SPT9101 datasheet(3/8 Pages) CADEKA

3 / 8 page

12/30/99

SPT9101

ELECTRICAL SPECIFICATIONS

+VS=+5.0 V, -VS=-5.2 V, RLOAD=100 Ω, unless otherwise specified.

TEST

SPT9101

PARAMETERS

CONDITIONS

LEVEL

MIN

TYP

MAX

UNITS

Hold Mode Dynamics

Worst Harmonic

23 MHz, 50 MSPS

-75

dB FS

VOut = 2 V p-p

+25

°C

Worst Harmonic

48 MHz, 100 MSPS

-62

-57

dB FS

VOut = 2 V p-p

+25

°C

Worst Harmonic

48 MHz, 100 MSPS

-53

dB FS

VOut = 2 V p-p

Full Temp.

Worst Harmonic

48 MHz, 125 MSPS

-57

dB FS

VOut = 2 V p-p

+25

°C

Sampling Bandwidth2

-3 dB, +25 ˚C

350

MHz

VIN = 0.5 V p-p

Hold Noise3 (RMS)

+25

°C

150 x tH

mV/s

Droop Rate

VIN=0.0 V, +25 °C

-40

mV/

µs

Feedthrough Rejection (50 MHz)

Full Temp.

-66

VOut = 2 V p-p

Maximum Hold Time, VIN=0 V

Full Temp.

100

200

Track-and-Hold Switching

Aperture Delay

+25

°C

-250

Aperture Jitter

+25

°C

ps rms

Pedestal Offset, VIN=0 V

+25

°CI

±10

±25 mV

Full Temp.

±35 mV

Transient Amplitude

VIN = 0 V, Full Temp.

Settling Time to 4 mV

Full Temp.

Glitch Product4

+25

°C

pV-s

VIN = 0 V

Hold-to-Track Switching

Acquisition Time to 0.1%

+25

°CV

2 V Output Step

Acquisition Time to 0.01%

+25

°CIV

2 V Output Step

Full Temp.

Power Supply5

+VS Voltage

Full Temp, Track Mode

Full Temp, Clocked Mode

-VS Voltage

Full Temp, Track Mode

Full Temp, Clocked Mode

Power Dissipation

Full Temp, Track Mode

551

663

Full Temp, Clocked Mode

449

561

1Time to recover within rated error band from 160% overdrive.

2Sampling bandwidth is defined as the -3 dB frequency response of the input sampler to the hold capacitor when operating in the

sampling mode. It is greater than tracking bandwidth because it does not include the bandwidth of the output amplifier.

3Hold mode noise is proportional to the length of time a signal is held. For example, if the hold time (tH) is 20 ns, the accumulated

noise is typically 3

µV (150 mV/s x 20 ns). This value must be combined with the track mode noise to obtain total noise.

4Total energy of worst case track-to-hold or hold-to-track glitch.

Typical thermal impedances:

ΘJC (LCC) = +6 °C/W

ΘJA (SOIC) = +85 °C/W in still air at +25 °C ambient.

5Clocked mode is specified with a 50% clock duty cycle.

6Analog input voltage should be limited

≤0.8 volts to maintain device in linear range.

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