Datasheet

LMP8358
SNOSB09B –APRIL 2010–REVISED MARCH 2013 www.ti.com
3.3V Electrical Characteristics (continued)
Unless otherwise specified, all limits are ensured for T
A
= 25°C. V
+
= 3.3V , 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
e
n
Input Voltage Noise Gain = 10, 0.1 Hz < f < 10 Hz 0.9
Gain = 20, 0.1 Hz < f < 10 Hz 0.6
Gain = 50, 0.1 Hz < f < 10 Hz 0.6
Gain = 100, 0.1 Hz < f < 10 Hz 0.7
µV
PP
Gain = 200, 0.1 Hz < f < 10 Hz 0.6
Gain = 500, 0.1 Hz < f < 10 Hz 0.6
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 3.3 100 ppm
GBW Gain Bandwidth COMP[2:0] =000b, Gain > 10 8
COMP[2:0] = 001b, Gain > 30 24
COMP[2:0] = 010b, Gain > 200 80 MHz
COMP[2:0] = 011b, Gain > 300 240
COMP[2:0] = 1xxb, Gain > 1 0.8
BW −3 dB Bandwidth Gain = 10, COMP[2:0] = 000b 900
Gain = 10, COMP[2:0] = 1xxb 70
Gain = 20, COMP[2:0] = 000b 400
Gain = 20, COMP[2:0] = 1xxb 37
Gain = 50, COMP[2:0] = 001b 490
Gain = 50, COMP[2:0] = 1xxb 16
Gain = 100, COMP[2:0] = 010b 680
kHz
Gain = 100, COMP[2:0] = 1xxb 8
Gain = 200, COMP[2:0] = 010b 195
Gain = 200, COMP[2:0] = 1xxb 4
Gain = 500, COMP[2:0] = 011b 130
Gain = 500, COMP[2:0] = 1xxb 1.5
Gain = 1000, COMP[2:0] = 011b 89
Gain = 1000, COMP[2:0] = 1xxb 0.8
SR Slew Rate
(4)
COMP[2:0] = 000b, 10% to 90% of Step, 1.6
V
OUT
= 2 V
PP
COMP[2:0] = 001b, 10% to 90% of Step, 3.8
V
OUT
= 2 V
PP
COMP[2:0] = 010b, 10% to 90% of Step, 6.5
V/µs
V
OUT
= 2 V
PP
COMP[2:0] = 011b, 10% to 90% of Step, 9.3
V
OUT
= 2 V
PP
COMP[2:0] = 1xxb, 10% to 90% of Step, 0.17
V
OUT
= 2 V
PP
(4) Slew rate is the average of the rising and falling slew rates.
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