For information on accessories for the 1B31, please visit the AC1222 product page.

The 1B31 is a high performance strain gage signal-conditioning component that offers the industry's best price/performance solution for applications involving high-accuracy interface to strain gage transducers and load cells. Packaged in a 28-pin double DIP using hybrid technology, the 1B31 is a compact and highly reliable product. Functionally, the signal conditioner consists of three sections; a precision instrumentation amplifier, a two-pole low pass filter, and an adjustable transducer excitation.

Applications

Measurement of: Strain, Torque, Force, Pressure

Instrumentation: Indicators, Recorders, Controllers

Data Acquisition Systems

Microcomputer Analog I/O

Part#	Supply Voltage (v)	Input Type	Isolated	Bandwidth (Hz)	Output Range	Output Type	Input Range	Price* (1000-4999)
1B21	±15	Vin	Y	100	4-20mA, 0-20mA	I	0-1V to 0-10V	$53.44
1B22	±15	Vin	Y	400	4-20mA, 0-20mA	V	0-1V to 0-10V	$73.33
1B31	±15	Gage	Y	20000	+/- 10V	V	Refer to Data Sheet	$188.24
1B32	±15	Gage	N	4	+/- 10V	V	Refer to Data Sheet	-
1B41	±15	RTD	Y	3	+/- 10V	V	Refer to Data Sheet	$110.09
1B51	±15	TC	Y	3	+/- 10V	V	Refer to Data Sheet	$100.26
3B16	±15	Gage	N	3	4-20mA, 0-20mA	I, V	+/- 5mV to +/- 500mV	$142.33
3B17	±15	LVDT, RVDT	N	100	+/- 10V, 4-20mA, 0-20mA	I, V	20mV rms to 5V rms	$212.20
3B18	±15	Gage	N	10000	+/- 10V, 4-20mA, 0-20mA	I, V	+/- 5mV to +/- 500mV	$154.77
3B20	±15	AC Gage	N	100	+/- 10V, 4-20mA, 0-20mA	I, V	1.5mV rms to 150mV rms	$204.72
3B30	±15	mV	Y	3	+/- 10V, 4-20mA, 0-20mA	I, V	+/- 5mV to +/- 500mV	$159.61
3B31	±15	V	Y	3	+/- 10V, 4-20mA, 0-20mA	I, V	+/- .5V to +/- 20V	$159.61
3B32	±15	I	Y	3	+/- 10V, 4-20mA, 0-20mA	I, V	0-20mA, 4-20mA	$159.61
3B34	±15	RTD	Y	3	0-10V, 4-20mA, 0-20mA	I, V	Refer to Data Sheet	$193.04
3B37	±15	TC	Y	3	0-10V, 4-20mA, 0-20mA	I, V	Refer to Data Sheet	$175.49
3B40	±15	mV	Y	10000	+/- 10V, 4-20mA, 0-20mA	I, V	+/- 5mV to +/- 500mV	$180.02
3B41	±15	V	Y	10000	+/- 10V, 4-20mA, 0-20mA	I, V	+/- .5V to +/- 20V	$182.86
3B42	-15	AC mV	Y	3	0-10V, 4-20mA, 0-20mA	I, V	20mV rms to 1V rms	$190.44
3B43	±15	AC V	Y	3	0-10V, 4-20mA, 0-20mA	I, V	1V rms to 50V rms	$194.24
3B44	±15	AC V	Y	3	+/- 10V, 4-20mA, 0-20mA	I, V	50V rms to 550V rms	$194.24
3B45	±15	Frequency	Y	n/a	0-10V, 4-20mA, 0-20mA	I, V	25 Hz to 1100 Hz	$188.62
3B46	±15	Frequency	Y	n/a	+/- 10V, 4-20mA, 0-20mA	I, V	520 Hz to 25 kHz	$189.21
3B47	±15	TC	Y	3	0 to +10V, 4-20mA, 0-20mA	V	Refer to Data Sheet	$217.64
5B30	+5	mV	Y	4	+/- 5V, 0-5V	V	+/-10mv to +/- 100mV	$88.57
5B31	+5	V	Y	4	+/- 5V, 0-5V	V	+/- 1V to +/- 20V	$88.57
5B32	+5	I	Y	4	+/- 5V, 0-5V	V	0-20mA, 4-20mA	$88.57
5B34	+5	RTD	Y	4	0-5V	V	Refer to Data Sheet	$88.57
5B35	+5	RTD	Y	4	0-5V	V	Refer to Data Sheet	$108.96
5B36	+5	Potentiometer	Y	4	0-5V	V	0-10kohm	$116.93
5B37	+5	TC	Y	4	+/- 5V, 0-5V	V	Refer to Data Sheet	$88.57
5B38	+5	Gage	Y	10000	+/- 5V	V	+/-10mv to +/- 200mV	$106.29
5B39	+5	V	Y	400	4-20mA, 0-20mA	I	+/- 5V, 0-5V	$88.57
5B40	+5	mV	Y	10000	+/- 5V, 0-5V	V	+/-10mv to +/- 100mV	$88.57
5B41	+5	V	Y	10000	+/- 5V, 0-5V	V	+/- 1V to +/- 20V	$88.57
5B42	+5	I	Y	100	1-5V, 2-10V	V	0-20mA, 4-20mA	$116.93
5B45	+5	Frequency	Y	n/a	+/- 5V, 0-5V	V	500 Hz to 20 kHz	$106.29
5B46	+5	Frequency	Y	n/a	+/- 5V, 0-5V	V	20 kHz to 275 kHz	$106.29
5B47	+5	TC	Y	4	0-5V	V	Refer to Data Sheet	$116.93
6B50	+5	Digital	N	1000	RS-485 or RS-232	Serial RS-485	TTL or CMOS	$116.90
7B14	+24	RTD	N	3	0-10V, 1-5V	V	Refer to Data Sheet	$55.52
7B27	+24	TC	Y	3	0-10V, 1-5V	V	Refer to Data Sheet	$69.44
7B30	+24	mV	Y	3	0-10V, 1-5V	V	+/- 10mV to +/- 1V	$81.70
7B31	+24	V	Y	3	0-10V, 1-5V	V	+/- 5V to +/- 50V	$81.70
7B32	+24	I	Y	100	0-10V, 1-5V	V	0-20mA, 4-20mA	$70.00
7B33	+24	V or mA	Y	100	0-10V, 1-5V	V	0-5V, 1-5V	$61.28
7B34	+24	RTD	Y	3	0-10V, 1-5V	V	Refer to Data Sheet	$85.41
7B35	+24	I	Y	100	0-10V, 1-5V	V	4-20mA	$83.65
7B37	+24	TC	Y	3	0-10V, 1-5V	V	Refer to Data Sheet	$81.70
7B39	+24	V	Y	100	4-20mA, 0-20mA	I	0-10V, 1-5V	$69.44
7B40	+24	mV	Y	10000	0-10V, 1-5V	V	+/- 10mV to +/- 1V	$93.58
7B41	+24	V	Y	10000	0-10V, 1-5V	V	+/- 5V to +/- 50V	$94.70
7B47	+24	TC	Y	3	0-10V, 1-5V	V	Refer to Data Sheet	$107.70

* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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For detailed drawings and chemical composition please consult our  Package Site

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• Commercial: 0 to +70 degrees Celsius
• Military : -55 to +125 degrees Celsius
• Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
• Automotive: -40 to +125 degrees Celsius

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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