ADS-949GM 查看數據表（PDF） - Murata Power Solutions

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ADS-949GM

14 Bit, 12.8MHz Sampling A/D Converters

Murata Power Solutions 

ADS 949

PHYSICAL/ENVIRONMENTAL

PARAMETERS

MIN. TYP. MAX. UNITS

Operating Temp. Range, Case

ADS-949MC, GC

ADS-949MM, GM,

Thermal Impedance

θjc

θca

Storage Temperature Range

Package Type

Weight

0

—

+70

°C

–55

—

+125

°C

—

6

—

°C/Watt

—

23

—

°C/Watt

–65

—

+150

°C

32-pin, side-brazed, ceramic TDIP or SMT

0.46 ounces (13 grams)

14 Bit, 12.8MHz

Sampling A/D Converters

ABSOLUTE MAXIMUM RATINGS

PARAMETERS

LIMITS

+5V Supply (Pins 27, 30)

+15V Supply (Pin 28)

–5V Supply (Pin 3)

Digital Input (Pin 7)

Analog Input (Pins 1, 2)

Lead Temperature (10 seconds)

0 to +6

0 to +16

0 to –5.5V

–0.3 to +VDD +0.3

±5

+300

UNITS

Volts

Volts

Volts

Volts

Volts

°C

FUNCTIONAL SPECIFICATIONS

(TA = +25°C, +VDD = +5V, –VDD = –5V, +Vcc = +15V, 12.8MHz sampling rate, ±2.5V input range, and a minimum 3 minute warmup ➀ unless otherwise specified.)

ANALOG INPUT

MIN.

+25°C

TYP.

MAX.

0 to +70°C

MIN. TYP. MAX.

–55 to +125°C

MIN.

TYP.

MAX.

UNITS

Bipolar Input Voltage Range ➁

Unipolar Input Voltage Range ➁

Input Resistance (Vin A)

Input Capacitance

DIGITAL INPUT

±1

—

±2.5

±1

—

±2.5

±1

—

±2.5

Volts

0 to 2

—

0 to 5

0 to 2

—

0 to 5

0 to 2

—

0 to 5

Volts

—

400

—

—

400

—

—

400

—

Ω

—

6

15

—

6

15

—

6

15

pF

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

—

50

—

—

50

—

—

50

—

ns

STATIC PERFORMANCE

Resolution

Integral Nonlinearity

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

78

—

72

77

—

72

76

—

70

77

—

70

74

—

69

73

—

—

150

—

—

–82

—

—

30

—

—

20

—

—

85

—

—

±400

—

—

+5

—

—

2

—

—

–83

–75

—

–78

–72

—

–76

–71

—

–81

–74

—

–76

–71

—

–74

–69

72

78

—

72

77

—

72

76

—

70

74

—

70

74

—

69

73

—

—

150

—

—

–82

—

—

30

—

—

20

—

—

85

—

—

±400

—

—

+5

—

—

2

—

—

–79

–71

dB

—

–73

–68

dB

—

–71

–65

dB

—

–77

–70

dB

—

–72

–66

dB

—

–69

–63

dB

70

78

—

dB

70

77

—

dB

70

76

—

dB

68

73

—

dB

66

71

—

dB

65

70

—

dB

—

150

—

µVrms

—

–82

—

dB

—

30

—

MHz

—

20

—

MHz

—

85

—

dB

—

±400

—

V/µs

—

+5

—

ns

—

2

—

ps rms

www.murata-ps.com

Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000

MDC_ADS-949.B01  Page 2 of 8

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