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参数资料
| 型号： | MAX11043ATL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/33页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT W/DAC 40-TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | ADC，DAC |
| 分辨率（位）： | 16 b |
| 采样率（每秒）： | 9.6M |
| 数据接口： | 串行 |
| 电压电源： | 模拟和数字 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
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MAX11043
4-Channel, 16-Bit, Simultaneous-Sampling ADCs
with PGA, Filter, and 8-/12-Bit Dual-Stage DAC
14
Maxim Integrated
Filter coefficients A1 and B1 are always 1. B3 is limited
to -1, 0, and 1.
Filter coefficients A2, A3, and B2 are stored as 16-bit
two’s complement values in the range of -4 to +4. Filter
coefficients A2 and A3 are stored as -A2 and -A3.
Gain is limited to the following values 24, 22, 20, 2-2, 2-4,
2-6, 2-8, and 2-10. For better gain resolution, adjust the
Fine Gain A/B/C/D Registers at the input of each filter
set. Fine gain adjustment has a resolution of 16 bits and
a gain range of -4 to +4. Set the RECT bit to rectify the
filter output.
Figures 5–8 show the response to a step input of the
default filters used for ADC trimming.
1/A1
-A2
Z-1
-A3
B1
B2
B3
+
OUT
IN
X
Y
RECT
G
ABS
Z-1
Figure 4. Single Programmable 2nd-Order Filter Section
SINC 5 FILTER OUTPUT
MAX11043
fig05
SAMPLE
OUTPUT
(LSB)
8
6
4
2
500
1000
1500
2000
2500
0
010
Figure 5. Sinc 5 Filter Response to a Step Input
DEFAULT LOWPASS FILTER COEFFICIENTS
STAGE
B1
B2
B3
A1
A2
A3
GAIN
1
+ 2.0 (typ)
+1.0000
1
+0.468 (typ)
+0.607 (typ)
+0
2
1
+1.9509
+1.0000
1
+0.6874
+0.1317
-2
3
1
+1.6139
+1.0000
1
+0.5936
+0.2015
-2
4
1
+1.1488
+1.0000
1
+0.4395
+0.3258
+0
5
1
+0.7415
+1.0000
1
+0.2715
+0.4851
+0
6
1
+0.4651
+1.0000
1
+0.1310
+0.6685
+0
7
1
+0.3296
+1.0000
1
+0.0493
+0.8788
+0
DEFAULT EQUALIZER COEFFICIENTS
STAGE
B1
B2
B3
A1
A2
A3
GAIN
1
+ 2.0 (typ)
+1.0000
1
+0.468 (typ)
+0.607 (typ)
+0
2
1
+1.9401
+1.0000
1
+0.6886
+0.1359
+0
3
1
+1.5458
+1.0000
1
+0.5803
+0.2275
-2
4
1
+1.0518
+1.0000
1
+0.4139
+0.3887
+0
5
1
+0.6785
+1.0000
1
+0.2563
+0.5966
+0
6
1
-1.0000
+0.0000
1
+0.0039
-0.0000
+4
7
1
+0.4902
+1.0000
1
+0.1649
+0.8489
+2
Table 1. Default Filter Coefficients
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