REF191ESZ Analog Devices Inc, REF191ESZ Datasheet - Page 17

• 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

TYPICAL PERFORMANCE CHARACTERISTICS
5.004
5.003
5.002
5.001
5.000
4.999
4.998
4.997
4.996
20
16
12
8
4
0
32
28
24
20
16
12
8
4
0
4
–50
0
0mA ≤ I
3 TYPICAL PARTS
5.15V < V
5.15V ≤ V
Figure 3. REF195 Output Voltage vs. Temperature
OUT
6
Figure 4. REF195 Load Regulator vs. I
–25
Figure 5. REF195 Line Regulator vs. V
5
IN
S
≤ 25mA
≤ 15V
< 15V
8
10
0
TEMPERATURE (°C)
I
LOAD
V
IN
10
25
15
(V)
(mA)
+85°C
12
50
20
–40°C
+25°C
14
LOAD
IN
75
25
–40°C
+85°C
+25°C
16
100
30
Rev. K | Page 17 of 28
50
45
40
35
30
25
20
15
10
–6
–5
–4
–3
–2
–1
5
0
40
35
30
25
20
15
10
0
–20
–50
5
0
–50
BASED ON 600
UNITS, 4 RUNS
–40°C ≤ T
–15
Figure 8. SLEEP Pin Current vs. Temperature
–25
Figure 7. Supply Current vs. Temperature
–25
A
≤ +85°C
–10
Figure 6. T
0
TEMPERATURE (°C)
0
–5
TEMPERATURE (°C)
T
C
V
OUT
C
V
OUT
25
0
(ppm/°C)
25
Distribution
NORMAL MODE
SLEEP MODE
5
50
REF19x Series
50
10
V
V
L
H
75
75
15
100
20
100