ISO120SG vs ISO121BG Comparison

Detailed side-by-side comparison of ISO120SG by Texas Instruments and ISO121BG 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 ISO120SG ISO121BG
Brand Texas Instruments Texas Instruments
Category Amplifier ICs Amplifier ICs
Lifecycle Status Unknown Active
Stock Status In Stock In Stock
Unit Price (USD) $471.79 $19.20
Product Type Precision low-cost isolation amplifier Isolation Amplifier
Isolation Architecture Duty-cycle modulation and demodulation across a 2 pF differential capacitive barrier —
Signal Bandwidth 60 kHz —
Isolation Voltage Rating 1500 Vrms 3500 Vrms
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 —
Carrier Frequency User controlled User-controlled (external capacitor)
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] —
RoHS Status [DATA_NEEDED: ISO120SG RoHS status] [DATA_NEEDED: RoHS status]
REACH Status [DATA_NEEDED: ISO120SG REACH status] —
Number of Channels — 1
Input Voltage Range — ±10 V
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
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

Datasheets & Resources

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