ISO121BG vs ISO120SG Comparison
Detailed side-by-side comparison of ISO121BG 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.
Texas Instruments
ISO121BG - ±10V Precision Isolation Amplifier 3500Vrms | Texas Instruments
ISO121BG ✓ Active
Specification Comparison
| Parameter | ISO121BG | ISO120SG |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Unknown |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $19.20 | $471.79 |
| Product Type | Isolation Amplifier | Precision low-cost isolation amplifier |
| Number of Channels | 1 | — |
| Input Voltage Range | ±10 V | — |
| Isolation Voltage Rating | 3500 Vrms | 1500 Vrms |
| Nonlinearity (max) | ±0.01 % | — |
| Supply Voltage Range | ±4.5 V to ±18 V | — |
| Common-Mode Rejection (IMR) at 60 Hz | High (per datasheet) | — |
| Modulation Technique | Duty-cycle modulation/demodulation | — |
| Isolation Barrier | 2 pF differential capacitive | — |
| Carrier Frequency | User-controlled (external capacitor) | User controlled |
| Partial Discharge Tested | 100% tested | — |
| Operating Temperature Range | -55 C to +125 C | — |
| Package | 16-pin CDIP_SB (JVD) side-brazed ceramic DIP | — |
| Mounting Type | Through-Hole | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: ISO120SG RoHS status] |
| Isolation Architecture | — | Duty-cycle modulation and demodulation across a 2 pF differential capacitive barrier |
| Signal Bandwidth | — | 60 kHz |
| Nonlinearity | — | ±0.01% maximum at the precision operating condition |
| 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] |
| Supply Voltage | — | [DATA_NEEDED: ISO120SG supply voltage range] |
| Input Differential Voltage Range | — | [DATA_NEEDED: ISO120SG input differential voltage range] |
| Output Voltage Range | — | [DATA_NEEDED: ISO120SG output voltage range] |
| REACH Status | — | [DATA_NEEDED: ISO120SG REACH status] |