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LMP8601MAX Datasheet(PDF) 6 Page - Texas Instruments

Part # LMP8601MAX
Description  Common-Mode Bidirectional Precision Current-Sensing Amplifier
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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LMP8601MAX Datasheet(HTML) 6 Page - Texas Instruments

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LMP8601, LMP8601-Q1
SNOSAR2G – SEPTEMBER 2008 – REVISED JULY 2015
www.ti.com
3.3-V Electrical Characteristics (continued)
Unless otherwise specified, all limits ensured at TA = 25°C, VS = 3.3 V, GND = 0 V, –4 V ≤ VCM ≤ 27 V, and RL = ∞, Offset
(Pin 7) is grounded, 10 nF between VS and GND.
(1)
PARAMETER
TEST CONDITIONS
MIN(2)
TYP(3)
MAX(2)
UNIT
2
VOL, RL = ∞
mV
At the temperature extremes
10
A1 VOUT
A1 Output Voltage Swing
3.25
VOH, RL = ∞
V
At the temperature extremes
3.2
OUTPUT BUFFER (FROM A2 (PIN 4) TO OUT (PIN 5 ))
–2
±0.5
2
VOS
Input Offset Voltage
0V
≤ VCM ≤ VS
mV
At the temperature extremes
–2.5
2.5
A2V
Gain (4)
1.99
2
2.01
V/V
–40
fA
IB
Input Bias Current of A2 (8),
At the temperature extremes
±20
nA
4
VOL, RL = 100 kΩ
mV
At the temperature extremes
20
A2 VOUT
A2 Output Voltage Swing (9) (10)
3.29
VOH, RL = 100 kΩ
V
At the temperature extremes
3.28
Sourcing, VIN = VS, VOUT = GND
–25
–38
–60
ISC
Output Short-Circuit Current (11)
mA
Sinking, VIN = GND, VOUT = VS
30
46
65
(8)
Positive current corresponds to current flowing into the device
(9)
For this test input is driven from A1 stage.
(10) For VOL, RL is connected to VS and for VOH, RL is connected to GND.
(11) Short-Circuit test is a momentary test. Continuous short circuit operation at elevated ambient temperature can result in exceeding the
maximum allowed junction temperature of 150°C
6.7 5-V Electrical Characteristics
Unless otherwise specified, all limits ensured for at TA = 25°C, VS = 5 V, GND = 0 V, –22 V ≤ VCM ≤ 60 V, and RL = ∞, Offset
(Pin 7) is grounded, 10 nF between VS and GND.
(1)
PARAMETER
TEST CONDITIONS
MIN(2)
TYP(3)
MAX(2)
UNIT
OVERALL PERFORMANCE (FROM -IN (PIN 1) AND +IN (PIN 8) TO OUT (PIN 5) WITH PINS A1 (PIN 3) AND A2 (PIN 4) CONNECTED)
1.1
IS
Supply Current
mA
At the temperature extremes
0.7
1.5
AV
Total Gain (4)
19.9
20
20.1
V/V
Gain Drift
–40°C
≤ TA ≤ 125°C
–2.8
±20
ppm/°C
SR
Slew Rate (5)
VIN = ±0.25 V
0.6
0.83
V/
μs
BW
Bandwidth
50
60
kHz
VOS
Input Offset Voltage
0.15
±1
mV
TCVOS
Input Offset Voltage Drift (6)
–40°C
≤ TA ≤ 125°C
2
±10
μV/°C
0.1 Hz - 10 Hz, 6 Sigma
17.5
μVP-P
eN
Input Referred Voltage Noise
Spectral Density, 1 kHz
890
nV/
√Hz
90
DC 4.5 V
≤ VS
PSRR
Power Supply Rejection Ratio
dB
5.5 V
At the temperature extremes
70
±0.15%
±0.5%
Mid-scale Offset Scaling Accuracy
Input Referred
±0.625
mV
(1)
The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as
otherwise modified or specified by the Electrical Characteristics conditions and/or notes. Typical specifications are estimations only and
are not ensured.
(2)
Datasheet min/max specification limits are ensured by test.
(3)
Typical values represent the most likely parameter norms at TA = +25°C, and at the Recommended Operation Conditions at the time of
product characterization and are not ensured.
(4)
Both the gain of the preamplifier A1V and the gain of the buffer amplifier A2V are measured individually. The over all gain of both
amplifiers AV is also measured to assure the gain of all parts is always within the AV limits
(5)
Slew rate is the average of the rising and falling slew rates.
(6)
Offset voltage drift determined by dividing the change in VOS at temperature extremes into the total temperature change.
6
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Product Folder Links: LMP8601 LMP8601-Q1


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