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
V
REF
Reference voltage
Reference voltage
tolerance
(1)
I
Z,min
Minimum cathode
current
Reference voltage
change with cathode
current change
Reference voltage
change with output
voltage change
Feedback current
I
Z
= 10 mA, V
Z
= 5 V
αV
REF
Average temperature
coefficient of
reference voltage
(1)
I
Z
= 1 mA, V
Z
= 5 V
I
Z
= 100
µA,
V
Z
= 5 V
Reverse dynamic
impedance
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
t = 1000 h,
T
A
= 25°C
±
0.1°C,
I
Z
= 100
µA
I
Z,min
< I
Z
< 1 mA
1 mA < I
Z
< 12 mA
TEST CONDITIONS
I
Z
= 100
µA,
V
Z
= 5 V
I
Z
= 100
µA,
V
Z
= 5 V
T
A
25°C
25°C
Full range
25°C
Full range
25°C
Full range
25°C
Full range
25°C
I
Z
= 1 mA
Full range
25°C
Full range
25°C
25°C
Full range
25°C
25°C
25°C
25°C
25°C
±15
0.3
2
20
120
±20
±15
±100
±15
0.3
Ω
2
20
120
µV
RMS
ppm
60
–1.55
2
0.7
–2.5
–10.5
45
LM4041BI
MIN
TYP
1.233
2.5
10.5
75
80
1.5
2
4
6
–2
–2.5
100
120
±20
±15
±100
ppm/°C
60
–1.55
2
0.7
–6.2
–14
45
MAX
MIN
LM4041CI
TYP
1.233
6.2
14
75
80
1.5
2
4
6
–2
–2.5
100
120
mV/V
mV
MAX
UNIT
V
mV
µA
∆V
REF
/∆I
Z
∆V
REF
/∆V
KA
I
FB
nA
Z
Z
e
N
Wideband noise
Long-term stability of
reverse breakdown
voltage
(1)
Reference voltage tolerance and average temperature coefficient change with output voltage (V
Z
). See
Typical Characteristics.
8
TI [ TEXAS INSTRUMENTS ]
