MAX548 Просмотр технического описания (PDF) - Maxim Integrated
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MAX548 Datasheet PDF : 7 Pages
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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)
8
INL
DNL All grades guaranteed monotonic over temperature
TA = TMIN to TMAX
±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
Bits
±1/2 LSB
±1
LSB
LSB
ppm/°C
0.08
0.16
%FSR/%
±50
nA
±400
±50
nA
±400
20
kΩ
Output Current Settling Time
to 1/2LSB
D0–D7 = 0V to
VDD or VDD to 0V,
WR = CS = 0V,
OUT1 load =
100Ω || 13pF
MAX5480A TA = +25°C
(Note 3)
TA = TMIN to TMAX
MAX5480B TA = +25°C
400
500
ns
250
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 _______________________________________________________________________________________
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