LF6197 datasheet(3/12 Pages) NSC

3 / 12 page

Electrical Characteristics (Continued)

Unless otherwise specified the following specifications apply for Va ea15V Vb eb15V b12V s VIN s a12V

RL l 1kX CL s 40 pF Logic Reference 2 (LR2) voltage e 0V and Logic Input Voltage k 14V threshold (Unit is in ‘‘sample’’

mode) VS refers to the supply voltages Va and Vb Boldface limits apply for TA e TJ from TMIN to TMAX all other limits

TA e TJ e 25 C

Symbol

Parameter

Conditions

Typical

Limit

Units

(Note 6)

(Note 7)

(Limit)

SAMPLEHOLD CHARACTERISTICS

tACQ

Acquisition Time

to 01% (Note 10)

10V step

130

to 001% (Note 10)

10V step

145

240

ns (max)

260

ns (max)

10V step

160

240

ns (max)

260

ns (max)

tAD

Aperture Delay Time

tAJ

Aperture Jitter

psrms

Droop Rate

V ms (max)

VHS

Hold Step (Note 11)

mV (max)

tHMS

Hold Mode Settling Time to 001%

10V step

Feedthrough Attenuation (Note 12)

f e 1 kHz VIN e 20 Vp-p

dB (min)

f e 100 kHz VIN e 20 Vp-p

DYNAMIC CHARACTERISTICS

THD

Total Harmonic Distortion

f e 10 kHz VIN e 20 Vp-p

f e 150 kHz VIN e 20 Vp-p

FPBW

Full Power Bandwidth (Note 13)

VIN e 20 Vp–p

MHz

Small Signal Bandwidth

MHz

DIGITAL LOGIC CHARACTERISTICS

VIN(1)

Logical ‘‘1’’ Input Voltage

V (min)

VIN(0)

Logical ‘‘0’’ Input Voltage

V (max)

Logic Input Current

A (max)

Logic Reference 2 Input Current

A (max)

Differential Logic Threshold

V(min)

(Logic Input to LR1)

V(max)

POWER SUPPLY CHARACTERISTICS

ISa

Positive Supply Current

mA (max)

ISa

Positive Supply Current

VS e g5V (Note 8)

182

mA (max)

ISb

Negative Supply Current

mA (max)

ISb

Negative Supply Current

VS e g5V (Note 8)

175

mA (max)

PSRR

Power Supply Rejection Ratio

VS e g12V to g16V

dB (min)

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