ISO121G vs ISO120SG Comparison
Detailed side-by-side comparison of ISO121G by Texas Instruments and ISO120SG by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | ISO121G | ISO120SG |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Unknown | Unknown |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $160.40 | $471.79 |
| Product Type | Precision isolated amplifier | Precision low-cost isolation amplifier |
| Input Signal Range | ±10 V | — |
| Isolation Rating | 3500 Vrms partial-discharge tested | — |
| Differential Capacitive Barrier | 2 pF | — |
| Nonlinearity | ±0.01% maximum | ±0.01% maximum at the precision operating condition |
| Input Operation | Bipolar operation | — |
| Carrier Frequency | User controlled | User controlled |
| Common-Mode Transient Immunity | High at 60 Hz; quantitative value not provided | — |
| Amplifier Circuit Count | 1 circuit | — |
| Supply Voltage | [DATA_NEEDED: supply voltage range] | [DATA_NEEDED: ISO120SG supply voltage range] |
| Gain | [DATA_NEEDED: gain configuration] | — |
| Quiescent Current | [DATA_NEEDED: quiescent current] | — |
| Input Common-Mode Range | [DATA_NEEDED: input common-mode range] | — |
| Output Voltage Range | [DATA_NEEDED: output voltage range] | [DATA_NEEDED: ISO120SG output voltage range] |
| Frequency Response | [DATA_NEEDED: frequency response] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Package | 16-CDIP | — |
| Mounting Type | Through-hole | — |
| Number of Pins | 16 pins | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: ISO120SG RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: ISO120SG REACH status] |
| AEC-Q100 Qualification | Not specified in verified data | — |
| Isolation Architecture | — | Duty-cycle modulation and demodulation across a 2 pF differential capacitive barrier |
| Signal Bandwidth | — | 60 kHz |
| Isolation Voltage Rating | — | 1500 Vrms |
| Input Offset Voltage Drift | — | 150 µV/°C maximum with the specified external-capacitor and reduced-bandwidth condition |
| Common-Mode Rejection | — | High IMR at 60 Hz |
| Supply Operation | — | Bipolar operation |
| Number of Circuits | — | 1 isolation amplifier per package |
| Package Information | — | 16-CDIP according to the DigiKey listing; 24-CDIP with 16 leads according to the Heisener listing |
| Package Family | — | Ceramic dual in-line package (CDIP) |
| Partial Discharge Qualification | — | 100% tested for partial discharge |
| External Components | — | None required for 60 kHz bandwidth; two external capacitors used for specified precision operation |
| Synchronization | — | ISO120 family synchronization feature |
| Operating Temperature | — | [DATA_NEEDED: ISO120SG operating temperature range] |
| Input Differential Voltage Range | — | [DATA_NEEDED: ISO120SG input differential voltage range] |