Datasheet Texas Instruments ACF2101 — Ficha de datos

Fabricante	Texas Instruments
Serie	ACF2101

Integrador de bajo ruido y doble conmutación

Hojas de datos

PDF, 249 Kb, Archivo publicado: sept 27, 2000

Extracto del documento

	ACF2101BP	ACF2101BU	ACF2101BUE4
Estado del ciclo de vida	Obsoleto (El fabricante ha interrumpido la producción del dispositivo)	Activo (Recomendado para nuevos diseños)	Activo (Recomendado para nuevos diseños)
Disponibilidad de muestra del fabricante	No	No	No

Parameters / Models	ACF2101BP	ACF2101BU	ACF2101BUE4
Additional Features	N/A	N/A	N/A
Approx. Price (US$)	21.06 \| 1ku
Architecture	N/A	N/A	N/A
GBW(Typ), MHz		2	2
GBW(Typ)(MHz)	2
Input Bias Current(Max), pA		1	1
Input Bias Current(Max)(pA)	1
Iq per channel(Max), mA		15.5	15.5
Iq per channel(Max)(mA)	15.5
Iq per channel(Typ), mA		15.5	15.5
Iq per channel(Typ)(mA)	15.5
Number of Channels		2	2
Number of Channels(#)	2
Offset Drift(Typ), uV/C		5	5
Offset Drift(Typ)(uV/C)	5
Operating Temperature Range, C		-40 to 125	-40 to 125
Operating Temperature Range(C)	-40 to 125
Output Current(Typ), mA		25	25
Output Current(Typ)(mA)	25
Package Group	SOIC	SOIC	SOIC
Package Size: mm2:W x L, PKG		24SOIC: 160 mm2: 10.3 x 15.5(SOIC)	24SOIC: 160 mm2: 10.3 x 15.5(SOIC)
Package Size: mm2:W x L (PKG)	See datasheet (PDIP)
Rail-to-Rail	No	No	No
Rating	Catalog	Catalog	Catalog
Slew Rate(Typ), V/us		3	3
Slew Rate(Typ)(V/us)	3
Total Supply Voltage(Max), +5V=5, +/-5V=10		36	36
Total Supply Voltage(Max)(+5V=5, +/-5V=10)	36
Total Supply Voltage(Min), +5V=5, +/-5V=10		14.5	14.5
Total Supply Voltage(Min)(+5V=5, +/-5V=10)	14.5
Vos (Offset Voltage @ 25C)(Max), mV		2	2
Vos (Offset Voltage @ 25C)(Max)(mV)	2

	ACF2101BP	ACF2101BU	ACF2101BUE4
RoHS	Desobediente	Obediente	Obediente
Pb gratis	No

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Improved Noise Performance of the ACF2101 Switched Integrator
PDF, 42 Kb, Archivo publicado: sept 27, 2000
The signal-to-noise ratio and bandwidth of the combination of the ACF2101 dual, switched integrator and a low-level input current is exceptional when compared to the performance of a classical transimpedance amplifier. To further improve the ACF2101 signal-to-noise ratio, a resistor can be added in series with the input sensor.
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The ACF2101 Used as a Bipolar Switched Integrator
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The ACF2101 is a dual, switched integrator that is typically used to convert a positive input current to a negative output voltage by integration, using an integration capacitor (CINT), either on the chip or an external capacitor provided by the user. Typical applications for the ACF2101 are photo diode integrators, current measurements, charge measurements, and a CT scanner front end.
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Comparison of Noise Performance of FET Transimpedence Amp/Switched Integrator
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Low-input current FET operational amplifiers are universlly used to monitor photodetector, or more commonly photodiode currents. These photodetectors bridge the gap between a physical event, light, and electronics. There are a variey of amplifier configurations to select from and the choice is based on noise, bandwidth, offset, and linearity. A considerable amount has been written on the performan

Serie: ACF2101 (3)