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AD7943 Datasheet

Part Number AD7943
Manufacturers Analog Devices
Logo Analog Devices
Description +3.3 V/+5 V Multiplying 12-Bit DACs
Datasheet AD7943 DatasheetAD7943 Datasheet (PDF)

a FEATURES 12-Bit Multiplying DACs Guaranteed Specifications with +3.3 V/+5 V Supply 0.5 LSBs INL and DNL Low Power: 5 ␮W typ Fast Interface 40 ns Strobe Pulsewidth (AD7943) 40 ns Write Pulsewidth (AD7945, AD7948) Low Glitch: 60 nV-s with Amplifier Connected Fast Settling: 600 ns to 0.01% with AD843 APPLICATIONS Battery-Powered Instrumentation Laptop Computers Upgrades for All 754x Series DACs (5 V Designs) GENERAL DESCRIPTION The AD7943, AD7945 and AD7948 are fast 12-bit multiplying DACs that o.

  AD7943   AD7943






Part Number AD7949
Manufacturers Analog Devices
Logo Analog Devices
Description 250 kSPS PulSAR ADC
Datasheet AD7943 DatasheetAD7949 Datasheet (PDF)

14-Bit, 8-Channel, 250 kSPS PulSAR ADC AD7949 FEATURES 14-bit resolution with no missing codes 8-channel multiplexer with choice of inputs Unipolar single-ended Differential (GND sense) Pseudobipolar Throughput: 250 kSPS INL/DNL: ±0.5/±0.25 LSB typical SINAD: 85 dB @ 20 kHz THD: −100 dB @ 20 kHz Analog input range: 0 V to VREF with VREF up to VDD Multiple reference types Internal selectable 2.5 V or 4.096 V External buffered (up to 4.096 V) External (up to VDD) Internal temperature sensor (TEMP).

  AD7943   AD7943







Part Number AD7948
Manufacturers Analog Devices
Logo Analog Devices
Description +3.3 V/+5 V Multiplying 12-Bit DACs
Datasheet AD7943 DatasheetAD7948 Datasheet (PDF)

a FEATURES 12-Bit Multiplying DACs Guaranteed Specifications with +3.3 V/+5 V Supply 0.5 LSBs INL and DNL Low Power: 5 ␮ W typ Fast Interface 40 ns Strobe Pulsewidth (AD7943) 40 ns Write Pulsewidth (AD7945, AD7948) Low Glitch: 60 nV-s with Amplifier Connected Fast Settling: 600 ns to 0.01% with AD843 APPLICATIONS Battery-Powered Instrumentation Laptop Computers Upgrades for All 754x Series DACs (5 V Designs) VREF CLR LD1 LD2 SRI +3.3 V/+5 V Multiplying 12-Bit DACs AD7943/AD7945/AD7948 FUNCTIONA.

  AD7943   AD7943







Part Number AD7946
Manufacturers Analog Devices
Logo Analog Devices
Description PulSAR ADC
Datasheet AD7943 DatasheetAD7946 Datasheet (PDF)

Data Sheet FEATURES 14-bit resolution with no missing codes Throughput: 500 kSPS INL: ±0.4 LSB typical, ±1 LSB maximum (±0.0061% of FSR) SINAD: 85 dB at 20 kHz THD: −100 dB at 20 kHz Pseudo differential analog input range 0 V to REF with REF up to VDD No pipeline delay Single-supply 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Proprietary serial interface SPI-/QSPI™-/MICROWIRE™-/DSP-compatible Daisy-chain multiple ADCs and BUSY indicator Power dissipation 3.3 mW at 5 V/100 kSPS 3.3 µW .

  AD7943   AD7943







Part Number AD7945
Manufacturers Analog Devices
Logo Analog Devices
Description +3.3 V/+5 V Multiplying 12-Bit DACs
Datasheet AD7943 DatasheetAD7945 Datasheet (PDF)

a FEATURES 12-Bit Multiplying DACs Guaranteed Specifications with +3.3 V/+5 V Supply 0.5 LSBs INL and DNL Low Power: 5 ␮ W typ Fast Interface 40 ns Strobe Pulsewidth (AD7943) 40 ns Write Pulsewidth (AD7945, AD7948) Low Glitch: 60 nV-s with Amplifier Connected Fast Settling: 600 ns to 0.01% with AD843 APPLICATIONS Battery-Powered Instrumentation Laptop Computers Upgrades for All 754x Series DACs (5 V Designs) VREF CLR LD1 LD2 SRI +3.3 V/+5 V Multiplying 12-Bit DACs AD7943/AD7945/AD7948 FUNCTIONA.

  AD7943   AD7943







Part Number AD7944
Manufacturers Analog Devices
Logo Analog Devices
Description PulSAR 15.5 mW ADC
Datasheet AD7943 DatasheetAD7944 Datasheet (PDF)

14-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP AD7944 FEATURES 14-bit resolution with no missing codes Throughput: 2.5 MSPS (TURBO high), 2.0 MSPS (TURBO low) Low power dissipation 15.5 mW at 2.5 MSPS, with external reference 28 mW at 2.5 MSPS, with internal reference INL: ±0.25 LSB typical, ±1.0 LSB maximum SNR 84 dB, with on-chip reference 84.5 dB, with external reference 4.096 V internal reference: typical drift of ±10 ppm/°C Pseudo differential analog input voltage range 0 V to VREF with VREF.

  AD7943   AD7943







+3.3 V/+5 V Multiplying 12-Bit DACs

a FEATURES 12-Bit Multiplying DACs Guaranteed Specifications with +3.3 V/+5 V Supply 0.5 LSBs INL and DNL Low Power: 5 ␮W typ Fast Interface 40 ns Strobe Pulsewidth (AD7943) 40 ns Write Pulsewidth (AD7945, AD7948) Low Glitch: 60 nV-s with Amplifier Connected Fast Settling: 600 ns to 0.01% with AD843 APPLICATIONS Battery-Powered Instrumentation Laptop Computers Upgrades for All 754x Series DACs (5 V Designs) GENERAL DESCRIPTION The AD7943, AD7945 and AD7948 are fast 12-bit multiplying DACs that operate from a single +5 V supply (Normal Mode) and a single +3.3 V to +5 V supply (Biased Mode). The AD7943 has a serial interface, the AD7945 has a 12-bit parallel interface, and the AD7948 has an 8-bit byte interface. They will replace the industry-standard AD7543, AD7545 and AD7548 in many applications, and they offer superior speed and power consumption performance. The AD7943 is available in 16-lead DIP, 16-lead SOP (Small Outline Package) and 20-lead SSOP (Shrink Small Outline Package). .


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