REF191ESZ Analog Devices Inc, REF191ESZ Datasheet - Page 15
REF191ESZ
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
REF191ESZ
Manufacturer:
TI
Quantity:
6 223
Part Number:
REF191ESZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
ELECTRICAL CHARACTERISTICS—REF198 @ −40°C ≤ T
@ V
Table 22.
Parameter
TEMPERATURE COEFFICIENT
LINE REGULATION
LOAD REGULATION
DROPOUT VOLTAGE
1
2
3
4
For proper operation, a 1 μF capacitor is required between the output pin and the GND pin of the device.
TCV
Guaranteed by characterization.
Line and load regulation specifications include the effect of self-heating.
E Grade
F Grade
G Grade
E Grade
F and G Grades
E Grade
F and G Grades
S
O
TCV
= 5.0 V, −40°C ≤ T
is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/°C.
O
= (V
3
MAX
− V
4
MIN
4
)/V
O
(T
A
≤ +125°C, unless otherwise noted.
MAX
1, 2
− T
MIN
)
Symbol
TCV
ΔV
ΔV
V
S
− V
O
O
O
/ΔV
/ΔV
/°C
O
IN
LOAD
Rev. K | Page 15 of 28
Condition
I
4.5 V ≤ V
V
V
V
OUT
S
S
S
= 5.6 V, 0 mA ≤ I
= 4.7 V, I
= 5.6 V, I
= 0 mA
A
S
≤
≤ 15 V, I
LOAD
LOAD
+
125°C
= 10 mA
= 20 mA
OUT
OUT
= 0 mA
≤ 20 mA
Min
Typ
2
5
10
5
10
5
10
REF19x Series
Max
0.60
1.50
Unit
ppm/°C
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/mA
ppm/mA
V
V