ADS-927MM 查看數據表（PDF） - Murata Power Solutions

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ADS-927MM

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

Murata Power Solutions 

ADS-927

®

®

ABSOLUTE MAXIMUM RATINGS

PARAMETERS

LIMITS

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

–12V/–15V Supply (pin 24)

+5V Supply (Pin 13)

Digital Input (Pin 16)

Analog Input (Pin 20)

Lead Temperature (10 seconds)

0 to +16

0 to –16

0 to +6

–0.3 to +VDD +0.3

±15

+300

UNITS

Volts

Volts

Volts

Volts

Volts

°C

PHYSICAL/ENVIRONMENTAL

PARAMETERS

MIN. TYP. MAX. UNITS

Operating Temp. Range, Case

ADS-927MC, GC

ADS-927MM, GM, 883

Thermal Impedance

θjc

θca

Storage Temperature

Package Type

Weight

0

—

+70

°C

–55

—

+125

°C

6

°C/Watt

24

°C/Watt

–65

—

+150

°C

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

0.42 ounces (12 grams)

FUNCTIONAL SPECIFICATIONS

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

ANALOG INPUT

MIN.

+25°C

TYP.

MAX.

0 to +70°C

MIN.

TYP.

MAX.

–55 to +125°C

MIN.

TYP. MAX.

Input Voltage Range 

Input Resistance

Input Capacitance

—

±5

—

—

±5

—

—

±5

—

—

1

—

—

1

—

—

1

—

—

7

15

—

7

15

—

7

15

DIGITAL INPUT

Logic Levels

Logic "1"

+2.0

—

—

+2.0

—

—

+2.0

—

—

Logic "0"

—

—

+0.8

—

—

+0.8

—

—

+0.8

Logic Loading "1"

—

—

+20

—

—

+20

—

—

+20

Logic Loading "0"

—

—

–20

—

—

–20

—

—

–20

Start Convert Positive Pulse Width Ž

175

200

225

175

200

225

175

200

225

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

—

—

±0.5

—

—

±0.75

—

—

±1.5

—

—

±0.5

±0.95

—

±0.5

±0.95

—

±0.75

±0.99

—

±0.08

±0.15

—

±0.15

±0.25

—

±0.3

±0.5

—

±0.05

±0.1

—

±0.1

±0.25

—

±0.15

±0.3

—

±0.05

±0.1

—

±0.1

±0.25

—

±0.25

±0.4

—

±0.1

±0.15

—

±0.15

±0.25

—

±0.25

±0.4

14

—

—

14

—

—

14

—

—

DYNAMIC PERFORMANCE

Peak Harmonics (–0.5dB)

dc to 100kHz

—

–91

–83

—

–90

—

—

–88

—

100kHz to 500kHz

—

–82

–78

—

–82

–78

—

–80

–77

Total Harmonic Distortion (–0.5dB)

dc to 100kHz

—

–90

–81

—

–89

—

—

–87

—

100kHz to 500kHz

—

–80

–76

—

–80

–76

—

–79

–74

Signal-to-Noise Ratio

(w/o distortion, –0.5dB)

dc to 100kHz

77

79

—

74

78

—

73

77

—

100kHz to 500kHz

75

78

—

74

78

—

73

76

—

Signal-to-Noise Ratio 

(& distortion, –0.5dB)

dc to 100kHz

76

78

—

73

77

—

71

76

—

100kHz to 500kHz

73

76

—

73

76

—

71

75

—

Two-Tone Intermodulation

Distortion (fin = 100kHz,

240kHz, fs = 1MHz, –0.5dB)

—

–87

—

—

–86

—

—

–85

—

Noise

—

350

—

—

350

—

—

350

—

Input Bandwidth (–3dB)

Small Signal (–20dB input)

—

7

—

—

7

—

—

7

—

Large Signal (–0.5dB input)

—

5

—

—

5

—

—

5

—

Feedthrough Rejection (fin = 500kHz)

—

84

—

—

84

—

—

84

—

Slew Rate

—

±60

—

—

±60

—

—

±60

—

Aperture Delay Time

—

±20

—

—

±20

—

—

±20

—

Aperture Uncertainty

—

5

—

—

5

—

—

5

—

S/H Acquisition Time

(to ±0.003%FSR, 10V step)

335

390

445

335

390

445

335

390

445

Overvoltage Recovery Time 

—

400

1000

—

400

1000

—

400

1000

A/D Conversion Rate

1

—

—

1

—

—

1

—

—

UNITS

Volts

kΩ

pF

Volts

Volts

µA

µA

ns

Bits

LSB

LSB

%FSR

%FSR

%FSR

%

Bits

dB

dB

dB

dB

dB

dB

dB

dB

dB

µVrms

MHz

MHz

dB

V/µs

ns

ps rms

ns

ns

MHz

2

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