Part A
AD711JN
ADI公司
- Lifecycle
- Active
- Stock
- 5279 件
- Package
- DIP-8
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
Replacement verdict
Not a drop-in replacement
The AD711JN and AD7111ABNZ are not functionally interchangeable: the AD711JN is a precision BiFET operational amplifier, while the AD7111ABNZ is a multiplying digital-to-analog converter, so they differ in core function, signal interface, and package pinout. Substitution is not recommended without a full circuit redesign.
Different device function
Different signal interface
Different package pinout
Different supply requirements
Parts at a glance
Part B
AD7111ABNZ
ADI公司
- Lifecycle
- Active
- Stock
- 4026 件
- Package
- DIP-16
- Series
- 資料獲取-數模轉換器（DAC）
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD711JN | AD7111ABNZ | Why it matters |
|---|---|---|---|
| Amplifier Type / Function | Operational amplifier (op amp), precision BiFET | Multiplying digital-to-analog converter (DAC) | These are fundamentally different device classes; one is an analog signal amplifier and the other is a digital-to-analog converter, so they are not functionally interchangeable. |
| Package / Mounting | 8-lead PDIP (through-hole) | 16-lead PDIP (through-hole) | Different pin counts and footprints mean the parts cannot be dropped into the same PCB socket or layout. |
| Number of Pins | 8 | 16 | Pin count determines socket compatibility and board layout; mismatched pin counts prevent direct substitution. |
| Supply Voltage Range | ±4.5 V to ±18 V (dual supply) | +5 V to +15 V (single supply, VDD) | Supply requirements differ, so the surrounding power design must match the device; a dual-supply op amp and a single-supply DAC are not power-compatible. |
| Signal Interface | Analog input/output (voltage feedback op amp) | Parallel digital input (8-bit) with analog current output | The interface type dictates how the device connects to the rest of the circuit; analog vs digital interfaces serve entirely different signal-chain roles. |
| Resolution / Precision Spec | Op amp with low offset voltage and high open-loop gain | 8-bit DAC resolution | The relevant precision metric differs by device class; a DAC's bit resolution has no equivalent meaning for an op amp. |
| Primary Function in Circuit | Signal amplification, buffering, active filtering | Digital-to-analog conversion / multiplying DAC operation | Functional substitutability requires matching circuit roles; these parts perform unrelated functions and cannot replace one another. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD711JN | AD7111ABNZ |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Series | - | LOGDAC® |
| Part Status | Obsolete | Obsolete |
| Number of Bits | - | 17 |
| Number of D/A Converters | - | 1 |
| Output Type | - | Current - Unbuffered |
| Differential Output | - | No |
| Data Interface | - | Parallel |
| Voltage - Supply, Analog | - | 5V |
| Voltage - Supply, Digital | - | 5V |
| Architecture | - | R-2R |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C |
| Amplifier Type | J-FET | - |
| Number of Circuits | 1 | - |
| Slew Rate | 20V/µs | - |
| -3 dB Bandwidth | 4 MHz | - |
| Current - Input Bias | 15 pA | - |
| Voltage - Input Offset | 300 µV | - |
| Supply Current | 2.5mA | - |
| Current - Output / Channel | 25 mA | - |
| Voltage - Supply Span(Min) | 9 V | - |
| Voltage - Supply Span(Max) | 36 V | - |
| Mounting Type | Through Hole | - |
Frequently asked questions
Are the AD711JN and AD7111ABNZ the same type of component?
No. The AD711JN is a precision low-noise operational amplifier in an 8-lead PDIP package, while the AD7111ABNZ is a multiplying digital-to-analog converter (DAC) in a 16-lead PDIP package. They are functionally different devices and are not interchangeable.
What are the key differences in package and pin count between the AD711JN and AD7111ABNZ?
The AD711JN is supplied in an 8-lead PDIP (N-8) package, whereas the AD7111ABNZ is supplied in a 16-lead PDIP (N-16) package. The different pin counts and pin functions prevent any direct PCB footprint compatibility.
What is the primary function of the AD711JN?
The AD711JN is a precision operational amplifier featuring low offset voltage, low input bias current, and high open-loop gain, intended for high-accuracy analog signal conditioning, active filters, and instrumentation applications.
What is the primary function of the AD7111ABNZ?
The AD7111ABNZ is a CMOS multiplying DAC designed for digital-to-analog conversion of analog signals, commonly used in programmable gain circuits, attenuators, and signal multiplication applications where a digital code scales an analog input.
Can the AD711JN be used as a direct replacement for the AD7111ABNZ?
No. Because the AD711JN is an operational amplifier and the AD7111ABNZ is a multiplying DAC, they perform fundamentally different functions and have incompatible pinouts and package sizes. Substitution is not possible without a complete redesign.
Do the AD711JN and AD7111ABNZ share the same supply voltage requirements?
Both devices are designed for dual-supply operation typical of analog signal-processing components, but the specific supply ranges and current consumption differ between the op-amp and the multiplying DAC. Designers should consult the respective manufacturer datasheets for exact ratings before use.
Which device is better suited for digital control of an analog signal level?
The AD7111ABNZ is the appropriate choice because it is a multiplying DAC that accepts a digital input code to scale an analog signal. The AD711JN, as an operational amplifier, does not provide digital programmability on its own.
Are the AD711JN and AD7111ABNZ available in RoHS-compliant versions?
RoHS compliance depends on the specific orderable part number and manufacturer revision. The "N" suffix denotes PDIP packaging, but compliance status must be verified against the current manufacturer datasheet or an authorized distributor listing for each exact part number before design commitment.