參數(shù)資料
型號： REF2940AIDBZTG4
英文描述： 100ppm/∑C, 50レA in SOT23-3 CMOS VOLTAGE REFERENCE
中文描述： 100ppm/ΣC，50レ的SOT23阿- 3 CMOS電壓基準(zhǔn)
文件頁數(shù)： 3/16頁
文件大?。?/td> 412K
代理商： REF2940AIDBZTG4
REF2912, 2920, 2925, 2930, 2933, 2940
SBVS033A
3
www.ti.com
ELECTRICAL CHARACTERISTICS
(Cont.)
Boldface
limits apply over the specified temperature range,
T
A
=
–
40
°
C to +125
°
C.
At T
A
= +25
°
C, I
LOAD
= 0mA, V
IN
= 5V, unless otherwise noted.
REF29xx
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REF2930
OUTPUT VOLTAGE
Initial Accuracy
V
OUT
2.940
3.0
3.06
2
V
%
NOISE
Output Voltage Noise
Voltage Noise
f = 0.1Hz to 10Hz
f = 10Hz to 10kHz
V
REF
+ 50mV
≤
V
IN
≤
5.5V
REF2933
μ
Vp-p
μ
Vrms
μ
V/V
LINE REGULATION
120
375
OUTPUT VOLTAGE
Initial Accuracy
V
OUT
3.234
3.30
3.366
2
V
%
NOISE
Output Voltage Noise
Voltage Noise
f = 0.1Hz to 10Hz
f = 10Hz to 10kHz
V
REF
+ 50mV
≤
V
IN
≤
5.5V
REF2940
41
105
μ
Vp-p
μ
Vrms
μ
V/V
LINE REGULATION
130
400
OUTPUT VOLTAGE
Initial Accuracy
V
OUT
4.014
4.096
4.178
2
V
%
NOISE
Output Voltage Noise
Voltage Noise
f = 0.1Hz to 10Hz
f = 10Hz to 10kHz
V
REF
+ 50mV
≤
V
IN
≤
5.5V
45
128
μ
Vp-p
μ
Vrms
μ
V/V
LINE REGULATION
160
410
REF2912, REF2920, REF2925, REF2930, REF2933, REF2940
OUTPUT VOLTAGE TEMP DRIFT
(2)
dV
OUT
/dT
–
40
°
C
≤
T
A
≤
+125
°
C
35
100
ppm/
°
C
mA
OUTPUT CURRENT
LONG-TERM STABILITY
I
LOAD
25
0-1000
H
1000-2000
H
0mA < I
LOAD
< 25mA,
V
IN
= V
REF
(1)
24
15
ppm
ppm
μ
V/mA
LOAD REGULATION
(3)
dV
OUT
/dI
LOAD
3
100
THERMAL HYSTERESIS
(4)
dT
25
100
ppm
DROPOUT VOLTAGE
SHORT-CIRCUIT CURRENT
TURN-ON SETTLING TIME
V
IN
–
V
OUT
1
50
mV
I
SC
45
mA
μ
s
to 0.1% at V
IN
= 5V with C
L
= 0
120
POWER SUPPLY
Voltage
Over Temperature
Quiescent Current
Over Temperature
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance
SOT23-3 Surface-Mount
V
S
I
L
= 0
V
REF
+ 0.001
(5)
V
REF
+ 0.05
5.5
5.5
50
59
V
V
μ
A
μ
A
–
40
°
C
≤
T
A
≤
+125
°
C
I
Q
42
–
40
°
C
≤
T
A
≤
+125
°
C
–
40
–
40
–
65
+125
+125
+150
°
C
°
C
°
C
θ
JC
θ
JA
110
336
°
C/W
°
C/W
NOTES: (1) Minimum supply voltage for REF2912 is 1.8V. (2) Box Method used to determine over temperature drift. (3) Typical value of load regulation reflects
measurements using a force and sense contacts, see text
“
Load Regulation
”
. (4) Thermal hysteresis procedure is explained in more detail in Applications Information
section of data sheet. (5) For I
L
> 0, see Typical Characteristic curves.
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