Request Quote
(Ships tomorrow)
LT1469CS8 Equivalent & Substitute Parts
Part Overview
The LT1469CS8 is a general-purpose operational amplifier manufactured by Analog Devices Inc., configured as a dual-channel integrated circuit in 8-SOIC surface mount packaging. This device is classified as an active product with full RoHS3 compliance and unlimited moisture sensitivity rating. The LT1469CS8 serves applications requiring moderate bandwidth and low input bias current characteristics in compact form factors. Substitute parts are identified to address inventory availability, extended operating temperature ranges, alternative performance characteristics, or specific application requirements while maintaining functional compatibility within defined electrical and mechanical parameters.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Slew Rate | 22 | V/µs |
| Gain Bandwidth Product | 90 | MHz |
| Current - Input Bias | 3 | nA |
| Voltage - Input Offset | 50 | µV |
| Current - Supply | 4.1 (x2 Channels) | mA |
| Current - Output / Channel | 22 | mA |
| Voltage - Supply Span (Min) | 5 | V |
| Voltage - Supply Span (Max) | 9 | V |
| Operating Temperature | 0 to 70 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitute parts for the LT1469CS8 are grouped based on functional and electrical compatibility within the following criteria:
Primary Substitution Criteria:
- Dual-channel operational amplifier configuration (2 circuits)
- 8-SOIC surface mount package (0.154", 3.90mm width)
- General-purpose or voltage feedback amplifier topology
- Operating temperature range compatibility (0°C to 70°C minimum)
- Supply voltage range overlap with 5V to 9V specification
- RoHS3 compliance and unlimited moisture sensitivity rating
Substitution Categories:
Category 1: General-Purpose Amplifiers with Comparable Performance Parts including LM1458M/NOPB, LM1458MX/NOPB, NE5532AD8R2G, and NE5532D8R2G maintain general-purpose amplifier topology with dual-channel configuration and 8-SOIC packaging. These devices operate within overlapping supply voltage ranges and temperature specifications.
Category 2: J-FET Input Amplifiers Parts LF253DT and LF353DT feature J-FET input stages with extended supply voltage ranges (6V to 36V) and lower input bias current (20 pA). LF353DT matches the 0°C to 70°C operating temperature range of the LT1469CS8, while LF253DT extends to -40°C to 105°C.
Category 3: High-Performance Voltage Feedback Amplifiers Parts THS4012CDR, THS4012CD, and THS4012ID are voltage feedback amplifiers with significantly higher slew rates (310V/µs) and gain bandwidth products (290 MHz), suitable for applications requiring enhanced frequency response.
Category 4: Precision General-Purpose Amplifiers Part OPA2277MDTEP provides extended operating temperature range (-55°C to 125°C), lower input offset voltage (20 µV), and wider supply voltage range (4V to 36V) with general-purpose topology.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA/pA) | Input Offset (µV/mV) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|
| LT1469CS8 | Analog Devices | General Purpose | 22 | 90 | 3 nA | 50 µV | 5 | 9 | 0 to 70 | 8-SOIC |
| LF253DT | STMicroelectronics | J-FET | 16 | 4 | 20 pA | 3 mV | 6 | 36 | -40 to 105 | 8-SOIC |
| LF353DT | STMicroelectronics | J-FET | 16 | 4 | 20 pA | 3 mV | 6 | 36 | 0 to 70 | 8-SOIC |
| LM1458M/NOPB | Texas Instruments | General Purpose | 0.5 | 1 | 200 nA | 1 mV | 36 | 36 | 0 to 70 | 8-SOIC |
| LM1458MX/NOPB | National Semiconductor | General Purpose | 0.5 | 1 | 200 nA | 1 mV | 36 | 36 | 0 to 70 | 8-SOIC |
| NE5532AD8R2G | onsemi | General Purpose | 9 | 10 | 300 nA | 500 µV | 6 | 40 | 0 to 70 | 8-SOIC |
| NE5532D8R2G | onsemi | General Purpose | 9 | 10 | 300 nA | 500 µV | 6 | 40 | 0 to 70 | 8-SOIC |
| OPA2277MDTEP | Texas Instruments | General Purpose | 0.8 | 1 | 500 pA | 20 µV | 4 | 36 | -55 to 125 | 8-SOIC |
| THS4012CDR | Texas Instruments | Voltage Feedback | 310 | 290 | 2 µA | 1 mV | 9 | 32 | 0 to 70 | 8-SOIC |
| THS4012CD | Texas Instruments | Voltage Feedback | 310 | 290 | 2 µA | 1 mV | 9 | 32 | 0 to 70 | 8-SOIC |
| THS4012ID | Texas Instruments | Voltage Feedback | 310 | 290 | 2 µA | 1 mV | 9 | 32 | -40 to 85 | 8-SOIC |
Engineering Selection Recommendations
For Direct Functional Replacement (Identical Operating Temperature Range):
LF353DT, NE5532AD8R2G, NE5532D8R2G, THS4012CDR, and THS4012CD all maintain the 0°C to 70°C operating temperature specification of the LT1469CS8. These parts are suitable for applications where thermal operating range is a critical constraint. All listed substitutes maintain RoHS3 compliance and unlimited moisture sensitivity rating, ensuring regulatory and environmental compatibility.
For Extended Temperature Operation:
OPA2277MDTEP extends the operating temperature range to -55°C to 125°C while maintaining general-purpose amplifier topology and RoHS3 compliance. This device is appropriate for applications requiring operation beyond standard industrial temperature ranges. LF253DT provides extended range to -40°C to 105°C with J-FET input characteristics.
For High-Frequency Applications:
THS4012CDR, THS4012CD, and THS4012ID are voltage feedback amplifiers with 290 MHz gain bandwidth product and 310V/µs slew rate, substantially exceeding the LT1469CS8 performance. These devices are suitable for applications requiring high-speed signal processing. Supply voltage range begins at 9V minimum, matching the LT1469CS8 upper limit.
For Low Input Bias Current Applications:
LF253DT and LF353DT feature J-FET input stages with 20 pA input bias current, significantly lower than the LT1469CS8 specification of 3 nA. These devices are appropriate for high-impedance signal sources and precision measurement circuits.
For Precision DC Applications:
OPA2277MDTEP provides 20 µV input offset voltage specification, superior to the LT1469CS8 50 µV specification, with extended supply voltage range (4V to 36V) and lower input bias current (500 pA).
For Cost-Optimized Replacement:
LM1458M/NOPB and LM1458MX/NOPB provide general-purpose dual-channel amplifier functionality in 8-SOIC packaging with 0°C to 70°C operating range and RoHS3 compliance. These devices operate at fixed ±18V supply voltage (36V span) and feature lower slew rate (0.5V/µs) and gain bandwidth product (1 MHz).
Frequently Asked Questions (FAQ)
Q: Can LF353DT directly replace LT1469CS8 in all applications?
A: LF353DT shares identical 8-SOIC packaging, operating temperature range (0°C to 70°C), and RoHS3 compliance. However, LF353DT is a J-FET input amplifier with significantly different electrical characteristics: 16V/µs slew rate (versus 22V/µs), 4 MHz gain bandwidth product (versus 90 MHz), and 20 pA input bias current (versus 3 nA). Substitution is valid only when application requirements are compatible with these performance differences. Supply voltage range differs: LF353DT operates from 6V to 36V, while LT1469CS8 operates from 5V to 9V.
Q: What is the primary difference between general-purpose and voltage feedback amplifier topologies in this comparison?
A: General-purpose amplifiers (LT1469CS8, LM1458M/NOPB, NE5532AD8R2G, OPA2277MDTEP) are optimized for moderate bandwidth and low power consumption with flexible gain configurations. Voltage feedback amplifiers (THS4012CDR, THS4012CD, THS4012ID) are optimized for high-speed applications with significantly higher slew rates (310V/µs versus 22V/µs) and gain bandwidth products (290 MHz versus 90 MHz). Voltage feedback topology is not interchangeable with general-purpose topology without circuit redesign.
Q: Are all substitute parts RoHS3 compliant?
A: All substitute parts listed in this reference maintain RoHS3 compliance status. Moisture sensitivity level is unlimited (MSL 1) for all parts except OPA2277MDTEP, which specifies MSL 3 (168 hours). This difference affects storage and handling requirements but does not impact functional compatibility.
Q: What supply voltage considerations apply when selecting a substitute?
A: LT1469CS8 operates from 5V to 9V supply span. Substitute parts have varying supply requirements: LF253DT and LF353DT operate from 6V to 36V; LM1458M/NOPB and LM1458MX/NOPB require fixed ±18V (36V span); NE5532AD8R2G and NE5532D8R2G operate from 6V to 40V; OPA2277MDTEP operates from 4V to 36V; THS4012 variants operate from 9V to 32V. Substitution requires verification that the application supply voltage falls within the substitute part's specified range.
Q: How do input bias current specifications affect circuit design?
A: LT1469CS8 specifies 3 nA input bias current. Substitute parts range from 20 pA (LF253DT, LF353DT) to 2 µA (THS4012 variants). Lower input bias current reduces errors in high-impedance circuits and precision measurement applications. Higher input bias current may require input bias current compensation networks in sensitive applications. J-FET input devices (LF253DT, LF353DT) provide the lowest bias current but exhibit higher input offset voltage (3 mV versus 50 µV).
Q: What packaging considerations apply to these substitutes?
A: All substitute parts are configured in 8-SOIC surface mount packaging with 0.154" (3.90mm) width, matching the LT1469CS8 footprint. Packaging variants differ in tape and reel configurations (Cut Tape, Digi-Reel, Tape & Reel, or Tube), affecting procurement and assembly processes but not electrical or mechanical compatibility.
Q: Can THS4012 variants be used as direct replacements for general-purpose applications?
A: THS4012 variants (THS4012CDR, THS4012CD, THS4012ID) are voltage feedback amplifiers optimized for high-speed applications, not general-purpose replacements. These devices feature 310V/µs slew rate and 290 MHz gain bandwidth product, substantially exceeding LT1469CS8 specifications. Substitution requires circuit redesign to accommodate higher performance characteristics and different input bias current (2 µA). Minimum supply voltage is 9V, matching the LT1469CS8 upper limit.
Q: Which substitute provides the best precision performance?
A: OPA2277MDTEP provides the lowest input offset voltage (20 µV versus LT1469CS8 50 µV) and lowest input bias current (500 pA versus 3 nA). This device is optimized for precision DC applications and extends operating temperature range to -55°C to 125°C. Supply voltage range is 4V to 36V, providing greater flexibility than the LT1469CS8 5V to 9V specification.
Q: Are there inventory considerations when selecting substitutes?
A: Inventory levels vary significantly among substitute parts. OPA2277MDTEP shows highest inventory (692,027 pcs), while THS4012ID shows lower availability (1,986 pcs). Inventory status should be verified at time of procurement, as availability affects lead times and supply chain planning.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts