40°C ≤ TA ≤ +125°C
IL = 2 mA, TA = −40°C ≤ TA ≤ +125°C
ENABLE = VIN, TA = −40°C ≤ TA ≤ +125°C
f = 0.1 Hz to 10 Hz
f = 10 Hz to 10 kHz
f = 1 kHz
TA = +25°C to −40°C to +125°C to +25°C
fIN = 60 Hz
1000 hours at 50°C
CIN = 0.1 μF, CL = 0.1 μF, RL = 1 kΩ
Min
3.2967
10
−3
0
VIN × 0.85
Typ
3.3000
2.5
2.5
5
9
10
50
75
0.85
25
46
1.2
70
−60
30
750
Max
3.3033
±0.1
±3.3
8
5
50
120
30
50
85
100
5
200
250
0.7
VIN
3
Unit
V
%
mV
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/mA
ppm/mA
mA
mA
μA
μA
μA
mV
mV
V
V
μA
μV p-p
μV rms
μV/√Hz
ppm
dB
ppm
μs
1 Refers to the minimum difference between VIN and VOUT such that VOUT maintains a minimum accuracy of 0.1%. See the Terminology section.
2 See the Terminology section. The part is placed through the temperature cycle in the order of temperatures shown.
Rev. 0 | Page 5 of 20
5 Page 
Data Sheet
ADR3525/ADR3530/ADR3533/ADR3540/ADR3550
400
–40°C
350 +25°C
+125°C
300
250
200
150
100
50
0
–3 –2 –1 0 1 2 3 4 5 6 7 8 9
LOAD CURRENT (mA)
Figure 9. ADR3525 Dropout Voltage vs. Load Current
10
350
–40°C
300
+25°C
+125°C
250
200
150
100
50
0
–3 –2 –1 0 1 2 3 4 5 6 7 8 9 10
LOAD CURRENT (mA)
Figure 10. ADR3550 Dropout Voltage vs. Load Current
140
ADR3525
120
ADR3530
ADR3533
ADR3540
100 ADR3550
80
60
40
20
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 11. Line Regulation vs. Temperature
1
10µV/DIV
CH1 pk-pk = 18µV
TIME = 1s/DIV
CH1 RMS = 3.14µV
Figure 12. ADR3525 Output Voltage Noise (0.1 Hz to 10 Hz)
1
100µV/DIV
CH1 pk-pk = 300µV
TIME = 1s/DIV
CH1 RMS = 42.0µV
Figure 13. ADR3525 Output Voltage Noise (10 Hz to 10 kHz)
12
10
8
6
4
2
0
0.1 1 10 100 1k
FREQUENCY (Hz)
Figure 14. ADR3525 Output Noise Spectral Density
10k
Rev. 0 | Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ADR3550.PDF ] | |
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