250Msps, 8-Bit ADC with Track/Hold

2

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ABSOLUTE MAXIMUM RATINGS (Note 1)

ELECTRICAL CHARACTERISTICS

otherwise noted.) (Note 3)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Note 1: The digital control inputs are diode protected; however, permanent damage may occur on unconnected units under high-

energy electrostatic fields. Keep unused units in conductive foam or shunt the terminals together. Discharge the conduc-

tive foam to the destination socket before insertion.

Note 2: Typical thermal resistance, junction-to-case R

12°C/W, providing 200 lineal ft/min airflow with heatsink. See

Package Information.

Supply Voltages

Analog Input Voltage .............................................................±2V

Digital Input Voltage .................................................-2.3V to +0V

Data Output Current ..........................................................-33mA

DCLK Output Current ........................................................-43mA

Operating Temperature Range...............................0°C to +70°C

Operating Junction Temperature (Note 2)............0°C to +125°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10sec) .............................+250°C

AData, BData

CONDITIONS

±0.5

Bits

8

Resolution

LSB

±0.6

INL

Integral Nonlinearity (Note 4)

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

(Note 5)

Bits

7.1

7.4

6.8

ENOB

Effective Bits

Figure 5

Figure 5

(Note 7)

full scale (Note 6)

ps

2

ps

270

Aperture Width

Aperture Jitter

230

315

Msps

250

Maximum Conversion Rate

dB

44.5

SNR

Signal-to-Noise Ratio

GHz

1.2

Analog Input Bandwidth

AIN+ to AIN-, Table 2,

mV

-305

-215

Input Voltage Range

AIN+ and AIN- with respect to GND

Ω/°C

0.008

Input Resistance

Temperature Coefficient

Ω

49

51

Input Resistance

mV

1.8

2.5

LSB

mV

-17

+32

Input Offset Voltage

Least-Significant-Bit Size

AData, BData,

no missing codes

±0.75

LSB

±0.85

DNL

Differential Nonlinearity

Full scale

Zero scale

ACCURACY

DYNAMIC SPECIFICATIONS

ANALOG INPUT