参数资料
型号: ADS1203IPWT
英文描述: S/P 20 RED REV M
中文描述: 电机控制电流测量
文件页数: 9/24页
文件大小: 276K
代理商: ADS1203IPWT
SBAS318 JUNE 2004
www.ti.com
9
TYPICAL CHARACTERISTICS (continued)
VDD = +5V, VIN+ = 250mV to +250mV, VIN = 0V, MCLK input = 20MHz, and 16-bit Sinc3 filter, with OSR = 256, unless otherwise noted.
GAIN vs TEMPERATURE
40
20
20
0
40
80
60
100
Temperature ( C)
G
0.10
0
0.10
0.20
0.30
0.40
0.50
Mode 3 (MCLK = 32MHz)
Mode 3 (MCLK = 20MHz)
Mode 0
RMS NOISE vs INPUT VOLTAGE LEVEL
320
240
80
160
Differential Input Voltage (mV)
0
240
160
80
320
R
μ
V
14
12
10
8
6
4
2
0
SIGNALTONOISE RATIO vs TEMPERATURE
40
20
20
0
40
80
60
100
Temperature ( C)
S
85.6
85.4
85.2
85.0
84.8
84.6
84.4
84.2
Mode 3 (MCLK = 32MHz)
Mode 3 (MCLK = 20MHz)
Mode 0
SIGNALTONOISE + DISTORTION
vs TEMPERATURE
40
20
20
0
40
80
60
100
Temperature ( C)
S
85.2
84.8
84.4
84.0
83.6
83.2
82.8
82.4
82.0
81.6
81.2
80.8
Mode 3 (MCLK = 32MHz)
Mode 3 (MCLK = 20MHz)
Mode 0
EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO
10
100
Decimation Ratio (OSR)
1k
10k
E
S
18
16
14
12
10
8
6
4
110
98
86
74
62
50
38
26
Sinc
3
Filter
Sinc
2
Filter
POWERSUPPLY CURRENT vs TEMPERATURE
40
20
20
0
40
80
60
100
Temperature ( C)
C
10
9
8
7
6
5
Mode 0
Mode 3 (MCLK = 20MHz)
Mode 3 (MCLK = 32MHz)
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