AD7225KNZ

Semiconductors - ICs

> Data & Signal Conversion

> Digital-to-Analog Converters - DAC

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Series Information for AD7225KNZ - Analog Devices

Features

  • feature
    Four 8-bit DACs with output amplifiers Separate reference input for each DAC Microprocessor compatible with double-buffered inputs Simultaneous update of all 4 outputs Operates with single or dual supplies Extended temperature range operation No user trims required Skinny 24-lead PDIP, CERDIP, SOIC, and SSOP packages 28-lead PLCC package

Description

IC 8BIT DAC LC2MOS QUAD PDIP24

The AD7225 contains four 8-bit voltage output digital-to- analog converters, with output buffer amplifiers and interface logic on a single monolithic chip. Each DAC has a separate reference input terminal. No external trims are required to achieve full specified performance for the part. The double-buffered interface logic consists of two 8-bit registers per channel—an input register and a DAC register. Control Input A0 and Control Input A1 determine which input register is loaded when WR goes low. Only the data held in the DAC registers determines the analog outputs of the converters. The double-buffering allows simultaneous update of all four outputs under control of LDAC. All logic inputs are TTL and CMOS (5 V) level compatible, and the control logic is speed compatible with most 8-bit microprocessors. Specified performance is guaranteed for input reference voltages from 2 V to 12.5 V when using dual supplies. The part is also specified for single-supply operation using a reference of 10 V. Each output buffer amplifier is capable of developing 10 V across a 2 kΩ load. The AD7225 is fabricated on an all ion-implanted, high speed, linear-compatible CMOS (LC2 MOS) process, which is specifically developed to integrate high speed digital logic circuits and precision analog circuitry on the same chip.

Specifications

Resolution (Bits):
8bit
Sampling Rate:
200kSPS
Input Channel Type:
Parallel
Supply Voltage Range:
11.4V to 16.5V 14.25V to 15.75V
ADC / DAC Case Style:
DIP
No. of Pins:
24Pins
Data Interface:
Parallel
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 5 - 48 hours
SVHC:
No SVHC (07-Jul-2017)
Base Number:
7225
Conversion Time:
5µs
IC Case Style:
DIP
Linearity Error ADC / DAC +:
1LSB
No. of Bits:
8bit
Operating Temperature Range:
-40°C to +85°C
Output Type:
Voltage
Sample Rate:
200kSPS
Settling Time:
5µs
Supply Current:
10mA
Supply Voltage Max:
16.5V
Supply Voltage Min:
11.4V
Termination Type:
Through Hole

Alternate Descriptions

RS Components
DAC 4-Ch R-2R 8-Bit 24-Pin PDIP
Richardson RFPD
CONVERTER - DAC
Conrad
Integrated circuits from leading manufacturers. Please read our extensive documentation, which is free to download.
RS Components UK
DAC 4-Ch R-2R 8-Bit 24-Pin PDIP
RS Components DE
8 bit-Bit D/A-Wandler, AD7225KNZ 200ksps, Quad Parallel, PDIP 24-Pin Montage-Typ : Durchsteckmontage Stromversorgungs-Typ : Dual, Single Versorgungsspannung einzeln typ. : 15 V Referenzspannung : Extern Architektur : R-to-R, Resistor String Rücksetzzeit max. : 4µs Ausgangspolarität : Unipolar Skalierungsfehler : ±1LSB Abmessungen : 31.75 x 6.35 x 3.3mm, Analog Devices
RS Components FR
CNA 4 canaux R-2R 8bits DIP24
RS Components ES
DAC 4-Ch R-2R 8-Bit 24-Pin PDIP
RS Components TW
DAC 4-Ch R-2R 8-Bit 24-Pin PDIP