LMH2180_14 datasheet(4/22 Pages) TI1

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LMH2180

SNAS419C – JANUARY 2008 – REVISED AUGUST 2011

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2.7V Electrical Characteristics (continued)

Unless otherwise specified, all limits are specified for TA = 25°C, VDD = 2.7V, VSS = 0V, VCM = 1V, Enable1,2 = VDD, CL = 10

pF, RL = 30 kΩ, Load is connected to VSS, CCOUPLING = 10 nF. Boldface limits apply at temperature range extremes of

operating condition.

(1)

Parameter

Test Conditions

Min (2)

Typ (3)

Max (2)

Units

ACL

Small Signal Voltage Gain

VIN = 0.2 VPP

0.95

1.0

1.05

V/V

VOS

Output Offset Voltage

17

-0.5

mV

18

TC VOS

Temperature Coefficient Output Offset

2.8

µV/°C

Voltage (5)

ROUT

Output Resistance

f = 100 kHz

0.6

f = 38.4 MHz

166

Ω

disabled

High Impedance

Miscellaneous Performance

RIN

Input Resistance per Buffer

Enable = VDD

137

k

Ω

Enable = VSS

137

CIN

Input Capacitance per Buffer

Enable = VDD

1.3

pF

Enable = VSS

1.3

ZIN

Input Impedance

f = 38.4 MHz, Enable = VDD

4.5

k

Ω

f = 38.4 MHz, Enable = VSS

4.2

VO

Output Swing Positive

VIN = VDD

2.66

2.69

V

2.65

Output Swing Negative

VIN = VSS

35

19

mV

37

ISC

Output Short-Circuit Current (6)(7)

Sourcing, VIN = VDD, VOUT = VSS

−21

−25

−18

mA

Sinking, VIN = VSS, VOUT = VDD

23

25

15

Ven_hmin

Enable High Active Minimum Voltage

1.2

V

Ven_lmax

Enable Low Inactive Maximum Voltage

0.6

(5)

Average Temperature Coefficient is determined by dividing the changing in a parameter at temperature extremes by the total

temperature change.

(6)

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.

(7)

Positive current corresponds to current flowing into the device.

5V Electrical Characteristics

Unless otherwise specified, all limits are specified for TA = 25°C, VDD = 5V, VSS = 0V, VCM = 1V, Enable1,2 = VDD, CL = 10 pF,

RL = 30 kΩ, Load is connected to VSS, CCOUPLING = 10 nF. Boldface limits apply at temperature range extremes of operating

condition.

(1)

Parameter

Test Conditions

Min (2)

Typ (3)

Max (2)

Units

Frequency Domain Response

SSBW

Small Signal Bandwidth

VIN = 100 mVPP; −3 dB

87

MHz

LSBW

Large Signal Bandwidth

VIN = 1.0 VPP; −3 dB

68

MHz

GFN

Gain Flatness < 0.1 dB

f > 100 kHz

25

MHz

Distortion and Noise Performance

φn

Phase Noise

VIN = 1 VPP, fC = 38.4 MHz, Δf = 1 kHz

−123

dBc/Hz

VIN = 1 VPP, fC = 38.4 MHz, Δf = 10

−132

dBc/Hz

kHz

(1)

The Electrical Characteristics tables list 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

specified.

(2)

Datasheet min/max specification limits are specified by test or statistical analysis.

(3)

Typical values represent the most likely parametric norms at TA = +25°C, and at the Recommended Operation Conditions at the time of

product characterization and are not specified.

4

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