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參數資料
| 型號： | ADS944 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | 14-Bit, 5MHz Sampling A/D Converters |
| 中文描述： | 14位，5MHz的采樣A / D轉換器 |
| 文件頁數： | 2/8頁 |
| 文件大小： | 172K |
| 代理商： | ADS944 |
ADS -944
2
PARAMETERS
LIMITS
UNITS
+15V Supply
(Pins 12)
–15V Supply
(Pin 13)
+5V Supply
(Pins 1, 10)
–5V Supply
(Pin 2, 14)
Digital Input
(Pin 8, 9, 32)
Analog Input
(Pin 3)
Lead Temperature
(10 seconds)
0 to +16
0 to –16
0 to +6
0 to –6
Volts
Volts
Volts
Volts
Volts
Volts
°C
–0.3 to +V
DD
+0.3
–5 to +5
+300
PARAMETERS
MIN.
TYP.
MAX.
UNITS
Operating Temp. Range, Case
ADS-944MC
ADS-944MM/883
Thermal Impedance
θ
jc
θ
ca
Storage Temperature Range
Package Type
Weight
0
—
—
+70
+125
°C
°C
–55
—
—
–65
32-pin, metal-sealed, ceramc TDIP or SMT
0.46 ounces (13 grams)
7
21
—
—
—
°C/Watt
°C/Watt
°C
+150
ABSOLUTE MAXIMUM RATINGS
PHYSICAL/ENVIRONMENTAL
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, ±V
CC
= ±15V, +V
DD
= +5V,V
dd
= –5.2V, 5MHz sampling rate, and a mnimum3 mnute warmup
unless otherwise specified.)
+25°C
TYP.
0 to +70°C
TYP.
–55 to +125°C
TYP.
ANALOG INPUT
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
UNITS
Input Voltage Range
Input Resistance
Input Capacitance
—
500
—
±1.25
550
6
—
—
15
—
500
—
±1.25
550
6
—
—
15
—
500
—
±1.25
550
6
—
—
15
Volts
pF
DIGITAL INPUT
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Start Convert Positive Pulse Width
+2.0
—
—
—
40
—
—
—
—
80
—
+0.8
+20
–20
—
+2.0
—
—
—
40
—
—
—
—
80
—
+0.8
+20
–20
—
+2.0
—
—
—
40
—
—
—
—
80
—
+0.8
+20
–20
—
Volts
Volts
μA
μA
ns
STATIC PERFORMANCE
Resolution
Integral Nonlinearity
(f
in
= 10kHz)
Differential Nonlinearity
(f
in
= 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
(f
in
= 10kHz)
—
—
14
—
—
+1.2
±0.4
±0.3
±0.4
±0.4
—
—
—
14
—
—
+1.2
±0.4
±0.3
±0.4
±0.4
—
—
—
14
±1.0
±0.5
±0.4
±0.3
±0.3
±0.4
—
—
—
+1.5
±0.8
±0.6
±0.9
±1.5
—
Bits
LSB
LSB
%FSR
%FSR
%FSR
%
Bits
±0.75
±0.5
±0.15
±0.1
±0.2
±0.2
—
±0.75
±0.5
±0.15
±0.1
±0.2
±0.2
—
–0.95
—
—
—
—
14
–0.95
—
—
—
—
14
–0.95
—
—
—
—
14
DYNAMIC PERFORMANCE
Peak Harmonics
(–0.5dB)
dc to 100kHz
100kHz to 1MHz
1MHz to 2.5MHz
Total Harmonic Distortion
(–0.5dB)
dc to 100kHz
100kHz to 1MHz
1MHz to 2.5MHz
Signal-to-Noise Ratio
(w/o distortion, –0.5dB)
dc to 100kHz
100kHz to 1MHz
1MHz to 2.5MHz
Signal-to-Noise Ratio
(& distortion, –0.5dB)
dc to 100kHz
100kHz to 1MHz
1MHz to 2.5MHz
Noise
Two-tone Intermodulation
Distortion
(f
in
= 2.45MHz,
1.975MHz, f
s
= 5MHz, –0.5dB)
Input Bandwidth
(–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Feedthrough Rejection
(f
in
= 2.5MHz)
Slew Rate
Aperture Delay Time
Aperture Uncertainty
—
—
—
–85
–78
–75
–77
–71
–70
—
—
—
–85
–78
–75
–75
–70
–68
—
—
—
–81
–75
–71
–71
–67
–61
dB
dB
dB
—
—
—
–82
–77
–73
–76
–70
–68
—
—
—
–82
–77
–73
–74
–70
–65
—
—
—
–78
–73
–70
–70
–65
–60
dB
dB
dB
73
73
73
76
76
75
—
—
—
73
73
73
76
76
75
—
—
—
71
71
71
75
75
75
—
—
—
dB
dB
dB
71
70
68
—
75
73
71
135
—
—
—
—
71
69
66
—
75
73
71
135
—
—
—
—
68
65
62
—
73
71
69
135
—
—
—
—
dB
dB
dB
μVrms
—
–82
—
—
–82
—
—
–82
—
dB
—
—
—
—
—
—
20
13
90
±110
+10
3
—
—
—
—
—
—
—
—
—
—
—
—
20
13
90
±110
+10
3
—
—
—
—
—
—
—
—
—
—
—
—
20
13
90
±110
+10
3
—
—
—
—
—
—
MHz
MHz
dB
V/μs
ns
ps rms
相關PDF資料 |
PDF描述 |
|---|---|
| ADS-944MC | 14-Bit, 5MHz Sampling A/D Converters |
| ADS-944MM | 14-Bit, 5MHz Sampling A/D Converters |
| ADS947 | 14-Bit, 10MHz Sampling A/D Converters |
| ADS-947 | 14-Bit, 10MHz Sampling A/D Converters |
| ADS-947GC | 14-Bit, 10MHz Sampling A/D Converters |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADS-944 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:14-Bit 5MHZ Sampling A/D Converters |
| ADS-944/883 | 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 5Msps 14-bit Parallel 32-Pin TDIP |
| ADS-944MC | 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 5Msps 14-bit Parallel 32-Pin TDIP |
| ADS-944MM | 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 5Msps 14-bit Parallel 32-Pin TDIP |
| ADS-945 | 制造商:Murata Power Solutions 功能描述:ADC Dual 2-Step Flash 10Msps 14-bit Parallel 76-Pin |
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