Part A
AD711JNZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 2634 PCS
- Package
- DIP-8
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Replacement verdict
Not a drop-in replacement
The AD711JNZ and AD7111LN are fundamentally different devices and cannot be treated as interchangeable. The AD711JNZ is a precision operational amplifier, while the AD7111LN is a multiplying digital-to-analog converter; their functions, pinouts, and electrical characteristics are not compatible, so substitution requires a complete circuit redesign rather than a direct swap.
Different device function
Different pinout
Different package
Different supply requirements
Parts at a glance
Part B
AD7111LN
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 2017 PCS
- Package
- DIP-16
- Series
- Acquisition de données - convertisseur numérique - analogique (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 | AD711JNZ | AD7111LN | Why it matters |
|---|---|---|---|
| Function / Device Type | Operational Amplifier (op amp) | Multiplying Digital-to-Analog Converter (DAC) | These are fundamentally different device classes, so they are not functionally substitutable in a circuit. |
| Package | 8-lead PDIP | 18-lead PDIP | Different pin counts and footprints prevent direct board-level interchange. |
| Number of Pins | 8 | 18 | Pin count determines socket and PCB compatibility. |
| Supply Voltage Range | ±4.5 V to ±18 V (dual supply) | +5 V to +15 V (single supply) | Supply requirements must match the system power rails for safe operation. |
| Signal Interface | Analog input/output (voltage feedback op amp) | Digital input (8-bit) with analog current output | The interface type determines how the part connects to surrounding circuitry. |
| Resolution / Precision | Not applicable (continuous analog amplifier) | 8-bit DAC resolution | Resolution defines the quantization granularity of the DAC output. |
| Output Type | Voltage output | Current output (multiplying DAC) | Output type dictates the external circuitry needed to condition the signal. |
| Operating Temperature Range | 0 °C to +70 °C (commercial) | 0 °C to +70 °C (commercial) | Both share the same commercial temperature grade, so thermal range is not a differentiator here. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD711JNZ | AD7111LN |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Series | - | LOGDAC® |
| Part Status | Active | 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 | 0°C ~ 70°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 AD711JNZ and AD7111LN interchangeable in a circuit design?
No. The AD711JNZ is a precision low-drift BiFET operational amplifier, while the AD7111LN is a CMOS multiplying digital-to-analog converter (DAC). They are functionally different device categories and cannot be substituted for one another.
What are the key functional differences between the AD711JNZ and AD7111LN?
The AD711JNZ is a single op amp offering low offset voltage, low drift, and high open-loop gain for precision analog signal conditioning. The AD7111LN is an 8-bit multiplying DAC with a current output, designed for digital-to-analog conversion and multiplying applications. Their functions, pinouts, and application circuits are entirely different.
What package types do the AD711JNZ and AD7111LN use?
The AD711JNZ is supplied in an 8-lead PDIP (plastic dual in-line package). The AD7111LN is supplied in a 16-lead PDIP. The different pin counts and pin functions prevent any direct PCB-level interchange.
Can the AD711JNZ be used as a DAC or the AD7111LN as an op amp?
No. The AD711JNZ is an operational amplifier and does not perform digital-to-analog conversion. The AD7111LN is a multiplying DAC and is not an operational amplifier. Each device must be used according to its specified function in the manufacturer datasheet.
Do the AD711JNZ and AD7111LN share the same supply voltage requirements?
No. The AD711JNZ operates from dual supplies typically in the ±4.5 V to ±18 V range. The AD7111LN operates from a single +5 V supply (with specified limits per the datasheet). Supply requirements differ and must be verified against each device's datasheet before use.
Are the AD711JNZ and AD7111LN from the same manufacturer?
Both devices are Analog Devices products. However, they belong to different product families and have different datasheets, specifications, and application requirements.
What should a designer check before selecting between the AD711JNZ and AD7111LN?
The designer should first confirm the required function: precision analog amplification (AD711JNZ) versus digital-to-analog conversion (AD7111LN). Then verify package, pinout, supply voltage, input/output characteristics, and application circuit against the respective manufacturer datasheet.