參數(shù)資料
型號: DRV401AIRGWRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQCC20
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-20
文件頁數(shù): 36/36頁
文件大小: 963K
代理商: DRV401AIRGWRG4
DRV401
SBVS070B JUNE 2006 REVISED MAY 2009
www.ti.com
9
TYPICAL CHARACTERISTICS (Continued)
At TA = +25°C and VDD1 = VDD2 = +5V with external 100kHz filter BW, unless otherwise noted.
50.250
50.125
50.000
49.875
49.750
49.625
25
50
R
RE
F
IN
(k
)
0
25
50
75
100
125
150
DIFFERENTIAL AMPLIFIER:
REF
IN RESISTANCE vs TEMPERATURE
Temperature (
_C)
70
60
50
40
30
20
10
0
1k
100
Ga
in
V
P
W
M
AV
ER
AG
E
/(
V
IC
O
M
P1
,V
IC
O
M
P
2)(
d
B
)
10k
100k
COMPENSATION LOOP:
SMALLSIGNAL GAIN
Frequency (Hz)
PinGain= Low
PinGain= High
2000
1500
1000
500
0
500
1000
1500
2000
25
50
Du
ty
Cy
c
le
E
rr
o
r
(p
p
m
)
0
25
50
75
100
125
150
COMPENSATION LOOP:
DUTY CYCLE ERROR vs TEMPERATURE
Temperature (
_C)
At 400kHz, 5.0V
At 250kHz, 5.0V
20
0
18
0
16
0
14
0
12
0
10
0
80
60
40
20
0
20
40
60
80
100
120
140
160
180
200
P
o
pu
la
ti
on
COMPENSATION LOOP:
DC GAIN: DUTY CYCLE ERROR CHANGE
Gain (ppm/V)
V
ICOMP1 VICOMP2 =4.2V
I
LOAD = 210mA
Gain Pin Low
I
COMP OUTPUT SWINGTORAIL
vs OUTPUT CURRENT
5.00
4.75
4.50
4.25
4.00
1.00
0.75
0.50
0.25
0
50
100
150
200
250
300
Output Current (mA)
Ou
tp
u
t
S
w
in
g
(V
)
50_C
+25
_C
+125
_C
50_C
+25
_C
+125
_C
35.0
32.5
30.0
27.5
25.0
25
50
P
robe
C
o
mp
ar
a
tor
T
h
re
s
h
ol
d
C
ur
re
nt
(m
A
)
0
25
50
75
100
125
150
PROBE COMPARATOR THRESHOLD
CURRENT vs TEMPERATURE
Temperature (
_C)
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