MX7847 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MX7847 Datasheet PDF : 12 Pages
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Complete, Dual, 12-Bit
Multiplying DACs
TIMING CHARACTERISTICS
(VDD = 11.4V to 16.5V, VSS = -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, TA = TMIN to TMAX, unless otherwise noted.) (Note 5)
PARAMETER
CS to WR Setup Time
CS to WR Hold Time
WR Pulse Width
Data to WR Setup Time
Data to WR Hold Time
Address to WR SetupTime
Address to WR Hold Time
LDAC Pulse Width
SYMBOL
CONDITIONS
t1
t2
t3
t4
t5
t6
MX7837 only
t7
MX7837 only
t8
MX7837 only
MX78_7J/K/A/B
MIN MAX
0
0
80
80
10
15
15
80
MX78_7S/T
MIN MAX
0
0
80
80
10
15
15
80
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
Note 5: All input signals are specified with tR = tF ≤ 5ns. Logic swing is 0V to 5V.
__________________________________________Typical Operating Characteristics
(TA = +25°C, VDD = 15V, VSS = -15V, RL = 2kΩ, CL = 100pF, unless otherwise noted)
OUTPUT VOLTAGE SWING
vs. RESISTIVE LOAD
25
VREF = 20Vp-p at 1kHz
20
NOISE SPECTRAL DENSITY
VREF = 0V
300
DAC CODE = 11...111
GAIN = -1
SMALL-SIGNAL FREQUENCY RESPONSE
5
0
15
200
10
100
5
-5
VREF = 100mVp-p
DAC CODE = 11...111
-10
GAIN = -1
-15
-20
0
10
100
1k
10k
LOAD RESISTANCE (Ω)
MULTIPLYING FEEDTHROUGH ERROR
-35
-40
VREFA = 20Vp-p
VREFB = AGNDB
-45
DAC CODE = 00...00
-50
-55
-60
-65
-70
-75
-80
-85
1k
10k
100k
1M
FREQUENCY (Hz)
0
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (BANDWIDTH = 80kHz)
-94
VREF = 6VRMS
DAC CODE = 111...111
-96
-98
-100
-102
-104
-106
100
1k
10k
FREQUENCY (Hz)
-25
100
1k
10k 100k 1M 10M
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (BANDWIDTH > 500kHz)
-60
VREF = 6VRMS
-65 DAC CODE = 111...111
-70
-75
-80
-85
-90
-95
-100
100
1k
10k
100k
FREQUENCY (Hz)
4 _______________________________________________________________________________________
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