Texas Instruments PGA309AIPWR
- Part Number:
- PGA309AIPWR
- Manufacturer:
- Texas Instruments
- Ventron No:
- 3177374-PGA309AIPWR
- Description:
- PGA309 Voltage Output Programmable Sensor Conditioner
- Datasheet:
- pga309
- PGA/VGAPGA
- Number of channels2
- Vs (max) (V)5
- Vs (min) (V)2.7
- Slew rate (typ) (V/μs)0.5
- Operating temperature range (°C)-40 to 125
- RatingCatalog
The PGA309 is a programmable analog signal conditioner designed for bridge sensors. The analog signal path amplifies the sensor signal and provides digital calibration for zero, span, zero drift, span drift, and sensor linearization errors with applied stress (pressure, strain, etc.). The calibration is done via a One-Wire digital serial interface or through a Two-Wire industry-standard connection. The calibration parameters are stored in external nonvolatile memory (typically SOT23-5) to eliminate manual trimming and achieve long-term stability.
The all-analog signal path contains a 2x2 input multiplexer (mux), auto-zero programmable-gain instrumentation amplifier, linearization circuit, voltage reference, internal oscillator, control logic, and an output amplifier. Programmable level shifting compensates for sensor dc offsets.
The core of the PGA309 is the precision, low-drift, no 1/f noise Front-End PGA (Programmable Gain Amplifier). The overall gain of the Front-End PGA Output Amplifier can be adjusted from 2.7V/V to 1152V/V. The polarity of the inputs can be switched through the input mux to accommodate sensors with unknown polarity output. The Fault Monitor circuit detects and signals sensor burnout, overload, and system fault conditions.
For detailed application information, see the PGA309 User's Guide (SBOU024) available for download at www.ti.com.
SENSOR CONDITIONER, 400KHZ, TSSOP-16; Bande passante: 400kHz; Tension, alimentation min.: 2.7V; Tension, alimentation max..: 5.5V; Type de boîtier d'amplificateur: TSSOP; Nombre de broches: 16Broche(s); Température d'utilisat
Sensor Conditioner, 400Khz, Tssop-16; Bandwidth:400Khz; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Amplifier Case Style:Tssop; No. Of Pins:16Pins; Operating Temperature Min:-40°C; Operating Temperature Max:125°C; Product Rohs Compliant: Yes |TEXAS INSTRUMENTS PGA309AIPWR
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