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A/D-D/A Converter Circuit

Index 6

High_speed_10_bit_A_D_converter_using_the_μA_722_and_an_ECG915_operational_amplifier

Published:2009/7/20 3:33:00 Author:Jessie

High_speed_10_bit_A_D_converter_using_the_μA_722_and_an_ECG915_operational_amplifier
High-speed 10-bit A/D converter using the μA 722 and an ECG915 operational amplifier (courtesy GTE Sylvania Incorporated). (View)

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4_to_20_mA_converter

Published:2009/7/20 3:31:00 Author:Jessie

4_to_20_mA_converter
4 to 20 mA converter. The circuit drives a digitally programmed current into a grounded load, RL, according the the relationship IK 4mA (D) (16 mA). With a 10-bit D/A convener such as the AD7520 the circuit provides an output from 4 mA to 20 mA with a resolution of 155/8 μA. The maximum compliance voltage of the load is +25 volts, equivalent to a resistance of 1250 ohms maximum. Higher voltages across the load can be developed if the lower end of RL is returned to a negative voltage, but Q2 must be able to handle the additional breakdown voltage (courtesy Analog Devices, Inc.). (View)

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D_F_convener_with_complementary_output_frequencies

Published:2009/7/20 3:30:00 Author:Jessie

D_F_convener_with_complementary_output_frequencies
D/F convener with complementary output frequencies. This circuit provides two output frequencies. One output is proportional to the fractional binary equivalent of D, while the other output is proportional to 1 - D. Excellent linearity is obtained from 10 hertz to 10 kilohertz. The 556 timer provides either pulse or sawtooth output waveforms. D1 and D2 are required to protect the emitter-base junctions of Q1 and Q2 during power up. D3 and D4 protect the AD7520 OUT 1 and OUT 2 terminals (courtesy Analog Devices, Inc.). (View)

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8_bit_D_A_converter_with_bipolar_output

Published:2009/7/20 4:12:00 Author:Jessie

8_bit_D_A_converter_with_bipolar_output
8-bit D/A converter with bipolar output (courtesy Analog Devices, Inc.). (View)

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D_A_converter_in_bipolar_hookup_using_an_AD563

Published:2009/7/20 4:11:00 Author:Jessie

D_A_converter_in_bipolar_hookup_using_an_AD563
D/A converter in bipolar hookup using an AD563 (courtesy Analog Devices, Inc.). (View)

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D_A_converter_in_unipolar_and_bipolar_hookup

Published:2009/7/20 4:10:00 Author:Jessie

D_A_converter_in_unipolar_and_bipolar_hookup
D/A converter in unipolar and bipolar hookup (courtesy Analog Devices, Inc.). (View)

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10_bit_D_A_converter_with_±5_volt_buffered_bipolar_output

Published:2009/7/20 4:09:00 Author:Jessie

10_bit_D_A_converter_with_±5_volt_buffered_bipolar_output
10-bit D/A converter with ±5-volt buffered bipolar output (courtesy Analog Devices, Inc.). (View)

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10_bit_D_A_converter_with_unbuffered_±166_volt_bipolar_output

Published:2009/7/20 4:08:00 Author:Jessie

10_bit_D_A_converter_with_unbuffered_±166_volt_bipolar_output
10-bit D/A converter with unbuffered ±1.66-volt bipolar output (courtesy Analog Devices, Inc.). (View)

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10_bit_D_A_converter_with_±10_volt_buffered_output

Published:2009/7/20 4:08:00 Author:Jessie

10_bit_D_A_converter_with_±10_volt_buffered_output
10-bit D/A converter with ±10-volt buffered output (courtesy Analog Devices, Inc.) (View)

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Power_D_A_converter_using_the_AD7520

Published:2009/7/20 4:07:00 Author:Jessie

Power_D_A_converter_using_the_AD7520
Power D/A converter using the AD7520.The Intersil AD7520 is an 18-pin multiplying DIA converter. This circuit is designed for 8-bit accuracy and 10-bit resolution.The Intersil IH8510 power amplifier(1A continuous output) is driven by the AD7520.A summing amplifier between the AD7520 and IH8510 is used to separate the gain block containing the AD7520 on-chip resistors from the power amplifier stage,whose gain is set only by the external resistors.This approach minimizes drift, otherwise the AD7520 can be directly connected to the IH8510 by using a 25-volt reference for the D/A converter(courtesy Intersil, Inc.). (View)

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10_bit_DIA_converter_with_an_AD509_op_amp

Published:2009/7/20 4:27:00 Author:Jessie

10_bit_DIA_converter_with_an_AD509_op_amp
10-bit DIA converter with an AD509 op amp(courtesy Analog Devices, Inc.). (View)

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D_A_converter_in_unipolar_hookup_using_AD563_12_bit_D_A_converter_chip

Published:2009/7/20 4:25:00 Author:Jessie

D_A_converter_in_unipolar_hookup_using_AD563_12_bit_D_A_converter_chip
D/A converter in unipolar hookup using AD563 12-bit D/A converter chip(courtesy Analog Devices, Inc.). (View)

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8_bit_D_A_converter_with_voltage_output_and_using_a_fixed_reference

Published:2009/7/20 4:24:00 Author:Jessie

8_bit_D_A_converter_with_voltage_output_and_using_a_fixed_reference
8-bit D/A converter with voltage output and using a fixed reference. For RREF at 1k,2.5k or 5k the minimum value of C should be 15 pF,37 pF or 75 pF respectively(courtesy Analog Devices, Inc.). (View)

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10_bit_DIA_converter_with_an_AD505_op_amp

Published:2009/7/20 4:23:00 Author:Jessie

10_bit_DIA_converter_with_an_AD505_op_amp
10-bit DIA converter with an AD505 op amp (courtesy Analog Devices, Inc.). (View)

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V_F_converter_with_20_kHz_full_scale_output_offset_to_improve_dynamic_response

Published:2009/7/20 4:23:00 Author:Jessie

V_F_converter_with_20_kHz_full_scale_output_offset_to_improve_dynamic_response
V/F converter with 20 kHz full scale output offset to improve dynamic response (courtesy Analog Devices, Inc.). (View)

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V_F_converter_using_a_flip－flop_to_obtain_a_square_wave_output

Published:2009/7/20 4:22:00 Author:Jessie

V_F_converter_using_a_flip－flop_to_obtain_a_square_wave_output
V/F converter using a flip-flop to obtain a square wave output.The full scale output for the 450 and 456 is 10 kHz and 20 kHz for the 454(courtesy Analog Devices, Inc.). (View)

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V_F_converter_offset_for_bipolar_operation_

Published:2009/7/20 4:21:00 Author:Jessie

V_F_converter_offset_for_bipolar_operation_
V/F converter offset for bipolar operation (courtesy Analog Devices, Inc.). (View)

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12_bit_successive_approximation_A_D_converter_for_bipolar__10_volt_to__10_volt_input_range_with_buffer_followerThe_A_D_chip_is_the_AD572

Published:2009/7/20 4:21:00 Author:Jessie

12_bit_successive_approximation_A_D_converter_for_bipolar__10_volt_to__10_volt_input_range_with_buffer_followerThe_A_D_chip_is_the_AD572
12-bit successive approximation A/D converter for bipolar -10 volt to+10 volt input range with buffer follower,The A/D chip is the AD572(courtesy Analog Devices, Inc.). (View)