DAC8248FW Просмотр технического описания (PDF) - Analog Devices
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DAC8248FW Datasheet PDF : 16 Pages
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DAC8248–SPECIFICATIONS
ELECTRICAL CHARACTERlSTICS (@ VDD = +5 V or +15 V; VREF A = VREF B = +10 V; VOUTA = VOUT B = 0 V; AGND = DGND = 0 V;
TA = Full Temp Range specified in Absolute Maximum Ratings; unless otherwise noted. Specifications apply for DAC A and DAC B.)
Parameter
Symbol Conditions
DAC8248
Min Typ Max
Units
STATIC ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Full-Scale Gain Error1
N
INL
DNL
GFSE
Gain Temperature Coefficient
(∆Gain/∆Temperature)
Output Leakage Current
IOUT A (Pin 2), IOUT B (Pin 24)
Input Resistance (VREF A, REF B)
Input Resistance Match
DIGITAL INPUTS
Digital Input High
Digital Input Low
Input Current (VIN = 0 V
or VDD and VINL or VINH)
Input Capacitance
(Note 2)
TCGFS
ILKG
RREF
∆RREF
RREF
VINH
VINL
IIN
CIN
POWER SUPPLY
Supply Current
IDD
DC Power Supply Rejection Ratio PSRR
(∆Gain/∆VDD)
AC PERFORMANCE CHARACTERISTICS2
Propagation Delay5, 6
tPD
Output Current Setting Time6, 7 tS
Output Capacitance
CO
AC Feedthrough at
IOUT A or IOUT B
FTA
FTB
12
DAC8248A/E/G
DAC8248F/H
All Grades are Guaranteed Monotonic
DAC8248A/E
DAC8248G
DAC8248F/H
(Notes 2, 3)
All Digital Inputs = 0s
TA = +25°C
TA = Full Temperature Range
(Note 4)
8
± 1/2
±1
±1
±1
±2
±4
±2
±5
±5
± 10
± 50
11
15
±0.2 ± 1
Bits
LSB
LSB
LSB
LSB
LSB
LSB
ppm/°C
nA
kΩ
%
VDD = +5 V
VDD = +15 V
VDD = +5 V
VDD = +15 V
TA = +25°C
TA = Full Temperature Range
DB0–DB11
WR, LDAC, DAC A/DAC B,
LSB/MSB, RESET
Digital Inputs = VINL or VINH
Digital Inputs = 0 V or VDD
∆VDD = ± 5%
TA = +25°C
TA = +25°C
Digital Inputs = All 0s
COUT A, COUT B
Digital Inputs = All 1s
COUT A, COUT B
VREF A to IOUT A; VREF A = 20 V p-p
f = 100 kHz; TA = +25°C
VREF B to IOUT B; VREF B = 20 V p-p
f = 100 kHz; TA = +25°C
2.4
V
13.5
V
0.8
V
1.5
V
±0.001 ± 1
µA
± 10
µA
10
pF
15
pF
2
mA
10
100
µA
0.002 %/%
350
ns
1
µs
90
pF
120
pF
–70
dB
–70
dB
–2–
REV. B
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