REF191ESZ Analog Devices Inc, REF191ESZ Datasheet - Page 10

• 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

REF19x Series
ELECTRICAL CHARACTERISTICS—REF194 @ −40°C ≤ T
@ V
Table 12.
Parameter
TEMPERATURE COEFFICIENT
LINE REGULATION
LOAD REGULATION
DROPOUT VOLTAGE
SLEEP PIN
SUPPLY CURRENT
1
2
3
4
ELECTRICAL CHARACTERISTICS—REF194 @ −40°C ≤ T
@ V
Table 13.
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.
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
G Grade
E Grade
G Grade
E Grade
G Grade
Logic High Input Voltage
Logic High Input Current
Logic Low Input Voltage
Logic Low Input Current
Sleep Mode
E Grade
G Grade
E Grade
G Grade
E Grade
Grade
S
S
O
O
TCV
TCV
= 5.0 V, T
is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/°C.
= 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
O
= (V
= (V
3
3
MAX
MAX
A
− V
− V
= −40°C ≤ T
4
4
MIN
MIN
4
)/V
)/V
O
O
(T
(T
A
MAX
≤ +125°C, unless otherwise noted.
MAX
1, 2
1, 2
− T
− T
A
≤ +85°C, unless otherwise noted.
MIN
MIN
)
)
Symbol
TCV
∆V
∆V
V
V
I
V
I
Symbol
TCV
ΔV
ΔV
V
H
L
S
H
L
S
− V
− V
O
O
O
O
/∆V
/∆V
O
O
/ΔV
/ΔV
/°C
/°C
O
O
IN
LOAD
IN
LOAD
Condition
I
4.75 V ≤ V
V
V
V
No load
No load
Condition
I
4.75 V ≤ V
V
V
V
Rev. K | Page 10 of 28
OUT
OUT
S
S
S
S
S
S
= 5.80 V, 0 mA ≤ I
= 5.00 V, I
= 5.80 V, I
= 5.80 V, 0 mA ≤ I
= 5.10 V, I
= 5.95 V, I
= 0 mA
= 0 mA
A
A
S
S
≤ +85°C
≤ +125°C
≤ 15 V, I
≤ 15 V, I
LOAD
LOAD
LOAD
LOAD
= 10 mA
= 25 mA
= 10 mA
= 20 mA
OUT
OUT
OUT
OUT
= 0 mA
= 0 mA
≤ 25 mA
≤ 20 mA
Min
2.4
Min
Typ
2
10
5
10
5
10
Typ
2
10
5
10
5
10
Max
25
10
20
15
20
−8
0.8
−8
Max
5
0.5
1.30
45
15
0.60
1.45
Unit
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/mA
ppm/mA
V
V
V
μA
V
μA
μA
μA
Unit
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/mA
ppm/mA
V
V