ADS-951ME 查看數據表（PDF） - Murata Power Solutions

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ADS-951ME

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

Murata Power Solutions 

ADS-951

®

®

ABSOLUTE MAXIMUM RATINGS

PARAMETERS

LIMITS

+15V Supply (Pin 9)

–15V Supply (Pin 8)

+5V Supply (Pins 10, 14)

–5V Supply (Pin 11)

Digital Input (Pin 16)

Analog Input (Pin 4)

Lead Temperature (10 seconds)

0 to +16

0 to –16

0 to +6

0 to –6

–0.3 to +VDD +0.3

±15

+300

UNITS

Volts

Volts

Volts

Volts

Volts

Volts

°C

PHYSICAL/ENVIRONMENTAL

PARAMETERS

MIN. TYP.

MAX. UNITS

Operating Temp. Range, Case

ADS-951MC

0

—

+70

°C

ADS-951ME

–40

—

+110

°C

Thermal Impedance

θjc

—

5

—

°C/Watt

θca

—

22

—

°C/Watt

Storage Temperature Range

–65

—

+150

°C

Package Type

Weight

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

0.46 ounces (13 grams)

FUNCTIONAL SPECIFICATIONS

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

ANALOG INPUT

MIN.

+25°C

TYP.

MAX.

0 to +70°C

MIN.

TYP. MAX.

–40 to +110°C

MIN. TYP. MAX.

Input Voltage Range ➁

Input Resistance

Input Capacitance

—

±5

—

—

±5

—

—

±5

—

—

500

—

—

500

—

—

500

—

—

7

15

—

7

15

—

7

15

DIGITAL INPUT

Logic Levels

Logic "1"

Logic "0"

Logic Loading "1"

Logic Loading "0"

Start Convert Positive Pulse Width ➂

+2.0

—

—

—

—

—

—

—

20

500

—

+2.0

—

—

+2.0

+0.8

—

—

+0.8

—

+20

—

—

+20

—

–20

—

—

–20

—

—

20

500

—

20

—

—

—

+0.8

—

+20

—

–20

500

—

STATIC PERFORMANCE

Resolution

—

18

—

—

18

—

—

18

—

Integral Nonlinearity (fin = 10kHz)

—

±10

—

—

±10

—

—

±15

—

Differential Nonlinearity (fin = 10kHz) –0.95

±0.5

+1

–0.95

±0.5

+1

–0.95

±0.50

+1.25

Full Scale Absolute Accuracy

—

±0.1

±0.25

—

±0.25

±0.4

—

±0.4

±0.8

Bipolar Zero Error (Tech Note 2)

—

±0.1

±0.15

—

±0.15

±0.25

—

±0.25

±0.5

Bipolar Offset Error (Tech Note 2)

—

±0.1

±0.2

—

±0.2

±0.3

—

±0.3

±0.6

Gain Error (Tech Note 2)

—

±0.1

±0.25

—

±0.25

±0.4

—

±0.4

±0.9

No Missing Codes (fin = 10kHz)

18

—

—

18

—

—

18

—

—

DYNAMIC PERFORMANCE (500kHz Sampling Rate)

Peak Harmonics (–0.5dB)

dc to 100kHz

—

–87

–80

—

–87

–80

—

–82

—

Total Harmonic Distortion (–0.5dB)

dc to 100kHz

—

–85

–80

—

–85

–80

—

–81

—

Signal-to-Noise Ratio

(w/o distortion, –0.5dB)

dc to 100kHz

91

93

—

91

93

—

—

92

—

Signal-to-Noise Ratio ➃

(& distortion, –0.5dB)

dc to 100kHz

76

84

—

76

84

—

—

80

—

DC Noise

—

76

—

—

76

—

—

76

—

Two-Tone Intermodulation

Distortion (fin = 100kHz,

240kHz, fs = 500kHz, –0.5dB)

—

–85

—

—

–85

—

—

–81

—

Input Bandwidth (–3dB)

Small Signal (–20dB input)

—

TBD

—

—

TBD

—

—

TBD

—

Large Signal (–0.5dB input)

—

TBD

—

—

TBD

—

—

TBD

—

Feedthrough Rejection (fin = 500kHz)

—

84

—

—

84

—

—

84

—

Slew Rate

—

TBD

—

—

TBD

—

—

TBD

—

Aperture Delay Time

—

+20

—

—

+20

—

—

+20

—

Aperture Uncertainty

—

5

—

—

5

—

—

5

—

S/H Acquisition Time

( to ±0.003%FSR, 10V step)

—

260

—

—

260

—

—

260

—

Overvoltage Recovery Time ➄

—

500

—

—

500

—

—

500

—

A/D Conversion Rate

1

—

—

1

—

—

1

—

—

UNITS

Volts

Ω

pF

Volts

Volts

µA

µA

ns

Bits

LSB

LSB

%FSR

%FSR

%FSR

%

Bits

dB

dB

dB

dB

µVrms

dB

MHz

MHz

dB

V/µs

ns

ps rms

ns

ns

MHz

2

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