AD7846KPZ

Semiconductors - ICs

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Series Information for AD7846KPZ - Analog Devices

Features

  • feature
    16-bit monotonicity over temperature u00b12 LSBs integral linearity error Microprocessor compatible with readback capability Unipolar or bipolar output Multiplying capability Low power (100 mW typical)

Description

DAC 16BIT 143KSPS PLCC-28

The AD7846 is a 16-bit DAC constructed with the Analog Devices, Inc., LC2 MOS process. It has VREF+ and VREF− reference inputs and an on-chip output amplifier. These can be configured to give a unipolar output range (0 V to +5 V, 0 V to +10 V) or bipolar output ranges (±5 V, ±10 V). The DAC uses a segmented architecture. The four MSBs in the DAC latch select one of the segments in a 16-resistor string. Both taps of the segment are buffered by amplifiers and fed to a 12-bit DAC, which provides a further 12 bits of resolution. This architecture ensures 16-bit monotonicity. Excellent integral linearity results from tight matching between the input offset voltages of the two buffer amplifiers. In addition to the excellent accuracy specifications, the AD7846 also offers a comprehensive microprocessor interface. There are 16 data I/O pins, plus control lines (CS, R/W, LDAC and CLR). R/W and CS allow writing to and reading from the I/O latch. This is the readback function, which is useful in ATE applications. LDAC allows simultaneous updating of DACs in a multi-DAC system and the CLR line will reset the contents of the DAC latch to 00…000 or 10…000 depending on the state of R/W. This means that the DAC output can be reset to 0 V in both the unipolar and bipolar configurations. The AD7846 is available in 28-lead plastic, ceramic, and PLCC packages.

Specifications

Resolution (Bits):
16bit
Sampling Rate:
143kSPS
Input Channel Type:
-
Supply Voltage Range:
± 11.4V to ± 15.75V
ADC / DAC Case Style:
PLCC
No. of Pins:
28Pins
Data Interface:
Parallel
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Product Range:
AD7846 Series
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 5 - 48 hours
SVHC:
No SVHC (07-Jul-2017)

Alternate Descriptions

RS Components
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
Newark Electronics
DAC, 16BIT, 143KSPS, PLCC-28; Resolution (Bits):16bit; Sampling Rate:143kSPS; Input Channel Type:-; Supply Voltage Range:± 11.4V to ± 15.75V; ADC / DAC Case Style:PLCC; No. of Pins:28Pins; Data Interface:Parallel RoHS Compliant: Yes
Richardson RFPD
CONVERTER - DAC
RS Components UK
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components DE
16 Bit-Bit D/A-Wandler, AD7846KPZ 143ksps, Parallel, PLCC 28-Pin Montage-Typ : SMD Stromversorgungs-Typ : Dual Referenzspannung : Extern Architektur : Widerstandsnetzwerk Rücksetzzeit max. : 9µs Ausgangspolarität : Bipolar, Unipolar Skalierungsfehler : ±16LSB Abmessungen : 11.58 x 11.58 x 3.94mm, Analog Devices
RS Components HK
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components JP
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components FR
CNA 1 canal série de résistances 16bit
RS Components CN
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components ES
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components NL
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components NO
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components US
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components SG
DAC 1-Ch Resistor-String 16-Bit 28-PLCC
RS Components TW
DAC 1-Ch Resistor-String 16-Bit 28-PLCC