ADS-941 查看數據表（PDF） - DATEL Data Acquisition products
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ADS-941 Datasheet PDF : 6 Pages
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ADS-941
®
®
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
LIMITS
+15V Supply (Pin 12)
–15V Supply (Pin 13)
+5V Supply (Pin 10)
Digital Inputs (Pin 8,9, 32)
Analog Input (Pin 3)
Lead Temp. (10 seconds)
0 to +16
0 to –16
0 to +6.0
–0.3 to +VDD +0.3
±15
300
UNITS
Volts
Volts
Volts
Volts
Volts
°C
FUNCTIONAL SPECIFICATIONS
(TA = +25°C, ±VCC = ±15V, ±VDD = ±5V, 1MHz sampling rate, and a minimum 7 minute
warmup unless otherwise specified.)
ANALOG INPUTS
MIN. TYP. MAX. UNITS
Input Voltage Range
Unipolar
Bipolar
Input Impedence
Input Capacitance
—
0 to +10 —
Volts
—
±5
—
Volts
2.2
2.5
—
kΩ
—
7
15
pF
DIGITAL INPUTS
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
+2.0
—
—
Volts
—
—
+0.8
Volts
—
—
+10
µA
—
—
–600
µA
PERFORMANCE
Integral Non-Linearity
(fin = 10KHz)
+25°C
0 to +70°C
–40 to +85°C
Differential Non-Linearity
(fin = 10KHz)
+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 (see Figure 3)
0 to +70°C
–40 to +85°C
Bipolar Zero Error
+25°C (see Figure 3)
0 to +70°C
–40 to +85°C
Bipolar Offset Error
+25°C (see Figure 3)
0 to +70°C
–40 to +85°C
Gain Error
+25°C (see Figure 3)
0 to +70°C
–40 to +85°C
No Missing Codes (fin = 500kHz)
14 Bits
Resolution
—
±1
±2
LSB
—
±1.5
±2
LSB
—
±2
±3
LSB
–0.75
–0.95
–1
±0.5
±0.75
±0.95
±0.75
±0.95
+2.5
—
±0.1 ±0.122
—
±0.12 ±0.36
—
±0.45 ±0.85
—
±0.05 ±0.122
—
±0.1
±0.2
—
±0.2
±0.3
—
±0.05 ±0.122
—
±0.1
±0.2
—
±0.2
±0.3
—
±0.1 ±0.12
—
±0.12 ±0.3
—
±0.6
±0.8
—
±0.018 ±0.122
—
±0.12 ±0.3
—
±0.6
±0.8
0 to +70°C
14 Bits
LSB
LSB
LSB
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%
%
%
OUTPUTS
MIN. TYP. MAX. UNITS
Output Coding
Logic Level
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Internal Reference
Voltage, +25°C
Drift
External Current
DYNAMIC PERFORMANCE
Staight Bin./Offset Bin./Two's Comp.
Comp. Bin./Comp. Offset Bin./C2C
+2.4
—
—
Volts
—
—
+0.4
Volts
—
—
–160
µA
—
—
+6.4
mA
+9.98
—
—
+10.0
±13
—
+10.02
±30
5
Volts
ppm/°C
mA
Slew Rate
Aperature Delay Time
Aperature Uncertainty
S/H Aquisition TIme
(to ±0.003%FS, 10V step)
Total Harm. Distort. (–0.5dB)
dc to 100kHz
100kHz to 500kHz
Signal-to-Noise Ratio
(w/o distortion, –0.5dB
dc to 100kHz
100kHz to 500kHz
Signal-to-Noise Ratio
(and distortion, –0.5dB)
dc to 100kHz
100kHz to 500kHz
Spurious Free Dyn. Range
dc to 100kHz78
100 to 500kHz
Two-tone IMD
Distortion (fin = 100kHz,
240kHz, fs = 2.0Mhz,
–0.5dB)
Input Bandwidth (–3dB)
Small Signal (–20dB input)
Large Signal (–0dB input)
Feedthrough Rejection
(fin = 500KHz)
Overvoltage Recovery, ±12V
A/D Conversion Rate
Noise
—
±250
1
V/µs
—
—
10
ns
—
—
±5
ps
—
250
350
ns
–78
–85
—
dB
–77
–80
—
dB
75
80
—
dB
74
77
—
dB
74
80
—
dB
73
78
—
dB
78
86
—
dB
77
83
—
dB
—
–85
—
dB
—
6
—
MHz
—
1.75
—
MHz
—
87
—
dB
—
1000 2000
ns
1
—
—
MHz
—
250
—
µVrms
POWER REQUIREMENTS
Power Supply Ranges
+15V Supply
–15V Supply
+5V Supply
Power Supply Currents
+15V Supply
–15V Supply
+5V Supply
Power Dissipation
Power Supply Rejection
+14.25
–14.25
+4.75
—
—
—
—
—
PHYSICAL/ENVIRONMENTAL
+15.0
–15.0
+5.0
+62
–80
+140
2.8
—
+15.75 Volts
–15.75 Volts
+5.25 Volts
+85
–95
+160
3.3
±0.02
mA
mA
mA
Watts
%FSR%V
Operating Temp. Range, Case
ADS-941MC
ADS-941ME
Storage Temperature Range
Package Type
Weight
0
—
+70
°C
–40
—
+85
°C
–65
—
+150
°C
32-pin, metal-sealed, ceramic TDIP
0.46 ounces (13 grams)
Footnote:
Same specification as In-Band Harmonics and Peak Harmonics.
2
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