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参数资料
| 型号： | PGA309AIPWT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封装： | GREEN, PLASTIC, TSSOP-16 |
| 文件页数： | 2/24页 |
| 文件大小： | 661K |
| 代理商： | PGA309AIPWT |
0
5
10
15
20
25
V
S
V
0.1
S
-
V
0.2
V
0.3
V
0.4
V
0.5
0.4
0.3
0.2
0.1
0
V
S = 2.7V
V = 2.7V
S
V = 5V
S
V = 5V
S
I
(mA)
LOAD
Temperature ( C)
°
-55 -35 -15
5
25
45
65
85
105 125 145
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
All Blocks Enabled
Ref, Exc, and ADC Disabled
I
(mA)
Q
-100
-80
-60
-40
-20
0
20
40
60
80
100
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
Total
Error
(%
of
FS)
Input Signal (% FS of V
)
REF
Reg 6 = 0433h
V
= 2.5V Internal
15-Bit + Sign
REF
Reg 6 = 0430h
V
= 2.5V Internal
11-Bit + Sign
REF
Reg 6 = 0403h
V
= 5V Internal
15-Bit + Sign
REF
Reg 6 = 0503h
V
= 2.048V Internal
(Temp ADC Internal)
15-Bit + Sign
REF
Actual Die Temperature ( C)
°
-55 -35 -15
5
25
45
65
85
105 125 145
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
Temp
ADC
Error
(
C)°
1s/div
50
V/div
m
Measured After Bandpass Filter
0.1Hz Second-Order High-Pass
10Hz Fourth-Order Low-Pass
V
= 4.096V
REF
1s/div
1mV/div
Measured After Bandpass Filter
0.1Hz Second-Order High-Pass
10Hz Fourth-Order Low-Pass
V
= +61mV
CLK_CFG = 00 (default)
IN
G = 1152
Coarse Offset = 59mV
-
SBOS292C – DECEMBER 2003 – REVISED JANUARY 2011
www.ti.com
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VSA = VSD = +5V (VSA = VSUPPLY ANALOG, VSD = VSUPPLY DIGITAL, VSA must equal VSD), GNDD = GNDA = 0, and
VREF = REFIN/REFOUT = +5V, unless otherwise noted.
VOUT SWING TO RAIL vs ILOAD
IQ vs TEMPERATURE
Figure 7.
Figure 8.
TEMPERATURE ADC ERROR (INTERNAL MODE)
TEMPERATURE ADC ERROR (EXTERNAL MODES)
Figure 9.
Figure 10.
VREF NOISE
VOUT NOISE
(0.1Hz TO 10Hz)
(0.1Hz TO 10Hz PEAK-TO-PEAK NOISE)
Figure 11.
Figure 12.
10
Copyright 2003–2011, Texas Instruments Incorporated
Product Folder Link(s): PGA309
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