Datasheet Texas Instruments LOG112
| Manufacturer | Texas Instruments |
| Series | LOG112 |
Precision Logarithmic and Log Ratio Amplifier with On-Chip 2.5V Voltage Reference
Datasheets
Precision Logarithmic and Log Ratio Amplifier datasheet
PDF, 761 Kb, Revision: D, File published: Apr 4, 2005
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Prices
Status
| LOG112AID | LOG112AIDE4 | LOG112AIDR | |
|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | No |
Packaging
| LOG112AID | LOG112AIDE4 | LOG112AIDR | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 14 | 14 | 14 |
| Package Type | D | D | D |
| Industry STD Term | SOIC | SOIC | SOIC |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 50 | 50 | 2500 |
| Carrier | TUBE | TUBE | LARGE T&R |
| Device Marking | LOG112A | LOG112A | LOG112A |
| Width (mm) | 3.91 | 3.91 | 3.91 |
| Length (mm) | 8.65 | 8.65 | 8.65 |
| Thickness (mm) | 1.58 | 1.58 | 1.58 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 |
| Max Height (mm) | 1.75 | 1.75 | 1.75 |
| Mechanical Data | Download | Download | Download |
Parametrics
| Parameters / Models | LOG112AID | LOG112AIDE4 | LOG112AIDR |
|---|---|---|---|
| Auxiliary Op Amps | 1 | 1 | 1 |
| Conformity Error (initial 5 decades) (typ. over temp), %/degree C | 0.0001 | 0.0001 | 0.0001 |
| Conformity Error (initial 5 decades)(Max), % | 0.2 | 0.2 | 0.2 |
| Full-Scale Output Voltage(Max), +/- V | 3.5 | 3.5 | 3.5 |
| Full-Scale Output Voltage(Min), +/- V | -3.8 | -3.8 | -3.8 |
| Input Current Range(Max), mA | 3.5 | 3.5 | 3.5 |
| Input Current Range(Min), nA | 1 | 1 | 1 |
| Iq(Max), mA | 1.75 | 1.75 | 1.75 |
| Offset Voltage (Input Amplifiers)(Max), mV | 1.5 | 1.5 | 1.5 |
| Operating Temperature Range, C | -5 to 75 | -5 to 75 | -5 to 75 |
| Package Group | SOIC | SOIC | SOIC |
| Package Size: mm2:W x L, PKG | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) |
| Rating | Catalog | Catalog | Catalog |
| Reference Type | Internal | Internal | Internal |
| Scale Factor, V/decade | 0.5 | 0.5 | 0.5 |
| Specified Voltage, +/- V | 5 | 5 | 5 |
| Vs (+/-)(Max), V | 18 | 18 | 18 |
| Vs (+/-)(Min), V | 4.5 | 4.5 | 4.5 |
Eco Plan
| LOG112AID | LOG112AIDE4 | LOG112AIDR | |
|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant |
Model Line
Series: LOG112 (3)
Manufacturer's Classification
- Semiconductors> Amplifiers> Special Function Amplifiers> Logarithmic Amplifiers
