ADS-951GE 查看數據表（PDF） - DATEL Data Acquisition products

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ADS-951GE

18-Bit, 1MHz, Low-Power Sampling A/D Converters

DATEL Data Acquisition products  

ADS-951

18-Bit, 1MHz, Low-Power Sampling A/D Converters

ABSOLUTE MAXIMUM RATINGS

PARAMETERS

LIMITS

+5VA Supply (Pin 30)

0 to +6

+5VD Supply (Pin 29)

0 to +6

–5VA Supply (Pin 32)

0 to –6

Digital Input (Pin 27)

–0.3 to +5VD +0.3

Analog Input (Pin 3)

±7

Lead Temperature (10 seconds)

+300

UNITS

Volts

Volts

Volts

Volts

Volts

°C

PHYSICAL/ENVIRONMENTAL

PARAMETERS

MIN.

TYP.

MAX. UNITS

Operating Temp. Range, Case

ADS-951MC, MC-C, GC, GC-C

0

—

+70

°C

ADS-951ME, ME-C, GE, GE-C

–40

—

+110

°C

ADS-951MM, MM-C, GM, GM-C

–55

—

+125

°C

Thermal Impedance

θjc

—

14.9

— °C/Watt

θca

—

22.6

— °C/Watt

Storage Temperature Range

–65

—

+150

°C

Package Type

32-pin, side-brazed, metal-sealed, ceramic TDIP

Weight

0.46 ounces (13 grams)

FUNCTIONAL SPECIFICATIONS

(TA = +25°C, +5VA = +5V, –5VA = –5V, +5VD = +5V, 1MHz sampling rate, and a minimum 1 minute warmup ➀ unless otherwise specified.)

ANALOG INPUT

Input Voltage Range d

Input Resistance

Input Capacitance

DIGITAL INPUT

Logic Levels

Logic "1"

Logic "0"

Logic Loading "1"

Logic Loading "0"

Start Convert Positive Pulse Width ➂

STATIC PERFORMANCE

Resolution

Integral Nonlinearity (fin = 10kHz)

Differential Nonlinearity (fin = 10kHz)

Full Scale Absolute Accuracy

Bipolar Zero Error (Tech Note 2)

Gain Error (Tech Note 2)

No Missing Codes (fin = 10kHz)

DYNAMIC PERFORMANCE

Peak Harmonics (–0.5dB)

dc to 100kHz

Total Harmonic Distortion (–0.5dB)

dc to 100kHz

Signal-to-Noise Ratio (w/o distortion, –0.5dB)

dc to 100kHz

Signal-to-Noise Ratio f (& distortion, –0.5dB)

dc to 100kHz

DC Noise

Two-Tone Intermodulation Distortion

(fin = 100kHz, 240kHz, fs = 1MHz, –0.5dB)

Input Bandwidth (–3dB)

Slew Rate

Aperture Delay Time

Aperture Uncertainty

S/H Acquisition Time ( to ±0.003%FSR, 10V step)

Overvoltage Recovery Time ➄

A/D Conversion Rate

ANALOG OUTPUT

Internal Reference

Voltage

External Current

MIN.

—

—

—

+2.0

—

—

—

20

—

—

–0.95

—

—

—

18

—

—

92

90

—

—

6.2

—

—

—

—

—

1

+4.195

—

0 TO +70°C

TYP.

±5

500

7

—

—

—

—

500

18

±1.25

±0.3

±0.05

±0.01

±0.1

—

–110

–98

94

91

90

–96

—

110

12

3.5

260

750

—

+4.220

—

MAX.

—

—

15

—

+0.8

+20

–20

—

—

—

+0.95

±0.15

±0.025

±0.2

—

–99

–95

—

—

—

—

—

—

—

—

—

—

—

+4.245

0.1

–40 TO +110°C

MIN.

TYP.

MAX.

—

±5

—

—

500

—

—

7

15

+2.0

—

—

—

20

—

—

–0.95

—

—

—

18

—

—

—

—

500

18

±1.25

±0.3

±0.1

±0.04

±0.15

—

—

+0.8

+20

–20

—

—

—

+0.95

±0.25

±0.056

±0.25

—

—

–100

–99

—

–98

–95

92

94

—

90

91

—

—

90

—

—

–96

—

6.2

—

—

—

110

—

—

12

—

—

3.5

—

—

260

—

—

750

—

1

—

—

+4.192

—

+4.248

—

—

0.1

–55 TO +125°C

MIN.

TYP.

MAX.

—

±5

—

—

500

—

—

7

15

+2.0

—

—

—

20

—

—

–0.95

—

—

—

18

—

—

—

—

500

18

±1.25

±0.3

±0.2

±0.05

±0.2

—

—

+0.8

+20

–20

—

—

—

+0.95

±0.47

±0.70

±0.30

—

—

–100

–95

—

–98

–94

91

93

—

—

89

—

—

90

—

—

–96

—

6.2

—

—

—

110

—

—

12

—

—

3.5

—

—

260

—

—

750

—

1

—

—

+4.191

—

+4.250

—

—

0.1

UNITS

Volts

Ω

pF

Volts

Volts

μA

μA

ns

Bits

LSB

LSB

%FSR

%FSR

%

Bits

dB

dB

dB

dB

μVrms

dB

V/μs

ns

ps rms

ns

ns

MHz

Volts

mA

DATEL, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 USA • Tel: (508) 339-3000 • www.datel.com • e-mail: help@datel.com

10 Sep 2015 MDA_ADS-951.E01 Page 2 of 7

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