MC15088 Converter Datasheet 

Part Number  MC15088 
Description  (MC15088 / MC14088) 8Bit Multiplying D/A Converter 
Manufacture  NXP 
Total Page  6 Pages 
Datasheet 
Philips Semiconductors Linear Products
8bit multiplying D/A converter
Product specification
MC15088/14088
DESCRIPTION
The MC1508/MC1408 series of 8bit monolithic digitaltoanalog
converters provide highspeed performance with low cost. They are
designed for use where the output current is a linear product of an
8bit digital word and an analog reference voltage
FEATURES
• Fast settling time — 70ns (typ)
• Relative accuracy ±0.19% (max error)
• Noninverting digital inputs are TTL and CMOS compatible
• Highspeed multiplying rate 4.0mA/µs (input slew)
• Output voltage swing +0.5V to –5.0V
• Standard supply voltages +5.0V and –5.0V to –15V
• Military qualifications pending
APPLICATIONS
• Tracking AtoD converters
• 2 1/2digit panel meters and DVMs
• Waveform synthesis
• SampleandHold
• Peak detector
• Programmable gain and attenuation
• CRT character generation
• Audio digitizing and decoding
• Programmable power supplies
• Analogdigital multiplication
• Digitaldigital multiplication
• Analogdigital division
• Digital addition and subtraction
• Speech compression and expansion
• Stepping motor drive modems
• Servo motor and pen drivers
ORDERING INFORMATION
DESCRIPTION
16Pin Ceramic Dual InLine Package (CERDIP)
16Pin Ceramic Dual InLine Package (CERDIP)
16Pin Plastic Dual InLine Package (DIP)
16Pin Small Outline (SO) Package
PIN CONFIGURATIONS
F, N Packages
NC 1
GND 2
VEE 3
IO 4
MSB A1
A2
A3
A4
5
6
7
8
16 COMPEN
15 VREF(–)
14 VREF(+)
13 VCC
12 A8 LSB
11 A7
10 A6
9 A5
D Package1
V+ 1
VREF(+) 2
VREF(–) 3
COMPEN 4
NC 5
GND 6
V– 7
IO 8
16 A8 LSB
15 A7
14 A6
13 A5
12 A4
11 A3
TOP VIEW
10 A2
9 A1 MSB
NOTE:
1. SO and nonstandard pinouts.
TEMPERATURE RANGE
55 to +125°C
0 to +70°C
0 to +70°C
0 to +70°C
ORDER CODE
MC15088F
MC14088F
MC14088N
MC14088D
DWG #
0582B
0582B
0406C
0005D
August 31, 1994
737 8530935 13721

Philips Semiconductors Linear Products
8bit multiplying D/A converter
Product specification
MC15088/14088
BLOCK DIAGRAM
MSB
A1
5
A2 A3
67
A4 A5
89
LSB
A6 A7 A8
10 11 12
CURRENT SWITCHES
IO
4
R2R LADDER
BIAS
CURRENT
2
GND
VREF
(+)
14
15
(–)
VREF
REFERENCE
CURRENT
AMPLIFIER
13
VCC
16
COMPEN
VEE 3
NPN CURRENT SOURCE PAIR
CIRCUIT DESCRIPTION
feedback. The termination amplifier holds the parasitic capacitance
The MC1508/MC1408 consists of a reference current amplifier, an
R2R ladder, and 8 highspeed current switches. For many
of the ladder at a constant voltage during switching, and provides a
low impedance termination of equal voltage for all legs of the ladder.
applications, only a reference resistor and reference voltage need
be added.
The R2R ladder divides the reference amplifier current into
binarilyrelated components, which are fed to the remainder current
The switches are noninverting in operation; therefore, a high state
on the input turns on the specified output current component.
The switch uses current steering for high speed, and a termination
amplifier consisting of an active load gain stage with unity gain
which is equal to the least significant bit. This current is shunted to
ground, and the maximum output current is 255/256 of the reference
amplifier current, or 1.992mA for a 2.0mA reference amplifier current
if the NPN current source pair is perfectly matched.
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
RATING
VCC
VEE
V5 – V12
VO
I14
V14, V15
PD
Positive power supply voltage
Negative power supply voltage
Digital input voltage
Applied output voltage
Reference current
Reference amplifier inputs
Maximum power dissipation,
TA = 25°C (stillair)1
F package
+5.5
–16.5
0 to VCC
–5.2 to +18
5.0
VEE to VCC
1190
N package
1450
D package
1080
TSOLD
TA
Lead soldering temperature (10 sec)
Operating temperature range
MC1508
300
300
–55 to +125
MC1408
0 to +75
TSTG
Storage temperature range
65 to +150
NOTES:
1. Derate above 25°C, at the following rates: F package at 9.5mW/°C; N package at 11.6mW/°C; D package at 8.6mW/°C
UNIT
V
V
V
V
mA
mW
mW
mW
°C
°C
°C
°C
°C
August 31, 1994
738

Features  Philips Semiconductors Linear Products Product specification 8bit multiplyin g D/A converter MC15088/14088 DESCR IPTION The MC1508/MC1408 series of 8bi t monolithic digitaltoanalog converte rs provide highspeed performance with low cost. They are designed for use whe re the output current is a linear produ ct of an 8bit digital word and an anal og reference voltage PIN CONFIGURATION S F, N Packages NC GND VEE 1 2 3 4 5 6 7 8 16 COMPEN 15 VREF(–) 14 V REF(+) 13 V CC 12 A 8 11 A7 10 A6 9 A5 LSB FE ATURES • Fast settling time — 70ns (typ) • Relative accuracy ±0.19% (m ax error) • Noninverting digital inp uts are TTL and CMOS compatible • Hig hspeed multiplying rate 4.0mA/µs (inp ut slew) • Output voltage swing +0.5V to –5.0V • Standard supply voltage s +5.0V and –5.0V to –15V • Milit ary qualifications pending APPLICATIONS IO MSB A1 A2 A3 A4 D Package1 V+ 1 V REF(+) 2 16 A8 15 A7 14 A6 13 A5 12 A4 11 A3 TOP VIEW 10 A2 9 A1 MSB LSB VREF(–) 3 COMPEN NC GND V– IO 4 5 6 7 8 • Tracking A. 
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