AD7846KNZ

Semiconductors - ICs

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Series Information for AD7846KNZ - 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

IC 16BIT DAC PDIP28 7846

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:
Parallel
Supply Voltage Range:
4.75V to 5.25V ± 11.4V to ± 15.75V
ADC / DAC Case Style:
DIP
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 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
Base Number:
7846
Conversion Time:
6µs
IC Case Style:
DIP
Linearity Error ADC / DAC +:
2LSB
No. of Bits:
16bit
Operating Temperature Range:
0°C to +70°C
Output Type:
Voltage
Sample Rate:
143kSPS
Settling Time:
6µs
Supply Current:
5mA
Supply Voltage Max:
15.75V
Supply Voltage Min:
4.75V
Supply Voltage Range - Analogue:
± 11.4V to ± 15.75V
Supply Voltage Range - Digital:
4.75V to 5.25V
Termination Type:
Through Hole

Alternate Descriptions

RS Components
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
Richardson RFPD
CONVERTER - DAC
RS Components UK
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components DE
16 Bit-Bit D/A-Wandler, AD7846KNZ 143ksps, Parallel, PDIP 28-Pin Montage-Typ : Durchsteckmontage Stromversorgungs-Typ : Dual Referenzspannung : Extern Architektur : Widerstandsnetzwerk Rücksetzzeit max. : 9µs Ausgangspolarität : Bipolar, Unipolar Skalierungsfehler : ±16LSB Abmessungen : 36.83 x 13.97 x 4.07mm, Analog Devices
RS Components HK
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components JP
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components FR
CNA 1 canal série de résistances 16bit
RS Components CN
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components ES
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components NL
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components NO
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components US
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components SG
DAC 1-Ch Resistor-String 16-Bit 28-PDIP
RS Components TW
DAC 1-Ch Resistor-String 16-Bit 28-PDIP