3 X 3 MM, 0.80 MM HEIGHT, LEAD FREE, PLASTIC, MO-299WEED-2, DFN-10
Pin Count:
10
Manufacturer Package Code:
05-08-1699
Country Of Origin:
Malaysia
ECCN Code:
EAR99
HTS Code:
8542.33.00.01
Manufacturer:
Analog Devices Inc
YTEOL:
10
Amplifier Type:
OPERATIONAL AMPLIFIER
Architecture:
VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB):
0.0075 µA
Bias Current-Max (IIB) @25C:
0.005 µA
Common-mode Reject Ratio-Min:
60 dB
Common-mode Reject Ratio-Nom:
70 dB
Frequency Compensation:
YES
Input Offset Voltage-Max:
295 µV
JESD-30 Code:
S-PDSO-N10
JESD-609 Code:
e3
Length:
3 mm
Low-Bias:
NO
Low-Offset:
YES
Micropower:
YES
Moisture Sensitivity Level:
1
Neg Supply Voltage Limit-Max:
-20 V
Neg Supply Voltage-Nom (Vsup):
-15 V
Number of Functions:
1
Number of Terminals:
10
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVSON
Package Equivalence Code:
SOLCC10,.12,20
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Power:
NO
Programmable Power:
YES
Qualification Status:
Not Qualified
Seated Height-Max:
0.8 mm
Slew Rate-Min:
0.08 V/us
Slew Rate-Nom:
0.12 V/us
Supply Current-Max:
0.021 mA
Supply Voltage Limit-Max:
20 V
Supply Voltage-Nom (Vsup):
15 V
Surface Mount:
YES
Technology:
BIPOLAR
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Unity Gain BW-Nom:
560
Wideband:
YES
Width:
3 mm
LT1991HDD#PBF Frequently Asked Questions (FAQs)
A good PCB layout for the LT1991HDD involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer PCB with a dedicated ground plane is recommended.
To ensure stability, it's essential to follow the recommended PCB layout, use a low-ESR output capacitor, and add a small series resistor (e.g., 1-2 ohms) between the output and the capacitor. Additionally, ensure that the input and output voltage rails are well-bypassed and decoupled.
The maximum safe operating area (SOA) for the LT1991HDD is limited by the device's thermal and electrical constraints. The SOA is typically defined by the maximum output current, voltage, and power dissipation. Refer to the datasheet for specific SOA graphs and limitations.
To protect the LT1991HDD from overvoltage and overcurrent conditions, use a voltage clamp or a transient voltage suppressor (TVS) diode at the input, and consider adding overcurrent protection (OCP) circuitry, such as a current sense resistor and a comparator, to detect and respond to overcurrent events.
The recommended input capacitance for the LT1991HDD is typically in the range of 1-10 uF, while the recommended output capacitance is typically in the range of 10-100 uF. The specific capacitance values depend on the application, output voltage, and desired transient response.
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LT1991HDD#PBF Overview
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