參數(shù)資料
型號(hào)： ADS-942A
廠(chǎng)商： Electronic Theatre Controls, Inc.
元件分類(lèi)： 串行ADC
英文描述： 14-Bit, 2MHz, Low-Power Sampling A/D Converters
中文描述： 14位，2MHz的，低功耗采樣A / D轉(zhuǎn)換器
文件頁(yè)數(shù)： 2/6頁(yè)
文件大?。?/td> 76K
代理商： ADS-942A
ADS -942A
2
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
LIMITS
UNITS
+15V Supply
(Pin 12)
–15V Supply
(Pin 13)
+5V Supply
(Pin 10)
–5V Supply
(Pin 14)
Digital Inputs
(Pin 8,9, 32)
Analog Input
(Pin 3)
Lead Temp.
(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
±15
+300
OUTPUTS
MIN.
TYP.
MAX.
UNITS
Output Coding
Staight Bin./Offset Bin./2's Comp.
Comp. Bin./Comp. Offset Bin./C2C
Logic Level
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Internal Reference
Voltage, +25°C
Drift
External Current
+2.4
—
—
—
—
—
—
—
—
+0.4
–160
+6.4
Volts
Volts
μA
mA
+9.98
—
—
+10.0
±13
—
+10.02
±30
5
Volts
ppm/°C
mA
DYNAMIC PERFORMANCE
Total Harm. Distort.
(0.5dB)
dc to 100kHz
100kHz to 500kHz
500kHz to 1MHz
Signal-to-Noise Ratio
(w/o distortion, –0.5dB
dc to 100kHz
100kHz to 500kHz
500kHz to 1MHz
Signal-to-Noise Ratio
(and distortion, –0.5dB)
dc to 100kHz
100kHz to 500kHz
500kHz to 1MHz
Spurious Free Dyn. Range
dc to 100kHz
100 to 500kHz
500kHz to 1MHz
Two-tone IMD
Input Bandwidth
(–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Slew Rate
Aperture Delay Time
Aperature Uncertainty
S/H Acq. Time
, (to ±0.003%FSR)
Sinusoidal (fin = 1MHz)
Step input (10V)
Conversion Rate
Sinusoidal (fin = 1MHz)
Step input
Feedthrough Rejection
(fin = 1MHz)
Overvoltage Recovery,
±12V
Noise
—
—
—
–85
–80
–77
–76
–75
—
dB
dB
dB
74
73
—
78
75
73
—
—
—
dB
dB
dB
73
72
—
78
75
72
—
—
—
dB
dB
dB
—
—
—
—
–86
–81
–78
85
–77
–75
—
—
dB
dB
dB
dB
—
—
—
—
—
6
—
—
—
±10
5
MHz
MHz
V/μs
ns
ps, ms
1.75
±250
—
—
—
—
—
250
150
450
ns
ns
2
—
—
—
—
MHz
MHz
1.3
—
—
—
85
1000
250
—
dB
ns
2000
—
μVrms
POWER REQUIREMENTS
Power Supply Ranges
+15V Supply
–15V Supply
+5V Supply
–5V Supply
Power Supply Currents
+15V Supply
–15V Supply
+5V Supply
–5V Supply
Power Dissipation
Power Supply Rejection
+14.25
–14.25
+4.75
–4.75
+15.0
–15.0
+5.0
–5.0
+15.75
–15.75
+5.25
–5.25
Volts
Volts
Volts
Volts
—
—
—
—
—
—
+65
–19
+150
–55
2.2
—
+80
–35
+175
–65
2.6
±0.03
mA
mA
mA
mA
Watts
%FSR%V
PHYSICAL/ENVIRONMENTAL
Operating Temp. Range, Case
ADS-942AMC
ADS-942AME
Storage Temperature Range
Package Type
Weight
0
—
—
—
+70
+85
+150
°C
°C
°C
–40
–65
32-pin, metal-sealed, ceramc TDIP
0.46 ounces (13 grams)
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, ±V
CC
= ±15V, ±V
DD
= ±5V, 2MHz sampling rate, and a mnimum7 mnute
warmup
unless otherwise specified.)
ANALOG INPUTS
MIN.
TYP.
MAX.
UNITS
Input Voltage Range
Unipolar
Bipolar
Input Impedence
Input Capacitance
—
—
2.3
—
0 to +10
±5
2.5
7
—
—
—
15
Volts
Volts
k
pF
DIGITAL INPUTS
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
+2.0
—
—
—
—
—
—
—
—
+0.8
+10
–600
Volts
Volts
μA
μA
PERFORMANCE
Integral Non-Linearity
+25°C
0 to +70°C
–40 to +85°C
Differential Non-Linearity
+25°C
0 to +70°C
–40 to +85°C
Full Scale Absolute Accuracy
+25°C
0 to +70°C
–40 to +85°C
Unipolar Zero Error
+25°C
0 to +70°C
–40 to ±85°C
Bipolar Zero Error
+25°C
0 to +70°C
–40 to +85°C
Bipolar Offset Error
+25°C
0 to +70°C
–40 to +85°C
Gain Error
+25°C
0 to +70°C
–40 to +85°C
No Missing Codes
(f
in
= 500kHz)
14 Bits
13 Bits
Resolution
—
—
—
±1
±1
±2
±2
±2
±3
LSB
LSB
LSB
—
±0.5
±0.75
±1
±0.75
±0.95
+2.5
LSB
LSB
LSB
–0.95
–1
—
—
—
±0.1
±0.12
±0.45
±0.122
±0.36
±0.85
%FSR
%FSR
%FSR
—
—
—
±0.05
±0.1
±0.2
±0.122
±0.2
±0.3
%FSR
%FSR
%FSR
—
—
—
±0.05
±0.1
±0.2
±0.122
±0.2
±0.3
%FSR
%FSR
%FSR
—
—
—
±0.1
±0.12
±0.5
±0.2
±0.3
±0.8
%FSR
%FSR
%FSR
—
—
—
±0.018
±0.12
±0.6
±0.122
±0.3
±0.8
%
%
%
0 to +70°C
–40 to +85°C
14 Bits
6.02
(SNR + Distortion) – 1.76 + 20 log
Full Scale Amplitude
Actual Input Amplitude
Footnote:
Effective Bits is equal to:
Same specification as In-Band Harmonics and Peak Harmonics.
Two-tone Intermodulation Distortion (IMD) conditions:
f
in
= 100kHz, 240kHz, fs = 2MHz, –0.5dB
相關(guān)PDF資料
PDF描述
ADS-942AMC 14-Bit, 2MHz, Low-Power Sampling A/D Converters
ADS-942AME 14-Bit, 2MHz, Low-Power Sampling A/D Converters
ADS-943 14-Bit, 3MHz, Low-Distortion Sampling A/D Converters
ADS-943GM 14-Bit, 3MHz, Low-Distortion Sampling A/D Converters
ADS-943MC 14-Bit, 3MHz, Low-Distortion Sampling A/D Converters
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS-942AMC 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 2Msps 14-bit Parallel 32-Pin TDIP
ADS-942AME 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 2Msps 14-bit Parallel 32-Pin TDIP
ADS-942MC 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 2Msps 14-bit Parallel 32-Pin PDIP
ADS-942ME 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Analog-to-Digital Converter， 14-Bit
ADS-942MM 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Analog-to-Digital Converter， 14-Bit
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