ADS-118AMM 查看數據表（PDF） - Murata Power Solutions

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ADS-118AMM

12-Bit, 5MHz, Low-Power Sampling A/D Converters

Murata Power Solutions 

ADS-118/118A

®

®

ABSOLUTE MAXIMUM RATINGS

PARAMETERS

LIMITS

UNITS

PHYSICAL/ENVIRONMENTAL

PARAMETERS

MIN. TYP.

MAX. UNITS

+5V Supply (Pins 13, 21)

0 to +6

Volts

–5V Supply (Pin 20)

0 to –6

Volts

Digital Input (Pin 16, 17)

–0.3 to +VDD +0.3

Volts

Analog Input (Pin 19)

±5

Volts

Lead Temperature (10 seconds)

+300

°C

Operating Temp. Range, Case

ADS-118/118AMC

ADS-118/118AMM, GM, 883

Thermal Impedance

θjc

θca

Storage Temperature Range

Package Type

Weight

FUNCTIONAL SPECIFICATIONS

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

0

—

+70

°C

–55

—

+125

°C

—

2

—

°C/Watt

—

23

—

°C/Watt

–65

—

+150

°C

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

0.42 ounces (12 grams)

ANALOG INPUT

MIN.

+25°C

TYP.

MAX.

0 to +70°C

MIN. TYP. MAX.

–55 to +125°C

MIN.

TYP.

MAX.

UNITS

Input Voltage Range, ADS-118 ➁

Input Resistance

Input Capacitance

—

±1

—

—

±1

—

—

±1

—

Volts

475

500

—

475

500

—

475

500

—

Ω

—

6

15

—

6

15

—

6

15

pF

DIGITAL INPUT

Logic Levels

Logic "1"

Logic "0"

Logic Loading "1"

Logic Loading "0"

Start Convert Positive Pulse Width ➂

+2.0

—

—

—

—

—

—

—

50

100

—

+2.0

—

+0.8

—

—

+20

—

—

–20

—

—

—

50

100

—

+2.0

+0.8

—

+20

—

–20

—

—

50

—

—

Volts

—

+0.8

Volts

—

+20

µA

—

–20

µA

100

—

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)

—

12

—

—

12

—

—

12

—

Bits

—

±0.75

—

—

±1.0

—

—

±1.5

—

LSB

—

±0.5

+0.75

—

±0.5

±0.95

—

±0.75

+0.95

LSB

—

±0.1

±0.5

—

±0.5

±0.75

—

±0.75

±1.5

%FSR

—

±0.1

±0.5

—

±0.5

±0.85

—

±0.85

±2.0

%FSR

—

±0.1

±0.5

—

±0.5

±1.5

—

±1.5

±2.5

%FSR

—

±0.1

±0.5

—

±0.5

±1.0

—

±1.0

±2.5

%

12

—

—

12

—

—

12

—

—

Bits

DYNAMIC PERFORMANCE

Peak Harmonics (–0.5dB)

dc to 500kHz

500kHz to 1MHz

1MHz to 2.5MHz

Total Harmonic Distortion (–0.5dB)

dc to 500kHz

500kHz to 1MHz

1MHz to 2.5MHz

Signal-to-Noise Ratio

(w/o distortion, –0.5dB)

dc to 500kHz

500kHz to 1MHz

1MHz to 2.5MHz

Signal-to-Noise Ratio ➃

(& distortion, –0.5dB)

dc to 500kHz

500kHz to 1MHz

1MHz to 2.5MHz

Noise

Two-tone Intermodulation

Distortion (fin = 1MHz,

975kHz, fs = 5MHz, –0.5dB)

Input Bandwidth (–3dB)

Small Signal (–20dB input)

Large Signal (–0.5dB input)

Feedthrough Rejection (fin = 2.5MHz)

Slew Rate

Aperture Delay Time

Aperture Uncertainty

—

–76

–71

—

–75

–71

—

–69

–69

—

–72

–68

—

–71

–67

—

–70

–66

67

69

—

66

69

—

66

69

—

65

68

—

65

68

—

64

67

—

—

195

—

—

–74

—

—

20

—

—

10

—

—

80

—

—

±400

—

—

+10

—

—

3

—

—

–74

–70

—

–74

–70

—

–73

–67

—

–71

–67

—

–70

–66

—

–69

–65

66

69

—

65

68

—

65

68

—

64

67

—

64

67

—

63

66

—

—

195

—

—

–74

—

—

20

—

—

10

—

—

80

—

—

±400

—

—

+10

—

—

3

—

—

–72

–66

dB

—

–70

–65

dB

—

–66

–60

dB

—

–70

–65

dB

—

–67

–63

dB

—

–66

–60

dB

64

67

—

dB

63

66

—

dB

63

66

—

dB

62

66

—

dB

61

65

—

dB

60

64

—

dB

—

195

—

µVrms

—

–74

—

dB

—

20

—

MHz

—

10

—

MHz

—

80

—

dB

—

±400

—

V/µs

—

+10

—

ns

—

3

—

ps rms

2

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