ADS7816EB/2K5 Equivalent & Substitute Parts

Part Overview

The ADS7816EB/2K5 is a 12-bit Analog to Digital Converter manufactured by Texas Instruments, designed for single-channel differential input applications with SPI data interface. This SAR (Successive Approximation Register) architecture device operates at 200 kSPS sampling rate with external reference configuration. The part is Active status and ROHS3 compliant, with 878 units currently in stock.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value
Resolution (Bits)	12
Sampling Rate	200 kSPS
Number of Inputs	1
Input Type	Differential
Data Interface	SPI
Architecture	SAR
Reference Type	External
Analog Supply Voltage	5V
Digital Supply Voltage	5V
Operating Temperature Range	-40°C to 85°C
Package Type	8-VSSOP
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	2 (1 Year)

Substitute Part Grouping Explanation

Substitute parts for the ADS7816EB/2K5 are grouped based on strict parameter equivalence across the following criteria:

Core Electrical Parameters (Must Match):

Resolution: 12 bits
Sampling Rate: 200 kSPS
Number of Inputs: 1
Input Type: Differential
Data Interface: SPI
Architecture: SAR
Reference Type: External
Analog Supply: 5V
Digital Supply: 5V
Operating Temperature: -40°C to 85°C
Package: 8-VSSOP

Packaging Designation Variants: The suffix designations (E, EB, EC) and tape reel specifications (/250, /2K5) represent packaging and quantity variations within the same base product number (ADS7816 or ADS7817). These variants maintain identical electrical performance and pinout compatibility.

Base Product Number Variants:

ADS7816 series: MSL 2 (1 Year)
ADS7817 series: MSL 1 (Unlimited)

Both series meet all core electrical and mechanical requirements for direct substitution.

Parameter Comparison

Part Number	Manufacturer	Resolution	Sampling Rate	Inputs	Input Type	Data Interface	Architecture	Reference	Analog Supply	Digital Supply	Temp Range	Package	MSL	Inventory
ADS7816EB/2K5	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	2 (1Y)	878
ADS7816E/250	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	2 (1Y)	2810
ADS7816E/2K5	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	2 (1Y)	2628
ADS7816EB/250	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	2 (1Y)	2400
ADS7816EC/250	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	2 (1Y)	2036
ADS7817E/250	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	1 (Unlimited)	2155
ADS7817E/2K5	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	1 (Unlimited)	1148
ADS7817EB/250	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	1 (Unlimited)	4600
ADS7817EC/250	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	1 (Unlimited)	1302
ADS7817EC/2K5	Texas Instruments	12-bit	200 kSPS	1	Differential	SPI	SAR	External	5V	5V	-40 to 85°C	8-VSSOP	1 (Unlimited)	942

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the ADS7816EB/2K5. Selection between ADS7816 and ADS7817 base product numbers should consider moisture sensitivity requirements: ADS7816 variants carry MSL 2 (1 Year) rating, while ADS7817 variants carry MSL 1 (Unlimited) rating for applications with extended storage or high-humidity environments.

Packaging designations (E, EB, EC) and tape reel quantities (/250, /2K5) represent distribution formats only and do not affect electrical performance or pinout compatibility. Selection among these variants depends on procurement quantity requirements and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can ADS7817 series parts directly replace ADS7816 series parts?

A: Yes. Both series share identical electrical specifications, pinout, and 8-VSSOP package configuration. The primary difference is moisture sensitivity level: ADS7817 offers MSL 1 (Unlimited) versus ADS7816 MSL 2 (1 Year). This distinction affects storage conditions but not functional performance.

Q: What do the suffix designations (E, EB, EC) represent?

A: These designations indicate packaging and lead finish variations within the same base product. All variants maintain identical electrical performance and are mechanically compatible.

Q: What is the difference between /250 and /2K5 tape reel specifications?

A: These represent quantity per reel specifications for tape and reel packaging. /250 indicates 250 units per reel, while /2K5 indicates 2,500 units per reel. Electrical and mechanical specifications remain identical.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the main part ADS7816EB/2K5.

Q: Can I use these parts interchangeably in my PCB design?

A: Yes. All substitute parts share identical pinout, package type (8-VSSOP), and electrical specifications. No circuit modifications are required for substitution.

Q: Which substitute part offers the best long-term storage capability?

A: ADS7817 series variants (ADS7817E/250, ADS7817E/2K5, ADS7817EB/250, ADS7817EC/250, ADS7817EC/2K5) carry MSL 1 (Unlimited) rating, providing unlimited shelf life without moisture sensitivity constraints.

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