LOG104

Name: LOG104
Brand: TI
SKU: LOG104
Price: 8.411 USD

AKTIV

Präziser logarithmischer und Log-Ratio-Verstärker mit Skalierungsfaktor von 0,5 V/Dekade;

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Datenblatt

document-pdfAcrobat Precision Logarithmic and Log Ratio Amplifier datasheet (Rev. C) (Englisch)

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LOG104

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Scale factor (V/decade)

0.5

Input current range (min) (nA)

100

Input current range (max) (mA)

3.5

Offset voltage (input amplifiers) (max) (mV)

1.5

Vs (±) (min) (V)

4.5

Vs (±) (max) (V)

18

Iq (max) (mA)

1.5

Dynamic range (typ) (dB)

150

Reference type

External

Auxiliary op amps

0

Full-scale output voltage (min) (±V)

1.2

Full-scale output voltage (max) (±V)

1.5

Conformity error (initial 5 decades) (max) (%)

0.2

Conformity error (initial 5 decades) (typ. over temp) (%/°C)

0.0001

Operating temperature range (°C)

-40 to 85

Specified voltage (±V)

5

Rating

Catalog

Scale factor (V/decade)

0.5

Input current range (min) (nA)

100

Input current range (max) (mA)

3.5

Offset voltage (input amplifiers) (max) (mV)

1.5

Vs (±) (min) (V)

4.5

Vs (±) (max) (V)

18

Iq (max) (mA)

1.5

Dynamic range (typ) (dB)

150

Reference type

External

Auxiliary op amps

0

Full-scale output voltage (min) (±V)

1.2

Full-scale output voltage (max) (±V)

1.5

Conformity error (initial 5 decades) (max) (%)

0.2

Conformity error (initial 5 decades) (typ. over temp) (%/°C)

0.0001

Operating temperature range (°C)

-40 to 85

Specified voltage (±V)

5

Rating

Catalog

SOIC (D)

8

29.4 mm² 4.9 x 6

EASY-TO-USE COMPLETE CORE FUNCTION
HIGH ACCURACY: 0.01% FSO Over 5 Decades
WIDE INPUT DYNAMIC RANGE:
7.5 Decades, 100pA to 3.5mA
LOW QUIESCENT CURRENT: 1mA
WIDE SUPPLY RANGE: ±4.5V to ±18V
APPLICATIONS
- LOG, LOG RATIO, ANTI-LOG COMPUTATION:
  Communication, Analytical, Medical, Industrial, Test, General Instrumentation
- PHOTODIODE SIGNAL COMPRESSION AMP
- ANALOG SIGNAL COMPRESSION IN FRONT OF ANALOG-TO-DIGITAL(A/D)CONVERTER

Note: Protected under US Patent #6,667,650; other patents pending.
All trademarks are the property of their respective owners.

EASY-TO-USE COMPLETE CORE FUNCTION
HIGH ACCURACY: 0.01% FSO Over 5 Decades
WIDE INPUT DYNAMIC RANGE:
7.5 Decades, 100pA to 3.5mA
LOW QUIESCENT CURRENT: 1mA
WIDE SUPPLY RANGE: ±4.5V to ±18V
APPLICATIONS
- LOG, LOG RATIO, ANTI-LOG COMPUTATION:
  Communication, Analytical, Medical, Industrial, Test, General Instrumentation
- PHOTODIODE SIGNAL COMPRESSION AMP
- ANALOG SIGNAL COMPRESSION IN FRONT OF ANALOG-TO-DIGITAL(A/D)CONVERTER

Note: Protected under US Patent #6,667,650; other patents pending.
All trademarks are the property of their respective owners.

The LOG104 is a versatile integrated circuit that computes the logarithm or log ratio of an input current relative to a reference current.

The LOG104 is tested over a wide dynamic range of input signals. In log ratio applications, a signal current can come from a photodiode, and a reference current from a resistor in series with a precision external reference.

The output signal at V_OUT is trimmed to 0.5V per decade of input current, allowing seven decades of input current, dynamic range.

Low DC offset voltage and temperature drift allow accurate measurement of low-level signals over a wide environmental temperature range. The LOG104 is specified over the temperature range –5°C to +75°C, with operation over –40°C to +85°C.

The LOG104 is a versatile integrated circuit that computes the logarithm or log ratio of an input current relative to a reference current.

The LOG104 is tested over a wide dynamic range of input signals. In log ratio applications, a signal current can come from a photodiode, and a reference current from a resistor in series with a precision external reference.

The output signal at V_OUT is trimmed to 0.5V per decade of input current, allowing seven decades of input current, dynamic range.

Low DC offset voltage and temperature drift allow accurate measurement of low-level signals over a wide environmental temperature range. The LOG104 is specified over the temperature range –5°C to +75°C, with operation over –40°C to +85°C.

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	Typ	Titel		Datum
*	Data sheet	Precision Logarithmic and Log Ratio Amplifier datasheet (Rev. C)		04 Apr 2005

LOG104

Präziser logarithmischer und Log-Ratio-Verstärker mit Skalierungsfaktor von 0,5 V/Dekade;

Eine neuere Version dieses Produkts ist verfügbar

Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung

LOG104

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