Datasheet

MAX6138
0.1%, 25ppm, SC70 Shunt Voltage Reference
with Multiple Reverse Breakdown Voltages
4 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX6138A (0.1%) 2.9970 3.0000 3.0030
MAX6138B (0.2%) 2.9940 3.0000 3.0060
Reverse Breakdown
Voltage (Note 2)
V
R
T
A
= +25°C
MAX6138C (0.5%) 2.9850 3.0000 3.0150
V
Minimum Operating
Current
I
RMIN
45 65 µA
Reverse Voltage
Temperature Coefficient
(Notes 2, 3)
TC 4 25 ppm/°C
I
RMIN
≤ I
R
≤ 1mA 0.3 1.0
Reverse Breakdown
Voltage Change with
Operating Current Change
∆V
R
/∆I
R
1mA ≤ I
R
≤ 15mA 2.5 8.0
mV
Reverse Dynamic
Impedance (Note 3)
Z
R
I
R
= 1mA, f =120Hz, I
AC
= 0.1I
R
0.3 0.8 Ω
Wideband Noise e
N
10Hz ≤ f ≤ 10kHz 45 µV
RMS
Reverse Breakdown
Voltage Long-Term
Stability
∆V
R
t = 1000h 120 ppm
ELECTRICAL CHARACTERISTICS—MAX6138_30 (3.0V)
(I
R
= 100µA, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX6138A (0.1%) 3.2967 3.3000 3.3033
MAX6138B (0.2%) 3.2934 3.3000 3.3066
Reverse Breakdown
Voltage (Note 2)
V
R
T
A
= +25°C
MAX6138C (0.5%) 3.2835 3.3000 3.3165
V
M i ni m um Op er ati ng C ur r ent I
RMIN
45 67 µA
Reverse Voltage
Temperature Coefficient
(Notes 2, 3)
TC 4 25 ppm/°C
I
RMIN
≤ I
R
≤ 1mA 0.3 1.0
Reverse Breakdown
Voltage Change with
Operating Current Change
∆V
R
/∆I
R
1mA ≤ I
R
≤ 15mA 8.0
mV
Reverse Dynamic
Impedance (Note 3)
Z
R
I
R
= 1mA, f =120Hz, I
AC
= 0.1I
R
0.3 0.8 Ω
Wideband Noise e
N
10Hz ≤ f ≤ 10kHz 50 µV
RMS
Reverse Breakdown
Voltage Long-Term
Stability
∆V
R
t = 1000h 120 ppm
ELECTRICAL CHARACTERISTICS—MAX6138_33 (3.3V)
(I
R
= 100µA, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)