參數(shù)資料
型號: PGA309AIPWR
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO16
封裝: GREEN, PLASTIC, TSSOP-16
文件頁數(shù): 24/24頁
文件大?。?/td> 661K
代理商: PGA309AIPWR
Average
4.090
4.085
4.080
4.075
4.070
4.065
4.060
Temperature ( C)
°
-55 -35 -15
5
25
45
65
85
105 125 145
V
R
EF
(V)
Temperature ( C)
°
-55 -35 -15
5
25
45
65
85
105 125 145
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
Average, nA
I
(nA)
B
Temperature ( C)
°
-
55 -35 -15
5
25
45
65
85
105 125 145
9
8
7
6
5
4
3
2
1
0
Average
I
(
A)
m
TEMP
70
60
50
40
30
20
10
0
-10
-20
-30
Frequency (Hz)
CMRR
(dB)
10
100
1k
10k
100k
1M
RTO of Front- End PGA
90
80
70
60
50
40
30
20
10
0
-10
Frequency (Hz)
PSRR
(dB)
10
100
1k
10k
100k
1M
Small-Signal
V
and V
Enabled
V
= 2.5V
PSRR at V
REF
EXT
REF
OUT
80
60
40
20
0
Frequency (Hz)
Gain
(dB)
10
100
1k
10k
100k
1M
G
= Output Amplifier Gain
OUTAMP
G
= 9V/V
G
= 128V/V
OUTAMP
FRONT
G
= 9V/V
G
= 32V/V
OUTAMP
FRONT
G
= 2V/V
G
= 32V/V
OUTAMP
FRONT
G
= 2V/V
G
= 8V/V
OUTAMP
FRONT
www.ti.com
SBOS292C – DECEMBER 2003 – REVISED JANUARY 2011
TYPICAL CHARACTERISTICS
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.
VREF vs TEMPERATURE
IB CURRENT vs TEMPERATURE
Figure 1.
Figure 2.
ITEMP CURRENT vs TEMPERATURE
COMMON-MODE REJECTION RATIO vs FREQUENCY
Figure 3.
Figure 4.
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
CLOSED
LOOP GAIN vs FREQUENCY
Figure 5.
Figure 6.
Copyright 2003–2011, Texas Instruments Incorporated
9
Product Folder Link(s): PGA309
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