LMP8602MM datasheet(3/33 Pages) TI

3 / 33 page

LMP8602, LMP8602Q, LMP8603, LMP8603Q

www.ti.com

SNOSB36D – JULY 2009 – REVISED MARCH 2013

Operating Ratings

(1)

Supply Voltage (VS – GND)

3.0V to 5.5V

Offset Voltage (Pin 7 )

0 to VS

Temperature Range(2)

Packaged devices

−40°C to +125°C

Package Thermal Resistance(2)

8-Pin SOIC (

θJA)

190°C/W

8-Pin VSSOP (

θJA)

203°C/W

(1)

“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of

the device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or

other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating

Conditions indicate conditions at which the device is functional and the device should not be beyond such conditions. All voltages are

measured with respect to the ground pin, unless otherwise specified.

(2)

The maximum power dissipation must be derated at elevated temperatures and is dictated by TJ(MAX), θJA, and the ambient temperature,

TA. The maximum allowable power dissipation PDMAX = (TJ(MAX) - TA) / θJA or the number given in Absolute Maximum Ratings,

whichever is lower.

3.3V Electrical Characteristics

(1)

Unless otherwise specified, all limits ensured at TA = 25°C, VS = 3.3V, GND = 0V, −4V ≤ VCM ≤ 27V, and RL = ∞, Offset (Pin

7) is grounded, 10nF between VS and GND. Boldface limits apply at the temperature extremes.

Min

Typ

Max

Symbol

Parameter

Conditions

Units

(2)

(3)

(2)

Overall Performance (From -IN (pin 1) and +IN (pin 8) to OUT (pin 5) with pins A1 (pin 3) and A2 (pin 4) connected)

Supply Current

1.3

LMP8602

49.75

50.25

Total Gain

V/V

LMP8603

99.5

100

100.5

Gain Drift(4)

−40°C ≤ TA ≤ 125°C

−2.7

±20

ppm/°C

Slew Rate(5)

VIN = ±0.165V

0.4

0.7

μs

Bandwidth

kHz

VOS

Input Offset Voltage

VCM = VS / 2

0.15

±1

TCVOS

Input Offset Voltage Drift(6)

−40°C ≤ TA ≤ 125°C

±10

μV/°C

0.1 Hz

− 10 Hz, 6 Sigma

16.4

μVP-P

Input Referred Voltage Noise

Spectral Density, 1 kHz

830

nV/

√Hz

PSRR

Power Supply Rejection Ratio

DC, 3.0V

≤ VS ≤ 3.6V, VCM = VS/2

LMP8602

±0.25

±1

Input Referred

±0.33

Mid

−scale Offset Scaling Accuracy

LMP8603

±0.45

±1.5

Input Referred

±0.248

Preamplifier (From input pins -IN (pin 1) and +IN (pin 8) to A1 (pin 3))

RCM

Input Impedance Common Mode

−4V ≤ VCM ≤ 27V

250

295

350

Ω

RDM

Input Impedance Differential Mode

−4V ≤ VCM ≤ 27V

500

590

700

Ω

VOS

Input Offset Voltage

VCM = VS / 2

±0.15

±1

DC CMRR DC Common Mode Rejection Ratio

−2V ≤ VCM ≤ 24V

AC Common Mode Rejection Ratio(7)

f = 1 kHz

AC CMRR

f = 10 kHz

CMVR

Input Common Mode Voltage Range

for 80 dB CMRR

−4

(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.

(7)

AC Common Mode Signal is a 5VPP sine-wave (0V to 5V) at the given frequency.

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