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TSH62CDT Equivalent & Substitute Parts
Part Overview
The TSH62CDT is a general-purpose operational amplifier manufactured by STMicroelectronics, configured as a dual-circuit (2-channel) rail-to-rail output device in an 8-SOIC surface-mount package. This component is classified as obsolete, indicating that STMicroelectronics has discontinued production. The identification of equivalent and substitute parts is necessary to maintain design continuity, support legacy system repairs, and enable procurement of functionally compatible alternatives from active product lines.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | TSH62CDT | — |
| Manufacturer | STMicroelectronics | — |
| Category | Linear, Amplifiers | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 98 | V/µs |
| Gain Bandwidth Product | 60 | MHz |
| -3dB Bandwidth | 74 | MHz |
| Current - Input Bias | 6 | µA |
| Voltage - Input Offset | 1.5 | mV |
| Current - Output / Channel | 45 | mA |
| Voltage - Supply Span (Min) | 5 | V |
| Voltage - Supply Span (Max) | 12 | V |
| Operating Temperature | 0°C ~ 70°C | — |
| Product Status | Obsolete | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the TSH62CDT is determined by the following critical parameters:
Mandatory Compatibility Criteria:
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Number of Circuits: 2
- Output Type: Rail-to-Rail
- Voltage - Supply Span: Minimum 5 V to Maximum 12 V overlap
Performance Parameters for Functional Equivalence:
- Slew Rate: 98 V/µs (minimum acceptable threshold)
- Gain Bandwidth Product: 60 MHz (minimum acceptable threshold)
- -3dB Bandwidth: 74 MHz (minimum acceptable threshold)
- Current - Output / Channel: 45 mA (minimum acceptable threshold)
- Current - Input Bias: 6 µA (maximum acceptable threshold)
- Voltage - Input Offset: 1.5 mV (maximum acceptable threshold)
Substitute parts are grouped into two categories based on amplifier type and performance characteristics:
Category A: General Purpose Amplifiers (AD8028, AD8030) These parts maintain the general-purpose amplifier classification and provide enhanced performance specifications while maintaining full package and pinout compatibility.
Category B: Voltage Feedback Amplifiers (AD8042, AD8052) These parts feature voltage feedback topology with higher slew rates and bandwidth characteristics, suitable for applications requiring improved frequency response and transient performance.
Parameter Comparison
| Parameter | TSH62CDT | AD8028ARZ | AD8030ARZ | AD8042ARZ | AD8052ARZ |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Obsolete | Active | Active | Active | Active |
| Amplifier Type | General Purpose | General Purpose | General Purpose | Voltage Feedback | Voltage Feedback |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Slew Rate (V/µs) | 98 | 100 | 63 | 225 | 170 |
| Gain Bandwidth Product (MHz) | 60 | — | — | 90 | — |
| -3dB Bandwidth (MHz) | 74 | 190 | 125 | 170 | 110 |
| Current - Input Bias (µA) | 6 | 4 | 0.0007 | 1.2 | 1.4 |
| Voltage - Input Offset (mV) | 1.5 | 0.2 | 1.6 | 3 | 1.7 |
| Current - Output / Channel (mA) | 45 | 120 | 170 | 50 | 45 |
| Voltage - Supply Span (Min) (V) | 5 | 2.7 | 2.7 | 3 | 3 |
| Voltage - Supply Span (Max) (V) | 12 | 12 | 12 | 12 | 12 |
| Operating Temperature (°C) | 0 ~ 70 | -40 ~ 125 | -40 ~ 125 | -40 ~ 85 | -40 ~ 125 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
For Direct Replacement (General Purpose Applications):
The AD8028ARZ and AD8030ARZ series provide direct functional substitution for the TSH62CDT in general-purpose amplifier applications. Both devices are manufactured by Analog Devices Inc., maintain active product status, and are ROHS3 compliant with MSL 1 rating. The AD8028ARZ offers superior bandwidth performance (190 MHz -3dB bandwidth) and higher output current capability (120 mA per channel), making it suitable for applications requiring enhanced frequency response. The AD8030ARZ provides lower input bias current (700 nA) and reduced supply current consumption, beneficial for low-power and precision applications.
For High-Speed Applications:
The AD8042ARZ and AD8052ARZ voltage feedback amplifiers provide enhanced slew rate performance (225 V/µs and 170 V/µs respectively) compared to the TSH62CDT (98 V/µs). These devices are appropriate for applications requiring faster transient response and higher frequency operation. The AD8042ARZ delivers the highest slew rate and gain bandwidth product (90 MHz), while the AD8052ARZ offers a balanced performance profile with moderate slew rate and extended operating temperature range (-40°C to 125°C).
Packaging and Procurement Considerations:
All substitute parts are available in multiple packaging configurations: tube, tape & reel (TR), and cut tape with Digi-Reel® (CT). Selection of packaging format should align with production volume and assembly requirements. The AD8028ARZ-REEL7, AD8030ARZ-REEL7, AD8042ARZ-REEL7, and AD8052ARZ variants are available in cut tape format with extended reel quantities, supporting high-volume manufacturing operations.
Compliance and Regulatory Status:
All substitute parts maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity) classification, ensuring compatibility with modern manufacturing and storage requirements. REACH status is unaffected for all listed alternatives.
Frequently Asked Questions (FAQ)
Q: Can the AD8028ARZ directly replace the TSH62CDT in existing PCB designs?
A: Yes. The AD8028ARZ maintains identical 8-SOIC package geometry, pinout configuration, and surface-mount characteristics. The device operates within the TSH62CDT supply voltage range (5 V to 12 V overlap) and provides superior performance specifications. No PCB modifications are required.
Q: What is the primary difference between the AD8028ARZ and AD8030ARZ?
A: The AD8028ARZ features higher bandwidth (190 MHz -3dB) and output current (120 mA per channel), while the AD8030ARZ provides significantly lower input bias current (700 nA versus 4 µA) and reduced supply current consumption (1.4 mA per channel pair versus 6.5 mA). Selection depends on application requirements for bandwidth or low-power operation.
Q: Are the AD8042ARZ and AD8052ARZ suitable for direct replacement of the TSH62CDT?
A: These voltage feedback amplifiers provide functional substitution with enhanced performance characteristics. The primary distinction is amplifier topology (voltage feedback versus general purpose) and higher slew rates. Applications requiring faster transient response benefit from these devices. Verify circuit design compatibility with voltage feedback topology before implementation.
Q: What packaging options are available for high-volume production?
A: All substitute parts are available in cut tape with Digi-Reel® format (designated -REEL7 suffix), supporting automated assembly processes. The AD8028ARZ-REEL7, AD8030ARZ-REEL7, AD8042ARZ-REEL7, and AD8052ARZ variants provide extended reel quantities suitable for high-volume manufacturing.
Q: Do all substitute parts meet RoHS3 and MSL requirements?
A: Yes. All listed substitute parts are ROHS3 compliant and carry MSL 1 (unlimited) classification, ensuring compatibility with current manufacturing standards and storage protocols.
Q: What is the operating temperature range difference between the TSH62CDT and substitute parts?
A: The TSH62CDT operates from 0°C to 70°C. The AD8028ARZ, AD8030ARZ, and AD8052ARZ extend the range to -40°C to 125°C, while the AD8042ARZ operates from -40°C to 85°C. Applications requiring extended temperature operation benefit from these alternatives.
Q: How do the slew rate specifications compare?
A: The TSH62CDT provides 98 V/µs slew rate. The AD8028ARZ matches this at 100 V/µs, the AD8030ARZ provides 63 V/µs, the AD8042ARZ delivers 225 V/µs, and the AD8052ARZ provides 170 V/µs. Higher slew rates support faster signal transitions and improved high-frequency performance.
Q: Are there inventory considerations for procurement?
A: The TSH62CDT is obsolete with 19,484 pieces in stock. Active alternatives include AD8028ARZ (2,192 pcs), AD8030ARZ (15,318 pcs), AD8042ARZ (2,648 pcs), and AD8052ARZ (2,818 pcs). Reel variants provide significantly higher quantities for production planning.
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