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参数资料
| 型号： | MX7847KR+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/12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
4
_______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(TA = +25°C, VDD = 15V, VSS = -15V, RL = 2k, CL = 100pF, unless otherwise noted)
25
0
10
1k
10k
OUTPUT VOLTAGE SWING
vs. RESISTIVE LOAD
10
20
LOAD RESISTANCE (
)
V
OUT
(V
p-p
)
100
15
5
VREF = 20Vp-p at 1kHz
0
10
100k
NOISE SPECTRAL DENSITY
100
300
FREQUENCY (Hz)
NOISE
SPECTRAL
DENSITY
(nV/
Hz)
200
100
1k
10k
VREF = 0V
DAC CODE = 11...111
GAIN = -1
5
-25
100
10k
10M
SMALL-SIGNAL FREQUENCY RESPONSE
FREQUENCY (Hz)
GAIN
(dB)
-5
0
-10
-15
-20
1k
100k
1M
VREF = 100mVp-p
DAC CODE = 11...111
GAIN = -1
-35
-85
1k
100k
MULTIPLYING FEEDTHROUGH ERROR
-75
FREQUENCY (Hz)
ATTENUATION
(dB)
-65
-50
-45
-40
-55
-60
-70
-80
10k
1M
VREFA = 20Vp-p
VREFB = AGNDB
DAC CODE = 00...00
-94
-106
100
1k
10k
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (BANDWIDTH = 80kHz)
-102
FREQUENCY (Hz)
THD
(dB)
-100
-98
-96
-104
VREF = 6VRMS
DAC CODE = 111...111
-60
-100
100
10k
100k
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (BANDWIDTH > 500kHz)
-75
-65
FREQUENCY (Hz)
THD
(dB)
1k
-70
-90
-80
-85
-95
VREF = 6VRMS
DAC CODE = 111...111
PARAMETER
MX78_7J/K/A/B
MIN
MAX
SYMBOL
MX78_7S/T
MIN
MAX
UNITS
Address to
WR SetupTime
t6
MX7837 only
15
ns
Address to
WR Hold Time
t7
MX7837 only
15
ns
LDAC Pulse Width
t8
MX7837 only
80
ns
CONDITIONS
CS to WR Hold Time
0
CS to WR Setup Time
t1
0
ns
t2
0
ns
WR Pulse Width
t3
80
ns
Data to
WR Setup Time
t4
80
ns
Data to
WR Hold Time
t5
10
ns
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)
Note 5: All input signals are specified with tR = tF ≤ 5ns. Logic swing is 0V to 5V.
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