SPT7810 datasheet(2/9 Pages) CADEKA

2 / 9 page

SPT7810

ELECTRICAL SPECIFICATIONS

TA=Tmin - Tmax, VCC=+5.0 V, VEE=-5.2 V, VIN=±2.0 V, VSB=-2.0 V, VST=+2.0 V, fclock=20 MHz, 50% clock duty cycle, unless otherwise specified.

TEST

SPT7810A

SPT7810B

PARAMETERS

CONDITIONS

LEVEL

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Resolution

Bits

DC Accuracy (+25

°C)

± Full Scale

Integral Nonlinearity

250 kHz Sample Rate

±1.0

±1.5

LSB

Differential Nonlinearity

±0.5

±0.75

LSB

No Missing Codes

Guaranteed

Analog Input

Input Voltage Range

±2.0

Input Bias Current

VIN=0 V

µA

Input Resistance

100

300

100

300

Ω

Input Capacitance

Input Bandwidth

3 dB Small Signal

120

MHz

+FS Error

±2.0

LSB

-FS Error

±2.0

LSB

Reference Input

Reference Ladder Resistance

500

800

500

800

Ω

Reference Ladder Tempco

0.8

Ω/°C

Timing Characteristics

Maximum Conversion Rate

MHz

Overvoltage Recovery Time

Pipeline Delay (Latency)

Clock Cycle

Output Delay

TA=+25 °CV

Aperture Delay Time

TA=+25 °CV

Aperture Jitter Time

TA=+25 °C

ps-RMS

Dynamic Performance

Effective Number of Bits

fIN=1 MHz

9.2

8.7

Bits

fIN=3.58 MHz

8.8

8.3

Bits

fIN=10.3 MHz

7.5

7.0

Bits

ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)1 25

°C

Note:

Operation at any Absolute Maximum Rating is not implied. See Electrical Specifications for proper nominal

applied conditions in typical applications.

Supply Voltages

VCC ............................................................... -0.3 to +6 V

VEE ............................................................... +0.3 to -6 V

Input Voltages

Analog Input ............................................... VFB≤VIN≤VFT

VFT, VFB. ................................................... +3.0 V, -3.0 V

Reference Ladder Current ..................................... 12 mA

Output

Digital Outputs .......................................... +30 to -30 mA

Temperature

Operating Temperature .............................. -25 to +85

°C

Junction Temperature (1) .............................................. 175

°C

Lead Temperature, (soldering 10 seconds) .......... 300

°C

Storage Temperature ................................ -65 to +150

°C

Typical thermal impedances: 28L sidebrazed DIP.

ja = 50 °C/W,

28L plastic DIP

ja = 50 °C/W.

3/11/97

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