REF191ESZ Analog Devices Inc, REF191ESZ Datasheet - Page 3

• Manufacturer Part Number: REF191ESZ
• Description: IC VOLT REF LDO 2.048V 8SOIC
• Manufacturer: Analog Devices Inc
• Series: REF19r
• Type: Voltage Referencer

Specifications of REF191ESZ

• Temperature Coefficient: 5ppm/°C
• Reference Type: Series
• Voltage - Output: 2.048V
• Tolerance: ±2mV
• Voltage - Input: 3 ~ 15 V
• Number Of Channels: 1
• Current - Quiescent: 45µA
• Current - Output: 30mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Topology: Series
• Input Voltage: 3V To 15V
• Reference Voltage: 2.048V
• Reference Voltage Tolerance: 2mV
• Voltage Reference Case Style: SOIC
• No. Of Pins: 8
• Current, Output: 30 mA
• Current, Supply: 45 μA
• Package Type: SOIC-8
• Regulation, Line: 5 ppm/V
• Regulation, Load: 5 ppm/mA
• Regulator Type: Low Dropout
• Resistance, Thermal, Junction To Case: 43 °C/W
• Temperature, Operating, Range: -40 to +85 °C
• Voltage, Dropout: 1.25 V
• Voltage, Noise: 20 μVp-p
• Voltage, Output: 2.048 V
• Voltage, Supply: 3.3 V
• Fixed / Adjust / Prog: Precision
• Output Voltage (max): 2.048V
• Reference Voltage Accuracy (max): 2
• Line Regulation: 4ppm/V
• Load Regulation: 10ppm/mA
• Input Voltage (max): 18V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Cathode: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

REVISION HISTORY
7/10—Rev. J to Rev. K
Add Note 1, Features Section ........................................................... 1
Changes to Note 1, Table 2 ............................................................... 4
Changes to Note 1, Table 5 ............................................................... 6
Changes to Note 1, Table 8 ............................................................... 8
Changes to Note 1, Table 11 ............................................................. 9
Changes to Note 1, Table 14 ........................................................... 11
Changes to Note 1, Table 17 ........................................................... 12
Changes to Note 1, Table 20........................................................... 14
Moved Figure 22 .............................................................................. 20
Added Figure 23, Solder Heat Effect Section, and Figure 24;
Renumbered Sequentially .............................................................. 21
Moved Negative Precision Reference Without Precision
Resistors Section .............................................................................. 22
Moved Precision Current Source Section .................................... 23
Moved Kelvin Connections Section ............................................. 24
Moved Figure 32 .............................................................................. 25
Updated Outline Dimensions ........................................................ 26
Changes to Ordering Guide ........................................................... 27
3/08—Rev. I to Rev. J
Changes to General Description ..................................................... 1
Changes to Specifications Section ................................................... 4
Deleted Wafer Test Limits Section ................................................ 14
Changes to Table 23, Thermal Resistance Section, and
Table 24 ............................................................................................. 16
Changes to Figure 6 ......................................................................... 17
Changes to Device Power Dissipation
Considerations Section ................................................................... 20
Changes to Current-Boosted References with Current
Limiting Section .............................................................................. 21
Changes to Precision Current Source Section ............................. 22
Changes to Figure 28 ...................................................................... 23
Changes to Figure 30 ...................................................................... 24
Changes to Low Power, Strain Gage Circuit Section .................. 25
Changes to Ordering Guide ........................................................... 27
9/06—Rev. H to Rev. I
Updated Format .................................................................. Universal
Changes to Table 25 ........................................................................ 16
Changes to Figure 6 ......................................................................... 16
Changes to Figure 10, Figure 12, Figure 14, and Figure 26 ....... 17
Changes to Figure 18 ...................................................................... 18
Changes to Figure 20 ...................................................................... 19
Changes to Figure 23 ...................................................................... 20
Changes to Figure 25 ...................................................................... 21
Updated Outline Dimensions ........................................................ 25
Changes to Ordering Guide ........................................................... 26
Rev. K | Page 3 of 28
6/05—Rev. G to Rev. H
Updated Format ................................................................. Universal
Changes to Caption in Figure 7 ..................................................... 16
Updated Outline Dimensions ........................................................ 25
Changes to Ordering Guide ........................................................... 26
7/04—Rev. F to Rev. G
Changes to Ordering Guide ............................................................. 4
3/04—Rev. E to Rev. F
Updated Absolute Maximum Rating .............................................. 4
Changes to Ordering Guide ........................................................... 14
Updated Outline Dimensions ........................................................ 24
1/03—Rev. D to Rev. E
Changes to Figure 3 and Figure 4 ................................................. 15
Changes to Output Short Circuit Behavior ................................. 17
Changes to Figure 20 ...................................................................... 17
Changes to Figure 26 ...................................................................... 19
Updated Outline Dimensions ........................................................ 23
1/96—Revision 0: Initial Version
REF19x Series