ADS-947ME-QL 查看數據表（PDF） - Murata Power Solutions

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ADS-947ME-QL

14-Bit, 10MHz Sampling A/D Converters

Murata Power Solutions 

ADS-947

®

®

ABSOLUTE MAXIMUM RATINGS

PARAMETERS

LIMITS

UNITS

PHYSICAL/ENVIRONMENTAL

PARAMETERS

MIN. TYP.

MAX. UNITS

+5V Supply (Pins 13, 22)

0 to +6

Volts

–5.2V Supply (Pin 20)

0 to –5.5V

Volts

Digital Input (Pin 18)

–0.3 to +VDD +0.3

Volts

Analog Input (Pin 21)

±5

Volts

Lead Temperature (10 seconds)

+300

°C

Operating Temp. Range, Case

ADS-947MC, GC

ADS-947ME, GE, QL

Thermal Impedance

θjc

θca

Storage Temperature Range

Package Type

Weight

0

—

+70

°C

–40

—

+100

°C

—

6

—

°C/Watt

—

23

—

°C/Watt

–65

—

+150

°C

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

0.46 ounces (13 grams)

FUNCTIONAL SPECIFICATIONS

(TA = +25°C, +VDD = +5V, –VDD = –5.2V, 10MHz sampling rate, and a minimum 3 minute warmup ➀ unless otherwise specified.)

+25°C

0 to +70°C

–40 to +100°C

ANALOG INPUT

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

MIN.

TYP.

MAX. UNITS

Input Voltage Range ➁

Input Resistance

Input Capacitance

—

±2

—

—

±2

—

—

±2

—

Volts

—

250

—

—

250

—

—

250

—

Ω

—

6

15

—

6

15

—

6

15

pF

DIGITAL INPUT

Logic Levels

Logic "1"

+2.0

—

—

+2.0

—

—

+2.0

—

—

Volts

Logic "0"

—

—

+0.8

—

—

+0.8

—

—

+0.8

Volts

Logic Loading "1"

—

—

+20

—

—

+20

—

—

+20

µA

Logic Loading "0"

—

—

–20

—

—

–20

—

—

–20

µA

Start Convert Positive Pulse Width ➂

10

20

—

10

20

—

10

20

—

ns

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

—

14

—

—

14

—

—

14

—

Bits

—

±0.75

—

—

±0.75

—

—

±1

—

LSB

– 0.95

±0.5

+1.25

–0.95

±0.5

+1.25

–0.95

±0.5

+1.5

LSB

—

±0.15

±0.4

—

±0.15

±0.4

—

±0.4

±0.8

%FSR

—

±0.1

±0.3

—

±0.1

±0.3

—

±0.3

±0.6

%FSR

—

±0.2

±0.4

—

±0.2

±0.4

—

±0.4

±1.5

%

14

—

—

14

—

—

14

—

—

Bits

Peak Harmonics (–0.5dB)

dc to 1MHz

1MHz to 2.5MHz

2.5MHz to 5MHz

Total Harmonic Distortion (–0.5dB)

dc to 1MHz

1MHz to 2.5MHz

2.5MHz to 5MHz

Signal-to-Noise Ratio

(w/o distortion, –0.5dB)

dc to 1MHz

1MHz to 2.5MHz

2.5MHz to 5MHz

Signal-to-Noise Ratio ➃

(& distortion, –0.5dB)

dc to 1MHz

1MHz to 2.5MHz

2.5MHz to 5MHz

Noise

Two-tone Intermodulation

Distortion (fin = 2.45MHz,

1.975MHz, fs = 10MHz, –0.5dB)

Input Bandwidth (–3dB)

Small Signal (–20dB input)

Large Signal (–0.5dB input)

Feedthrough Rejection (fin = 5MHz)

Slew Rate

Aperture Delay Time

Aperture Uncertainty

—

–83

–76

—

–78

–72

—

–76

–71

—

–81

–74

—

–76

–71

—

–74

–69

72

76

—

72

76

—

71

75

—

70

74

—

70

74

—

68

73

—

—

150

—

—

–82

—

—

30

—

—

10

—

—

85

—

—

±400

—

—

+5

—

—

2

—

—

–83

–75

—

–78

–72

—

–76

–71

—

–81

–74

—

–76

–71

—

–74

–69

72

76

—

72

76

—

71

75

—

70

74

—

70

74

—

68

73

—

—

150

—

—

–82

—

—

30

—

—

10

—

—

85

—

—

±400

—

—

+5

—

—

2

—

—

–79

–71

dB

—

–73

–68

dB

—

–71

–65

dB

—

–77

–70

dB

—

–72

–66

dB

—

–69

–63

dB

70

75

—

dB

70

75

—

dB

70

75

—

dB

68

73

—

dB

66

71

—

dB

65

70

—

dB

—

150

—

µVrms

—

–82

—

dB

—

30

—

MHz

—

10

—

MHz

—

85

—

dB

—

±400

—

V/µs

—

+5

—

ns

—

2

—

ps rms

2

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