Datasheet

LMP8358
SNOSB09B –APRIL 2010–REVISED MARCH 2013 www.ti.com
5.0V Electrical Characteristics (continued)
Unless otherwise specified, all limits are ensured for T
A
= 25°C. V
+
= 5.0V , V
−
= 0V, V
REF
= V
+
/2, V
CM
= V
+
/2, R
L
= 10 kΩ to
V
REF
, C
L
= 10 pF; Serial Control Register: G[2:0] = 110b (Gain = 1000x), COMP[2:0] = 000b, MUX[1:0] = 00b, POL, SHDN,
FILT, PIN = 0b, CUR[2:0] = 000b. Boldface limits apply at the temperature extremes.
Symbol Parameter Conditions Min
(1)
Typ
(2)
Max
(1)
Units
CMRR Common Mode Rejection Ratio V
−
− 0.1V ≤ V
CM
≤ V
+
− 1.4V 116 142
dB
105
V
REF
RR V
REF
Rejection Ratio V
−
+ 0.1V ≤ V
REFF
≤ V
+
− 1.4V 115 150
dB
105
CMVR Common Mode Voltage Range CMRR ≥ 115 dB −0.1 3.6 V
PSRR Power supply Rejection Ratio 2.7V ≤ V
+
≤ 5.5V 112 138
dB
105
EMIRR Electro Magnetic Interference Rejection +IN / −IN, V
RF
= 100 mV
P
, f = 900 MHz 83
dB
Ratio
+IN / −IN, V
RF
= 100 mV
P
, f = 1800 MHz 93
Z
INDM
Differential Input Impedance 50||1 MΩ ‖ pF
Z
INCM
Common Mode Input Impedance 50||1 MΩ ‖ pF
V
INDM
Differential Mode Input Voltage ±100 mV
I
B
Input Bias Current 0.006 1.2 nA
2
I
OS
Input Offset Current 0.2 113 pA
e
n
Input Voltage Noise Density Gain = 10, f = 1 kHz 25
Gain = 20, f = 1 kHz 28
Gain = 50, f = 1 kHz 26
Gain = 100, f = 1 kHz 25
nV/√Hz
Gain = 200, f = 1 kHz 28
Gain = 500, f = 1 kHz 26
Gain = 1000, f = 1 kHz 25
Gain = External, f = 1 kHz 25
e
n
Input Voltage Noise Gain = 10, 0.1 Hz < f < 10 Hz 0.7
Gain = 20, 0.1 Hz < f < 10 Hz 0.7
Gain = 50, 0.1 Hz < f < 10 Hz 0.5
Gain = 100, 0.1 Hz < f < 10 Hz 0.6
µV
PP
Gain = 200, 0.1 Hz < f < 10 Hz 0.6
Gain = 500, 0.1 Hz < f < 10 Hz 0.5
Gain = 1000, 0.1 Hz < f < 10 Hz 0.6
Gain = External, 0.1 Hz < f < 10 Hz 0.6
I
n
Input Current Noise Density Gain = 100, f = 1 kHz 0.5 pA/√Hz
G
E
Gain Error Gain = 10, 20, 50, 100, 200, 500 0.03 0.1
%
V
OUT
= V
REF
+ 1V and V
OUT
= V
REF
− 1V 0.15
G
E
Gain Error Gain = 1000 0.03 0.15
%
V
OUT
= V
REF
+ 1V and V
OUT
= V
REF
− 1V 0.25
G
E
Gain Error Contribution from chip V
OUT
= V
REF
+ 1V and V
OUT
= V
REF
− 1V 0.03 %
Gain Error Temperature Coefficient For all gain settings (internal and external), 3 16 ppm/°C
V
OUT
= V
REF
+ 1V and
V
OUT
= V
REF
− 1V
NL Non-Linearity 3 100 ppm
GBW Gain Bandwidth COMP[2:0] = 000b, Gain > 10 8
COMP[2:0] = 001b, Gain > 100 24
COMP[2:0] = 010b, Gain > 200 80
MHz
COMP[2:0] = 011b, Gain > 500 240
COMP[2:0] = 1xxb, 0.8
Gain => 1
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