PM7226FP ,V(dd): +11.4 to +16.5V; V(ss); -5V +-10%; quad 8-bit CMOS D/A converter with oltage output. For automatic test equipment, peocess and industrial control, scientific and medical instrumentation, multichannel microprocessorsGENERAL DESCRIPTION PMI ADI TEMPERATURE RANGE
The PM-7226 contains four 8-bit voltage output CMOS ..
PM7226GP ,V(dd): +11.4 to +16.5V; V(ss); -5V +-10%; quad 8-bit CMOS D/A converter with oltage output. For automatic test equipment, peocess and industrial control, scientific and medical instrumentation, multichannel microprocessorsspecifications apply for DACs A, B, C, and D. Continued
PM-7226A/PM-7226
PARAMETER SYMBOL CON ..
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PSB4500-P , Standard Speech Circuit
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PM7226FP-PM7226GP
V(dd): +11.4 to +16.5V; V(ss); -5V +-10%; quad 8-bit CMOS D/A converter with oltage output. For automatic test equipment, peocess and industrial control, scientific and medical instrumentation, multichannel microprocessors
ANALOG
DEVICES
Quad 8-Bit CMOS MI Converters
With Voltage Output
PM-7226A/PIVI-7226
FEATURES
q No Adjustments Required, Total Error i1/2 LSB Max
Over Temperature
. Four Voltage Output DACs on a Single Chip
Single (+5V to +1 5V) or Dual Supply
. Improved PM-7226A Version Provides
- Faster 50ns Write Time, All Temperatures
- Tested 5V Specifications
- Reduced Reference Input Transition Current
- EpI-CMOS Processing for Improved Latch-up
Resistance
APPLICATIONS
. Automatic Test Equipment
Process and Industrial Control
Scientific Instrumentation
Medical Instrumentation
Multichannel Microprocessor Controlled
- System Calibration
- Op Amp Offset and Gain Adjust
- Level and Threshold Setting
300 mil DIP. All digital inputs are TTUCMOS (5V) compatible.
Also, each DAC's input latch is addressable for easy micro-
processor interface. The on-board output amplifier can each drive
up to 5mA from either a single or dual supply. Continued
ORDERING INFORMATION t
TOTAL EXTENDED
UNADJUSTED MILITARY INDUSTRIAL COMMERCIAL
ERROR TEMPERATURE TEMPERATURE TEMPERATURE
11/2 LSB PM7226AR PM7226ER PM7226GP
Al LSB PM7226BR PM7226FR -
AI LSB PM7226BRC/883 PM7226FPC -
tl LSB - PM7226FS -
KI LSB - PM7226FP -
KI LSB - PM7226AFR -
AI LSB - PM7226AFP -
. For devices processed in total compliance to MIL-STD-883, add/883 after part
number. Consult factory for 883 data sheet.
t Burn-in is available on commercial and industrial temperature range parts in
CerDlP and plastic DIP packages.
tt For availability and burn-in information on SO packages, contact your local
gales office.
CROSS REFERENCE
GENERAL DESCRIPTION PMI ADI TEMPERATURE RANGE
The PM-7226 contains four 8-bit voltage output CMOS digital- PM7226AR - MIL
to-analog converters in a single chip. Also incorporated into this PM7226BR AD7226TQ
chip are four input latches and interface control logic. PM7226ER - IND
. PM7226FR AD722680
The four latches are under control of one write and two address PM
. . 7226GP -
signals and are fed from a common 8-bit data bus. It allows the PM7226FPC AD7226KP COM
PM-7226 to be packaged into a narrow space-saving 20-pin, PM7226FP AD7226KN
FUNCTIONAL DIAGRAM
VFEF ‘BVDO
DATA BUS
REV. D
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
PM-7226/PM-7225A
Vss AGND DGND
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700 Fax: 617/326-8703 Twx: 710/394-6577
Telex: 924491 Cable: ANALOG NORWOODMASS
PM-7226A/PM-7226
PIN CONNECTIONS
20-PIN HERMETIC DIP Vss
(R-Suffix) VREF
20-PiN EPOXY DIP AGND
(P-Suffix) DGND
DB7(MSB)
20-PIN SOL DBs
(S-Suffix) DBs
M) I, "ls 'i, 'b
J" J' ' >°>° PM-7226FPC
V n a a, 39 mm V 20-CONTACT PLCC
REF DD -
AGND 3 Ao (PC Suffix)
new a Tir A, PM-7226BRC/883C
DBr(MSB) ca w-n 20-CONTACT LCC
DBs 5 II: 0300-88) (RC-Suffix)
a E E m
i'' ir' s” io," '
GENERAL DESCRIPTION Continued
The PM-7226's compact size, low power, and economical cost
perchannel, make it attractive for applications requiring multiple
D/A converters without sacrificing circu it board space. System
reliability is also increased dueto reduced part count. For higher
channel output systems the PM-7226A can be connected with
the DAC-8426 to provide a complete eight or higher channel
output D/A system with an internal +10V reference in only two IC
packages.
PMI's advanced oxide-isolated, silicon-gate, CMOS process
allows the PM-7226's analog and digital circuitry to be
manufactured on the same chip. This, coupled with PMI's highly
stable thin-film R-2R resistor ladder, aids in matching and
temperature tracking between DACs.
The PM-7226 and the PM-7226A are improved replacementsfor
the AD7226.
For military temperature range PM-7226A, contact factory for883
data sheet.
Specifications apply for DUAL or SINGLE SUPPLY, unless otherwise specified.
ELECTRICAL CHARACTERISTICS: DUALSUPPLY: VD D=+11
to (V o-AV). SINGLE SUPPLY: VD D=+15Vi5%;V
.4Vto+16.5V;Vss =--5V:h10%; AGND= DGND= OV;RV EF=+2V
ss = AGNDD= DGND= 0V; VR REF = SS;+10V unless otherwise Aspecified. il15,.l - .-550C
to +125°C apply for PM- 7226AR/BRD; T, --..-40oC to +85°C apply for PM- 7226ER/FR/FP/FPC/FS/AFR/AFP;T =0°C to +70°C apply
for PM- 7226GP. All specifications apply for DACs A, B, C, and D.
PM-7226A/PM-7226
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
STATIC ACCU RACY
Resolution N B - - Bits
Total Unadjusted Error PM-7226A/E/G - - i1/2
(Note 1) TUE PM-72268/F/H/AF (Note 7) - - kl LSB
. PM-7226AIE/G - 1112
Relative Accuracy INL PM-7226B/F/H/AF - _ KI LSB
Differential Nonlinearity DNL PM-7226A/E/G Al/it LSB
(Note 2) PM-72268/F/H/AF kl
PM-7226A/E/G - - t1/2
Fuil-Scale Error GFSE PM-72263/F/H/AF _ - i1 LSB
Full-Scale Temperature Coefficient .
(Note 4) TCGFs - 1 120 ppm/ C
DUAL SU PPLY
PM-7226A/E/G t5
PM-72268/F/H/AF t20
Zero Code Error VZSE mV
SINGLE SU PPLY
PM-7226A/E/G 1:10
PM-72268/F/H/AF &20
Zero Code Error
Temperature Coefficient TCVzs DUAL SU PPLY ONLY - AIO - pl/PC
(Note 4)
-2- REV. D
Phd-72hWPhll-7llfl6
Speelfieatlons apply for DUAL or SINGLE SUPPLY, unless otherwise specified.
ELECTRICAL CHARACTERISTICS: DUAL SUPPLY: Von = +11.4Vto +16.5V; Vss ---5vi10%;AGND = DGND = 0V; VREF = +2V
to (VDD -AV). SINGLE SUPPLY: VDD = +15V 215%; Vss
to +125°C apply for PM-7226AR/BR; T, = -ulty'C to +85°C apply for PM-7226E
for PM-7226GP. All specifications apply for DACs A, B, C. and D. Continued
= AGND = DGND = 0V; V
= +1OV; unless otherwise specified. T, = -55"C
FP/FPC/FS/AFR/AFP; T, = 0°C to +70°C apply
PM-7226A/PM-7226
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
REFER ENCE INPUT
Input Voltage Range (Note 3) VREF 2 - (VDD -MV) V
input Resistance REF 2 4 - kn
Input Capacitance C Digitai Inputs = all Os 65 - .... pF
(Note 4) REF Digital Inputs = all Is - - 300
DIGITAL INPUTS
Digital Inputs High INH 2.4 - - V
Digital Inputs Low INL - - 0.8 V
Digital Input Current lm VIN = 0V or VDD - 0.1 Al pA
Digital Input Capacitance (Note 4) Cm - 4 8 pF
Input Coding BINARY
POWER SUPPLIES
"ttlf"'" Current loo - 6 1 2 m A
'r,tttcsu''" Current iss DUAL SUPPLY ONLY, vss = -5V - 4 10 mA
Power Dissipation Pmss VDD = +12V, Vss " 0V - 72 144 mW
Power Supply Sensitivity Pss AVDD = i5% - - 0.01 %/%
DYNAMIC PERFORMANCE
VOUT Slew Rate (Note 4) SR 2.5 4 - V/ps
1t,dteie glengtive) ts - 3 5 us
(Notes 4, S)
Digital Crosstalk (Note 4) Q - 10 - nVs
Minimum Load Resistance Rum”) VOUT " +10V 2 - - kit
SWITCHING CHARACTERISTICS (Note 4)
Address to Write Set-Up Time IAS o - - ns
Address to Write Hold Time tAH 0 - - ns
Data Valid to Write Set-Up Time tos EKZESA , I I ns
Data Valid to Write Hold Time tor, 10 - - ns
Write Pulse Width twn :3;ng , - - ns
NOTES:
sl.' 13.:2:32;":;:::L:ei:°;°2:::‘;::33:18:23,133;$$$$$ngme. g "l/trite,","):,:,'.),'':',':],',,':):,''."'"""
:. G, -av is the maximum reference voltage for the above sptscifications. 7‘ VI; = 2hif onluH' .
. Guaranteed by design and not subjectto production test.
REV. D
Plil-722M/Phll-7228
ELECTRICAL CHARACTERISTICS : +5V Supply Operation at G, = +5v f..5%, Vss = 0 or --5V, AGND = DGND '* 0V, VREF =
+1.25V, unless otherwise noted. T, = .-40t to +85°C applies for PM-7226AFR/FP. All specifications apply for DACs A, B, C, and D.
PM-7226A ONLY
PARAM ETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Resolution N 8 - - Bits
Differential Nonlinearity DN L Applies to Codes 2through 255 - - 121 LSB
FuIl-Scale Error GFSE - - t4 LSB
Zero Code Error VZSE - - 30 mV
'ttCCS:':', vREF vOUT < Nm, -3.511) 1 .2 1 .25 1 .3 v
Reference Input Resistance RREF Digital Inputs all Is 2 - - k0
Reference Input Capacitance CREF Digital Inputs all Is - - 300 pF
DIGITAL INPUTS (All specifications the same as for Vor, -- +12V supplies)
DYNAMIC PERFORMANCE (All specifications are the same as for Von -- +12V supplies.)
Positive Supply Current IDD - 3.5 12 mA
Negative Supply Current Iss Vss = MN only - 3.5 10 mA
Power Dissipation Pass l/ss = 0V - 17.5 60 mW
SWITCHING CHARACTERISTICS
Address-to-Write Setup Time t AS 0 - - ns
Address-to-Write Hold Time IAN 20 - - ns
Data Valid-tty-Write Setup Time tos 180 - - ns
Data Valid-to-Write Hold Time tos 20 - - ns
Write Pulse Width twn 120 - - ns
-4- REV. D
