LM4041_10 Datasheet, PDF (8/28 Pages) Texas Instruments – PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146E – FEBRUARY 2005 – REVISED FEBRUARY 2006
www.ti.com
LM4041xI (Adjustable Version) Electrical Characteristics
full-range T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T_A
LM4041BI
MIN TYP MAX
V_REF
Reference voltage
Reference voltage
tolerance ⁽¹⁾
I_Z = 100 µA, V_Z = 5 V
I_Z = 100 µA, V_Z = 5 V
25°C
1.233
25°C
–2.5
2.5
Full range –10.5
10.5
I_Z,min
Minimum cathode
current
25°C
Full range
45
75
80
∆V_REF/∆I_Z
Reference voltage
change with cathode
current change
I_Z,min < I_Z < 1 mA
1 mA < I_Z < 12 mA
25°C
Full range
25°C
Full range
0.7 1.5
2
2
4
6
∆V_REF/∆V_KA
Reference voltage
change with output
voltage change
I_Z = 1 mA
25°C
Full range
–1.55
–2
–2.5
I_FB
Feedback current
25°C
Full range
60 100
120
αV_REF
Z_Z
e_N
Average temperature
coefficient of
reference voltage⁽¹⁾
Reverse dynamic
impedance
Wideband noise
I_Z = 10 mA, V_Z = 5 V
I_Z = 1 mA, V_Z = 5 V
I_Z = 100 µA, V_Z = 5 V
I_Z = 1 mA, f = 120 Hz,
I_AC = 0.1 I_Z, V_Z = V_REF
I_Z = 1 mA, f = 120 Hz,
I_AC = 0.1 I_Z, V_Z = 10 V
I_Z = 100 µA, V_Z = V_REF,
10 Hz ≤ f ≤ 10 kHz
25°C
25°C
Full range
25°C
25°C
25°C
25°C
±20
±15
±100
±15
0.3
2
20
Long-term stability of t = 1000 h,
reverse breakdown T_A = 25°C ± 0.1°C,
25°C
120
voltage
I_Z = 100 µA
LM4041CI
MIN TYP MAX
1.233
–6.2
6.2
–14
14
45
75
80
0.7 1.5
2
2
4
6
–1.55
–2
–2.5
UNIT
V
mV
µA
mV
mV/V
60 100
nA
120
±20
±15
ppm/°C
±100
±15
0.3
Ω
2
20
µV_RMS
120
ppm
(1) Reference voltage tolerance and average temperature coefficient change with output voltage (V_Z). See Typical Characteristics.
8
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