參數(shù)資料
型號(hào)： MX7847BR
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： DAC
英文描述： Complete, Dual, 12-Bit Multiplying DACs
中文描述： DUAL, PARALLEL, WORD INPUT LOADING, 4 us SETTLING TIME, 12-BIT DAC, PDSO24
封裝： PLASTIC, SOP-24
文件頁數(shù)： 4/12頁
文件大小： 168K
代理商： MX7847BR
M
Complete, Dual, 12-Bit
Multiplying DACs
4
_______________________________________________________________________________________
__________________________________________Typic al Operating Charac teristic s
(T
A
= +25°C, V
DD
= 15V, V
SS
= -15V, R
L
= 2k
, C
L
= 100pF, unless otherwise noted)
25
0
10
1k
10k
OUTPUT VOLTAGE SWING
vs. RESISTIVE LOAD
10
20
LOAD RESISTANCE (
)
MULTIPLYING FEEDTHROUGH ERROR
V
O
p
)
100
15
5
V
REF
= 20V
p-p
at 1kHz
0
10
100k
NOISE SPECTRAL DENSITY
100
300
FREQUENCY (Hz)
N
200
100
1k
10k
V
REF
= 0V
DAC CODE = 11...111
GAIN = -1
5
-25
100
10k
10M
SMALL-SIGNAL FREQUENCY RESPONSE
FREQUENCY (Hz)
G
-5
0
-10
-15
-20
1k
100k
1M
V
REF
= 100mV
p-p
DAC CODE = 11...111
GAIN = -1
-35
-85
1k
100k
-75
FREQUENCY (Hz)
A
-65
-50
-45
-40
-55
-60
-70
-80
10k
1M
V
REFA
= 20V
p-p
V
REFB
= AGNDB
DAC CODE = 00...00
-94
-106
100
1k
10k
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (BANDWIDTH = 80kHz)
-102
FREQUENCY (Hz)
T
-100
-98
-96
-104
V
REF
= 6V
RMS
DAC CODE = 111...111
-60
-100
100
10k
100k
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (BANDWIDTH
-75
-65
FREQUENCY (Hz)
T
1k
-70
-90
-80
-85
-95
V
REF
= 6V
RMS
DAC CODE = 111...111
PARAMETER
MX78_7J/K/A/B
MIN
0
0
80
80
10
MAX
SYMBOL
MX78_7S/T
MIN
0
0
80
80
10
MAX
UNITS
Address to
WR
SetupTime
Address to
WR
Hold Time
LDAC
Pulse Width
t
6
t
7
t
8
MX7837 only
MX7837 only
MX7837 only
15
15
80
15
15
80
ns
ns
ns
CONDITIONS
CS
to
WR
Hold Time
WR
Pulse Width
Data to
WR
Setup Time
Data to
WR
Hold Time
CS
to
WR
Setup Time
t
1
t
2
t
3
t
4
t
5
ns
ns
ns
ns
ns
TIMING CHARACTERISTICS
(V
DD
= 11.4V to 16.5V, V
SS
= -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Note 5)
Note 5:
All input signals are specified with t
R
= t
F
≤
5ns. Logic swing is 0V to 5V.
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