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ADS-926MM-C

14-Bit, 500kHz, Low-Power Sampling A/D Converters

DATEL Data Acquisition products  

ADS-926

14-Bit, 500kHz, Low-Power Sampling A/D Converters

ABSOLUTE MAXIMUM RATINGS

PARAMETERS

LIMITS

+12V/+15V Supply (Pin 22)

0 to +16

–12V/–15V Supply (Pin 24)

0 to –16

+5V Supply (Pin 13)

0 to +6

Digital Input (Pin 16)

–0.3 to +VDD +0.3

Analog Input (Pin 20)

–4 to +17

Lead Temperature (10 seconds)

+300

UNITS

Volts

Volts

Volts

Volts

Volts

°C

PHYSICAL/ENVIRONMENTAL

PARAMETERS

MIN. TYP. MAX. UNITS

Operating Temp. Range, Case

ADS-926MC, GC, MC-C, GC-C

0

—

+70

°C

ADS-926ME, GE, ME-C, GE-C

–40

— +100 °C

ADS-926MM, GM, MM-C, GM-C

–55

— +125 °C

ADS-926MM-QL, 883, MM-QL-C, 883-C –55

— +125 °C

Thermal Impedance

θjc

—

6

— °C/Watt

θca

—

24

— °C/Watt

Storage Temperature Range

–65

— +150 °C

Package Type

24-pin, metal-sealed, ceramic DDIP or SMT

Weight

0.42 ounces (12 grams)

FUNCTIONAL SPECIFICATIONS

(TA = +25°C, ±VCC = ±15V (or ±12V), +VDD = +5V, 500kHz sampling rate, and a minimum 1 minute warmup ➀ unless otherwise specified.)

+25°C

0 TO +70°C

–55 TO +125°C

ANALOG INPUT

Input Voltage Range ➁

Input Resistance

Input Capacitance

MIN.

TYP.

MAX. MIN.

TYP.

MAX. MIN.

TYP.

MAX. UNITS

—

±5

—

—

±5

—

—

±5

—

Volts

—

1

—

—

1

—

—

1

—

kΩ

—

7

15

—

7

15

—

7

15

pF

DIGITAL INPUT

Logic Levels

Logic "1"

Logic "0"

Logic Loading "1"

Logic Loading "0"

Start Convert Positive Pulse Width ➂

+2.0

—

—

+2.0

—

—

+2.0

—

—

Volts

—

—

+0.8

—

—

+0.8

—

—

+0.8

Volts

—

—

+20

—

—

+20

—

—

+20

μA

—

—

–20

—

—

–20

—

—

–20

μA

175

200

225

175

200

225

175

200

225

ns

STATIC PERFORMANCE

Resolution

Integral Nonlinearity (fin = 10kHz)

Differential Nonlinearity (fin = 10kHz)

Full Scale Absolute Accuracy

Bipolar Zero Error (Tech Note 2)

Bipolar Offset Error (Tech Note 2)

Gain Error (Tech Note 2)

No Missing Codes (fin = 10kHz)

—

14

—

—

14

—

—

14

—

Bits

—

±0.5

—

—

±0.75

—

—

±1.5

—

LSB

—

±0.5

+0.95

—

±0.5

±0.95

—

±0.75 +0.99

LSB

—

±0.08 ±0.15

—

±0.15 ±0.25

—

±0.3

±0.5

%FSR

—

±0.05 ±0.1

—

±0.1

±0.25

—

±0.15

±0.3

%FSR

—

±0.05 ±0.1

—

±0.1

±0.25

—

±0.25

±0.5

%FSR

—

±0.1

±0.15

—

±0.15 ±0.25

—

±0.25

±0.5

%FSR

14

—

—

14

—

—

14

—

—

Bits

DYNAMIC PERFORMANCE

Peak Harmonics (–0.5dB)

dc to 100kHz

—

–92

–88

—

–90

–85

—

–88

–81

100kHz to 250kHz

—

–90

–85

—

–90

–85

—

–86

–80

Total Harmonic Distortion (–0.5dB)

dc to 100kHz

—

–90

–86

—

–89

–82

—

–87

–78

100kHz to 250kHz

—

–87

–82

—

–87

–82

—

–81

–76

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

dc to 100kHz

78

80

—

78

80

—

74

78

—

100kHz to 250kHz

78

80

—

78

80

—

74

77

—

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

dc to 100kHz

77

79

—

77

79

—

74

78

—

100kHz to 250kHz

77

79

—

77

79

—

73

77

—

Two-tone Intermodulation Distortion (fin = 100kHz,

240kHz, fs = 500kHz –0.5dB)

—

–87

—

—

–86

—

—

–85

—

Noise

—

300

—

—

300

—

—

350

—

Input Bandwidth (–3dB)

Small Signal (–20dB input)

—

7

—

—

7

—

—

7

—

Large Signal (–0.5dB input)

—

3

—

—

3

—

—

3

—

Feedthrough Rejection (fin = 250kHz)

—

84

—

—

84

—

—

84

—

Slew Rate

—

±40

—

—

±40

—

—

±40

—

Aperture Delay Time

—

±20

—

—

±20

—

—

±20

—

Aperture Uncertainty

—

50

—

—

50

—

—

50

—

S/H Acquisition Time

(to ±0.003%FSR, 10V step)

1335

1390

1445

1335

1390

1445

1335

1390

1445

Overvoltage Recovery Time ➄

—

1400

2000

—

1400

2000

—

1400

2000

A/D Conversion Rate

500

—

—

500

—

—

500

—

—

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

dB

dB

dB

dB

dB

dB

dB

dB

dB

μVrms

MHz

MHz

dB

V/μs

ns

ps rms

ns

ns

MHz

02 Oct 2015 MDA_ADS-926.C03.D1 Page 2 of 9

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