參數(shù)資料
型號(hào)： MX7847SQ
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, CDIP24
封裝： CERDIP-24
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 168K
代理商： MX7847SQ
M
Complete, Dual, 12-Bit
Multiplying DACs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
to DGND, AGNDA, AGNDB............................-0.3V to +17V
V
SS
to DGND, AGNDA, AGNDB (Note 1) ..............+0.3V to -17V
V
REFA
, V
REFB
to AGNDA, AGNDB .. (V
SS
- 0.3V) to (V
DD
+ 0.3V)
AGNDA, AGNDB to DGND.........................-0.3V to (V
DD
+ 0.3V)
V
OUTA
, V
OUTB
to AGNDA, AGNDB .....(V
SS
- 0.3V) to (V
DD
+ 0.3V)
R
FBA
, R
FBB
to AGNDA, AGNDB .......(V
SS
- 0.3V) to (V
DD
+ 0.3V)
Digital Inputs to DGND...............................-0.3V to (V
DD
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
Narrow Plastic DIP (derate 13.33mW/°C above +70°C)....1067mW
SO (derate 11.76mW/°C above +70°C).........................941mW
Narrow CERDIP (derate 12.50mW/°C above +70°C) ..1000mW
Note 1:
If V
SS
is open-circuited with V
DD
and either AGND applied, the V
SS
pin will float positive exceeding the Absolute Maximum Ratings
If this possibility exists, a Schottky diode connected between V
SS
and GND ensures the maximum ratings will be observed.
Operating Temperature Ranges:
MX78_7J _/K_ ........................................................0°C to +70°C
MX78_7A_/B_ .................................................. -40°C to +85°C
MX78_7SQ/TQ ............................................... -55°C to +125°C
Storage Temperature Range............................ -65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
ELECTRICAL CHARACTERISTICS
(V
DD
= 11.4V to 16.5V, V
SS
= -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, V
REFA
= V
REFB
= +10V, R
L
= 2k
, C
L
= 100pF,
V
OUT
connected to R
FB
(MX7837), T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Note 2)
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.
PARAMETER
STATIC PERFORMANCE
(Note 3)
SYMBOL
MIN
TYP
MAX
UNITS
±4
±3
±5
±5
±2
±7
±4
±2
Differential Nonlinearity
DNL
±1
LSB
Relative Accuracy
INL
±1/2
LSB
Zero-Code Offset Error
mV
Resolution
N
12
Bits
±1
Loaded with all 0s,
tempco =
±5μV/°C typ
CONDITIONS
MX78_7J /A
MX78_7K/B
MX78_7S/T
MX78_7J /A/S
MX78_7K/B/T
MX78_7J /A/S
MX78_7K/B/T
T
A
= +25°C
Guaranteed monotonic
MX78_7K/B/T
MX78_7J /A/S
T
A
= +25°C
Gain Error
Loaded with all 1s,
tempco = ±2ppm
of FSR/°C typ
T
A
= T
MIN
to T
MAX
LSB
V
REF
Input Resistance
V
REFA
, V
REFB
Resistance
Matching
DIGITAL INPUTS
8
10
13
k
±0.5
±3
%
Input High Voltage
Input Low Voltage
Input Current
Input Capacitance (Note 4)
ANALOG OUTPUTS
2.4
V
0.8
±1
8
Digital inputs at 0V and V
DD
μA
pF
DC Output Impedance
Short-Circuit Current
0.2
15
mA
V
OUT
connected to AGND
V
INH
V
INL
T
A
= T
MIN
to T
MAX
REFERENCE INPUTS
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