LT1994CDD#PBF footprint, schematic symbol and 3D model by Analog Devices

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Part Number LT1994CDD#PBF
Manufacturer Analog Devices
Pin Count 9
Part Category Integrated Circuit
Package Category Small Outline No-lead
Footprint Name Small Outline No-lead - LT1964IDD#PBF
Released Date Feb 2, 2021
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

LT1994CDD#PBF Details

Manufacturer Part Number:
LT1994CDD#PBF
Brand Name:
Analog Devices Inc
Pbfree Code:
No
Rohs Code:
Yes
Part Life Cycle Code:
Active
Package Description:
3 X 3 MM, LED FREE, PLASTIC, MO-229-WEED-1, DFN-8
Pin Count:
8
Manufacturer Package Code:
05-08-1698
Country Of Origin:
Malaysia
ECCN Code:
EAR99
HTS Code:
8542.39.00.01
Manufacturer:
Analog Devices Inc
YTEOL:
10
Amplifier Type:
OPERATIONAL AMPLIFIER
Architecture:
VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB):
3 µA
Bias Current-Max (IIB) @25C:
-45 µA
Common-mode Reject Ratio-Min:
55 dB
Common-mode Reject Ratio-Nom:
85 dB
Frequency Compensation:
YES
Input Offset Voltage-Max:
3000 µV
JESD-30 Code:
S-PDSO-N8
JESD-609 Code:
e3
Length:
3 mm
Low-Bias:
NO
Low-Offset:
NO
Micropower:
NO
Moisture Sensitivity Level:
1
Neg Supply Voltage Limit-Max:
-6.3 V
Neg Supply Voltage-Nom (Vsup):
-5 V
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
70 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVSON
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Power:
NO
Programmable Power:
NO
Qualification Status:
Not Qualified
Seated Height-Max:
0.8 mm
Slew Rate-Min:
50 V/us
Slew Rate-Nom:
65 V/us
Supply Current-Max:
20.5 mA
Supply Voltage Limit-Max:
6.3 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Technology:
BIPOLAR
Temperature Grade:
COMMERCIAL
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Unity Gain BW-Nom:
70000
Wideband:
NO
Width:
3 mm

LT1994CDD#PBF Frequently Asked Questions (FAQs)

A good PCB layout for the LT1994 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 in high-gain configurations, it's essential to follow proper PCB layout guidelines, use a low-ESR output capacitor, and add a small capacitor (e.g., 10nF) in parallel with the feedback resistor. Additionally, consider adding a small series resistor (e.g., 10Ω) in the output stage to improve stability.
The maximum power dissipation of the LT1994 is dependent on the package type and ambient temperature. For the DFN package, the maximum power dissipation is approximately 1.4W. To calculate power dissipation, use the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current.
Yes, the LT1994 can be used as a voltage regulator, but it's essential to consider the device's current limit, power dissipation, and output voltage range. The LT1994 is not designed for high-current applications, and the output voltage range is limited to 1.2V to 12V. Additionally, the device may not be suitable for applications requiring tight voltage regulation or low dropout voltage.
To protect the LT1994 from input voltage transients and overvoltage conditions, consider adding a transient voltage suppressor (TVS) diode or a voltage clamp circuit at the input stage. Additionally, ensure that the input capacitor is rated for the maximum expected input voltage, and consider adding a fuse or current limiter to prevent overcurrent conditions.

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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