®
®
ADS-941
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
+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)
LIMITS
0 to +16
0 to –16
0 to +6.0
–0.3 to +V
DD
+0.3
±15
300
UNITS
Volts
Volts
Volts
Volts
Volts
°C
OUTPUTS
Output Coding
Logic Level
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Internal Reference
Voltage, +25°C
Drift
External Current
DYNAMIC PERFORMANCE
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
(f
in
= 100kHz,
240kHz, fs = 2.0Mhz,
–0.5dB)
Input Bandwidth
(–3dB)
Small Signal (–20dB input)
Large Signal (–0dB input)
Feedthrough Rejection
(f
in
= 500KHz)
Overvoltage Recovery,
±12V
A/D Conversion Rate
Noise
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
PHYSICAL/ENVIRONMENTAL
—
—
—
±0.018
±0.12
±0.6
0 to +70°C
14 Bits
±0.122
±0.3
±0.8
%
%
%
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)
+14.25
–14.25
+4.75
—
—
—
—
—
+15.0
–15.0
+5.0
+62
–80
+140
2.8
—
+15.75
–15.75
+5.25
+85
–95
+160
3.3
±0.02
Volts
Volts
Volts
mA
mA
mA
Watts
%FSR%V
—
—
—
—
–78
–77
75
74
74
73
78
77
±250
—
—
250
–85
–80
80
77
80
78
86
83
1
10
±5
350
—
—
—
—
—
—
—
—
V/µs
ns
ps
ns
dB
dB
dB
dB
dB
dB
dB
dB
MIN.
TYP.
MAX.
UNITS
Staight Bin./Offset Bin./Two's Comp.
Comp. Bin./Comp. Offset Bin./C2C
+2.4
—
—
—
+9.98
—
—
—
—
—
—
+10.0
±13
—
—
+0.4
–160
+6.4
+10.02
±30
5
Volts
Volts
µA
mA
Volts
ppm/°C
mA
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, ±V
CC
= ±15V, ±V
DD
= ±5V, 1MHz sampling rate, and a minimum 7 minute
warmup unless otherwise specified.)
ANALOG INPUTS
Input Voltage Range
Unipolar
Bipolar
Input Impedence
Input Capacitance
DIGITAL INPUTS
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
PERFORMANCE
Integral Non-Linearity
(f
in
= 10KHz)
+25°C
0 to +70°C
–40 to +85°C
Differential Non-Linearity
(f
in
= 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
(f
in
= 500kHz)
14 Bits
Resolution
+2.0
—
—
—
—
—
—
—
—
+0.8
+10
–600
Volts
Volts
µA
µA
MIN.
—
—
2.2
—
TYP.
0 to +10
±5
2.5
7
MAX.
—
—
—
15
UNITS
Volts
Volts
kΩ
pF
—
—
—
–0.75
–0.95
–1
—
—
—
—
—
—
—
—
—
—
—
—
±1
±1.5
±2
±0.5
±0.75
±0.95
±0.1
±0.12
±0.45
±0.05
±0.1
±0.2
±0.05
±0.1
±0.2
±0.1
±0.12
±0.6
±2
±2
±3
±0.75
±0.95
+2.5
±0.122
±0.36
±0.85
±0.122
±0.2
±0.3
±0.122
±0.2
±0.3
±0.12
±0.3
±0.8
LSB
LSB
LSB
LSB
LSB
LSB
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
—
—
—
—
—
1
—
–85
6
1.75
87
1000
—
250
—
—
—
—
2000
—
—
dB
MHz
MHz
dB
ns
MHz
µVrms
Footnote:
Same specification as In-Band Harmonics and Peak Harmonics.
2
CANDD [ C&D TECHNOLOGIES ]
