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参数资料
| 型号： | MX7847KR+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT DL MULT 24SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 设置时间： | 4µs |
| 位数： | 12 |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 电压电源： | 双 ± |
| 功率耗散（最大）： | 941mW |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电压，单极；2 电压，双极 |
| 采样率（每秒）： | * |
MX7837/MX7847
Complete, Dual, 12-Bit
Multiplying DACs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
VDD to DGND, AGNDA, AGNDB ............................-0.3V to +17V
VSS to DGND, AGNDA, AGNDB (Note 1) ..............+0.3V to -17V
VREFA, VREFB to AGNDA, AGNDB .. (VSS - 0.3V) to (VDD + 0.3V)
AGNDA, AGNDB to DGND.........................-0.3V to (VDD + 0.3V)
VOUTA, VOUTB to AGNDA, AGNDB .....(VSS - 0.3V) to (VDD + 0.3V)
RFBA, RFBB to AGNDA, AGNDB .......(VSS - 0.3V) to (VDD + 0.3V)
Digital Inputs to DGND ...............................-0.3V to (VDD + 0.3V)
Continuous Power Dissipation (TA = +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
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
(VDD = 11.4V to 16.5V, VSS = -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, VREFA = VREFB = +10V, RL = 2k, CL = 100pF,
VOUT connected to RFB (MX7837), TA = TMIN to TMAX, unless otherwise noted.) (Note 2)
Note 1: If VSS is open-circuited with VDD and either AGND applied, the VSS pin will float positive exceeding the Absolute Maximum Ratings.
If this possibility exists, a Schottky diode connected between VSS and GND ensures the maximum ratings will be observed.
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
SYMBOL
MIN
TYP
MAX
UNITS
±4
±2
Differential Nonlinearity
DNL
±1
LSB
Relative Accuracy
INL
±1/2
LSB
±3
Zero-Code Offset Error
±5
mV
±5
±2
Resolution
N
12
Bits
±1
Loaded with all 0s,
tempco =
±5V/°C typ
CONDITIONS
MX78_7J/A
TA = +25°C
Guaranteed monotonic
MX78_7K/B/T
MX78_7K/B
MX78_7S/T
MX78_7J/A/S
MX78_7K/B/T
MX78_7J/A/S
TA = +25°C
MX78_7J/A/S
±7
Gain Error
Loaded with all 1s,
tempco = ±2ppm
of FSR/°C typ
TA = TMIN to TMAX
MX78_7K/B/T
±4
LSB
VREF Input Resistance
810
13
k
VREFA, VREFB Resistance
Matching
±0.5
±3
%
Input High Voltage
2.4
V
Input Low Voltage
0.8
Input Current
Digital inputs at 0V and VDD
±1
A
Input Capacitance (Note 4)
8
pF
DC Output Impedance
0.2
Short-Circuit Current
VOUT connected to AGND
15
mA
VINH
TA = TMIN to TMAX
VINL
STATIC PERFORMANCE (Note 3)
REFERENCE INPUTS
DIGITAL INPUTS
ANALOG OUTPUTS
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