LM833P Equivalent & Substitute Parts Reference

Part Overview

The LM833P is a dual-channel audio amplifier integrated circuit manufactured by Texas Instruments in 8-DIP through-hole packaging. This device is classified as Last Time Buy, indicating discontinued production with limited remaining inventory. The LM833P operates across a wide supply voltage range (10V to 36V) and is suitable for audio frequency applications requiring moderate gain-bandwidth performance. Due to its Last Time Buy status, identifying functionally equivalent substitute components is essential for design continuity and long-term product support.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Audio	—
Number of Circuits	2	—
Slew Rate	7	V/µs
Gain Bandwidth Product	16	MHz
Current - Input Bias	300	nA
Voltage - Input Offset	150	µV
Current - Supply (per Channel)	2.05	mA
Current - Output / Channel	37	mA
Voltage - Supply Span (Min)	10	V
Voltage - Supply Span (Max)	36	V
Operating Temperature Range	-40 to 85	°C
Mounting Type	Through Hole	—
Package / Case	8-DIP (0.300", 7.62mm)	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the LM833P is determined by the following critical parameters:

Primary Substitution Criteria:

Dual-channel configuration (Number of Circuits = 2)
Through-hole 8-DIP package compatibility (0.300", 7.62mm)
Supply voltage range overlap with 10V minimum and 36V maximum
Output current capability of 37 mA per channel or greater
Operating temperature range encompassing -40°C to 85°C

Secondary Compatibility Factors:

Audio amplifier classification or equivalent feedback topology
Input bias current and input offset voltage within acceptable design margins
Slew rate and gain-bandwidth product suitable for audio frequency applications

The substitute parts identified below meet the primary substitution criteria. Variations in secondary parameters reflect different amplifier topologies (voltage feedback vs. current feedback) and performance characteristics that may be acceptable depending on specific application requirements.

Parameter Comparison

Parameter	LM833P	LM833DR	AD812ANZ	AD828ANZ	LT1355CN8#PBF
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Number of Circuits	2	2	2	2	2
Mounting Type	Through Hole	Surface Mount	Through Hole	Through Hole	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)	8-SOIC (0.154", 3.90mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Slew Rate	7 V/µs	7 V/µs	1600 V/µs	450 V/µs	400 V/µs
Gain Bandwidth Product	16 MHz	16 MHz	145 MHz	130 MHz	12 MHz
Current - Input Bias	300 nA	300 nA	—	—	80 nA
Voltage - Input Offset	150 µV	150 µV	—	—	300 µV
Current - Supply	2.05 mA (x2)	2.05 mA (x2)	4.5 mA	14 mA	1 mA (x2)
Current - Output / Channel	37 mA	37 mA	50 mA	50 mA	30 mA
Voltage - Supply Span (Min)	10 V	10 V	2.4 V (single) / ±1.2 V (dual)	5 V (single) / ±2.5 V (dual)	5 V
Voltage - Supply Span (Max)	36 V	36 V	36 V	36 V	30 V
Operating Temperature	-40 to 85 °C	-40 to 85 °C	—	—	0 to 70 °C
Product Status	Last Time Buy	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

LM833DR (Texas Instruments)

The LM833DR is the direct functional equivalent of the LM833P, maintaining identical electrical specifications including slew rate, gain-bandwidth product, input bias current, and supply voltage range. The primary difference is packaging: LM833DR uses 8-SOIC surface-mount configuration versus the through-hole 8-DIP of the LM833P. This substitute is suitable only for designs that can accommodate surface-mount assembly. Both devices share Active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment.

AD812ANZ (Analog Devices Inc.)

The AD812ANZ is a current-feedback video amplifier with dual channels in 8-DIP through-hole packaging. It maintains package compatibility and through-hole mounting with the LM833P. However, the AD812ANZ exhibits significantly higher slew rate (1600 V/µs) and gain-bandwidth product (145 MHz), reflecting its video amplifier classification. Supply current is higher at 4.5 mA, and output current capability is greater at 50 mA per channel. This substitute is applicable when higher bandwidth and slew rate performance are acceptable or beneficial. Operating temperature range is not specified in the provided data.

AD828ANZ (Analog Devices Inc.)

The AD828ANZ is a voltage-feedback video amplifier with dual channels in 8-DIP through-hole packaging. It provides package and mounting compatibility with the LM833P. The AD828ANZ features higher slew rate (450 V/µs) and gain-bandwidth product (130 MHz) compared to the LM833P, with increased output current capability (50 mA per channel). Supply current requirement is substantially higher at 14 mA. This substitute accommodates applications requiring enhanced bandwidth performance. Operating temperature range is not specified in the provided data.

LT1355CN8#PBF (Analog Devices Inc.)

The LT1355CN8#PBF is a voltage-feedback amplifier with dual channels in 8-DIP through-hole packaging, providing direct package compatibility with the LM833P. The LT1355CN8#PBF exhibits lower input bias current (80 nA) and lower supply current (1 mA per channel), making it suitable for low-power applications. However, the maximum supply voltage is limited to 30V, and the operating temperature range is restricted to 0°C to 70°C, which does not encompass the full -40°C to 85°C range of the LM833P. This substitute is applicable only when the reduced temperature range and lower maximum supply voltage are acceptable for the target application.

Frequently Asked Questions (FAQ)

Q: Can the LM833DR directly replace the LM833P in existing PCB designs?

A: The LM833DR is electrically equivalent to the LM833P but uses 8-SOIC surface-mount packaging instead of 8-DIP through-hole packaging. Direct PCB replacement is not possible without redesigning the board layout and footprint. If your design uses through-hole sockets or through-hole assembly, the LM833DR cannot be used without adapter hardware or board modification.

Q: What is the primary difference between the AD812ANZ and AD828ANZ substitutes?

A: Both devices are dual-channel amplifiers in 8-DIP through-hole packaging compatible with the LM833P. The AD812ANZ uses current-feedback topology with higher slew rate (1600 V/µs) and lower supply current (4.5 mA). The AD828ANZ uses voltage-feedback topology with moderate slew rate (450 V/µs) and higher supply current (14 mA). Selection depends on whether current-feedback or voltage-feedback characteristics are preferred for your application.

Q: Is the LT1355CN8#PBF suitable as a substitute for all LM833P applications?

A: The LT1355CN8#PBF provides 8-DIP through-hole package compatibility and lower power consumption. However, it has two significant limitations: maximum supply voltage of 30V (versus 36V for the LM833P) and operating temperature range of 0°C to 70°C (versus -40°C to 85°C for the LM833P). Use this substitute only if your application operates within these restricted ranges.

Q: Why does the LM833P have Last Time Buy status?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of the LM833P. Existing inventory is available for purchase, but no future production is planned. This status necessitates identifying and qualifying substitute components for long-term design support and production continuity.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all substitute parts listed (LM833DR, AD812ANZ, AD828ANZ, and LT1355CN8#PBF) are ROHS3 compliant, matching the compliance status of the LM833P. All parts are also REACH Unaffected and classified under ECCN EAR99.

Q: What is the key parameter that determines substitution eligibility?

A: The primary substitution criteria are: dual-channel configuration, 8-DIP through-hole package (0.300", 7.62mm), supply voltage range compatibility, and output current capability of 37 mA per channel or greater. Secondary factors include input bias current, input offset voltage, slew rate, and gain-bandwidth product, which may vary depending on application requirements.

Q: Can I use the AD812ANZ or AD828ANZ in audio applications designed for the LM833P?

A: Yes, both the AD812ANZ and AD828ANZ can be used in audio applications. These devices are classified as video amplifiers but are functionally suitable for audio frequency applications. The higher bandwidth and slew rate of these devices will not degrade audio performance; however, increased supply current consumption should be considered in power budget calculations.

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