Datasheet
REF2912, 2920, 2925, 2930, 2933, 2940
3
SBVS033B
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 V
OUT
2.940 3.0 3.06 V
Initial Accuracy 2%
NOISE
Output Voltage Noise f = 0.1Hz to 10Hz 33 µV
PP
Voltage Noise f = 10Hz to 10kHz 94 µVrms
LINE REGULATION V
REF
+ 50mV ≤ V
IN
≤ 5.5V 120 375 µV/V
REF2933
OUTPUT VOLTAGE V
OUT
3.234 3.30 3.366 V
Initial Accuracy 2%
NOISE
Output Voltage Noise f = 0.1Hz to 10Hz 36 µV
PP
Voltage Noise f = 10Hz to 10kHz 105 µVrms
LINE REGULATION V
REF
+ 50mV ≤ V
IN
≤ 5.5V 130 400 µV/V
REF2940
OUTPUT VOLTAGE V
OUT
4.014 4.096 4.178 V
Initial Accuracy 2%
NOISE
Output Voltage Noise f = 0.1Hz to 10Hz 45 µV
PP
Voltage Noise f = 10Hz to 10kHz 128 µVrms
LINE REGULATION V
REF
+ 50mV ≤ V
IN
≤ 5.5V 160 410 µV/V
REF2912, REF2920, REF2925, REF2930, REF2933, REF2940
OUTPUT VOLTAGE TEMP DRIFT
(2)
dV
OUT
/dT
–40
°C ≤ T
A
≤ +125°C 35 100 ppm/°C
OUTPUT CURRENT I
LOAD
25 mA
LONG-TERM STABILITY
0-1000
H
24 ppm
1000-2000
H
15 ppm
LOAD REGULATION
(3)
dV
OUT
/dI
LOAD
0mA < I
LOAD
< 25mA, 3 100 µV/mA
V
IN
= V
REF
+ 500mV
(1)
THERMAL HYSTERESIS
(4)
dT 25 100 ppm
DROPOUT VOLTAGE V
IN
– V
OUT
150 mV
SHORT-CIRCUIT CURRENT I
SC
45 mA
TURN-ON SETTLING TIME to 0.1% at V
IN
= 5V with C
L
= 0 120 µs
POWER SUPPLY
Voltage V
S
I
L
= 0
V
REF
+ 0.001
(5)
5.5 V
Over Temperature –40
°C ≤ T
A
≤ +125°CV
REF
+ 0.05 5.5 V
Quiescent Current I
Q
42 50 µA
Over Temperature –40
°C ≤ T
A
≤ +125°C59µA
TEMPERATURE RANGE
Specified Range –40 +125 °C
Operating Range –40 +125 °C
Storage Range –65 +150 °C
Thermal Resistance
SOT23-3 Surface-Mount
θ
JC
110 °C/W
θ
JA
336 °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.