MAX5480 QSOP-16 Package Datasheet

MAX5480 Datasheet, PDF, Equivalent


Part Number

MAX5480

Description

8-Bit Parallel DAC in QSOP-16 Package

Manufacture

Maxim

Total Page 6 Pages
Datasheet
Download MAX5480 Datasheet


MAX5480
19-1300; Rev 0; 10/97
8-Bit Parallel DAC in
QSOP-16 Package
_______________General Description
The MAX5480 is a CMOS, 8-bit digital-to-analog con-
verter (DAC) that interfaces directly with most micro-
processors. On-chip input latches make the DAC load
cycle interface similar to a RAM write cycle, where CS
and WR are the only control inputs required.
Linearity of ±1/2LSB is guaranteed, and power con-
sumption is less than 500µW. Monotonicity is guaran-
teed over the full operating temperature range.
The MAX5480 can be operated in either voltage-output
or current-output mode. It is available in a small 16-pin
QSOP package.
________________________Applications
Digitally Adjusted Power Supplies
Programmable Gain
Automatic Test Equipment
Portable, Battery-Powered Instruments
VCO Frequency Control
RF Transmit Control in Portable Radios
____________________________Features
o QSOP-16 Package (same footprint as SO-8)
o Single +5V Supply Operation
o VOUT or IOUT Operation
o 8-Bit Parallel Interface
o Guaranteed Monotonic Over Temperature
o Low Power Consumption—100µA max
o ±1/2LSB Linearity Over Temperature
______________Ordering Information
PART
MAX5480ACEE
MAX5480BCEE
MAX5480AEEE
MAX5480BEEE
TEMP. RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
16 QSOP
16 QSOP
16 QSOP
16 QSOP
ERROR
(LSB)
±1/2
±1/2
±1/2
±1/2
__________Typical Operating Circuit __________________Pin Configuration
VREF VDD
R1
2k
15
REF
DATA
INPUTS 4–11 D7–D0
14
16
VDD RFB
R2
1k
10pF
1
OUT1
12 CS MAX5480
13 WR
GND
3
OUT2
2
MAX4330
VOUT
R1 AND R2 USED ONLY IF GAIN
ADJUSTMENT IS REQUIRED.
TOP VIEW
OUT1 1
OUT2 2
GND 3
D7 (MSB) 4
D6 5
D5 6
D4 7
D3 8
MAX5480
QSOP
16 RFB
15 REF
14 VDD
13 WR
12 CS
11 D0 (LSB)
10 D1
9 D2
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.

MAX5480
8-Bit Parallel DAC in
QSOP-16 Package
ABSOLUTE MAXIMUM RATINGS
VDD to GND ............................................................-0.3V to +17V
REF to GND .........................................................................±25V
RFB to GND .........................................................................±25V
Digital Inputs to GND .................................-0.3V to (VDD + 0.3V)
OUT1, OUT2 to GND................................................-0.3V to VDD
Operating Temperature Ranges
MAX5480_CEE....................................................0°C to +70°C
MAX5480_EEE .................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Continuous Power Dissipation (TA = +70°C)
MAX5480_ _EE (derate 8.3mW/°C above +70°C) ........667mW
Lead Temperature (soldering 10sec) ..............................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VDD = +5V, VREF = +10V, VOUT1 = VOUT2 = 0V, Circuit of Figure 1, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
DC ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Gain Error (Note 1)
Gain Temperature
Coefficient (Note 2)
INL
DNL
All grades guaranteed monotonic over temperature
TA = TMIN to TMAX
8
±1
±2
Supply Rejection
Output Leakage Current
(IOUT1)
Output Leakage Current
(IOUT2)
REFERENCE INPUT
MAX5480A
(Note 3)
PSR
MAX5480B
VREF = ±10V
DAC code = full scale
VREF = ±10V
DAC code = zero scale
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
0.002
0.01
0.002
0.01
Input Resistance
DYNAMIC PERFORMANCE
RREF
pin 15 to GND
5 10
MAX UNITS
±1/2
±1
Bits
LSB
LSB
LSB
ppm/°C
0.08
0.16
%FSR/%
±50
±400
±50
±400
nA
nA
20 k
Output Current Settling Time
to 1/2LSB
D0–D7 = 0V to
VDD or VDD to 0V,
WR = CS = 0V,
OUT1 load =
100|| 13pF
MAX5480A TA = +25°C
(Note 3)
TA = TMIN to TMAX
MAX5480B TA = +25°C
400
500
250
ns
AC Feedthrough
(OUT1 or OUT2)
ANALOG OUTPUTS
OUT1 Capacitance (Note 3)
OUT2 Capacitance (Note 3)
COUT1
COUT2
VREF = ±10V,
100kHz sine
wave,
WR = CS = 0V
MAX5480A TA = +25°C
(Note 3)
TA = TMIN to TMAX
MAX5480B TA = +25°C
D0–D7 = VDD, WR = CS = 0V
D0–D7 = 0V, WR = CS = 0V
D0–D7 = VDD, WR = CS = 0V
D0–D7 = 0V, WR = CS = 0V
0.25
0.5 ns
0.1
120
pF
30
30
pF
120
2 _______________________________________________________________________________________


Features 19-1300; Rev 0; 10/97 8-Bit Parallel DA C in QSOP-16 Package _______________Gen eral Description The MAX5480 is a CMOS, 8-bit digital-to-analog converter (DAC ) that interfaces directly with most mi croprocessors. On-chip input latches ma ke the DAC load cycle interface similar to a RAM write cycle, where CS and WR are the only control inputs required. L inearity of ±1/2LSB is guaranteed, and power consumption is less than 500µW. Monotonicity is guaranteed over the fu ll operating temperature range. The MAX 5480 can be operated in either voltage- output or current-output mode. It is av ailable in a small 16-pin QSOP package. ____________________________Features o QSOP-16 Package (same footprint as SO -8) o Single +5V Supply Operation o VOU T or IOUT Operation o 8-Bit Parallel In terface o Guaranteed Monotonic Over Tem perature o Low Power Consumption—100 A max o ±1/2LSB Linearity Over Temper ature MAX5480 _______________________ _Applications Digitally Adjusted Power Supplies Programmable Gain Aut.
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