®
®
ADS -9 4 1
ABSOLUTE MAXIMUM RATINGS
OUTPUTS
MIN.
TYP.
MAX. UNITS
PARAMETERS
LIMITS
UNITS
Output Coding
Staight Bin./Offset Bin./Two's Comp.
Comp. Bin./Comp. Offset Bin./C2C
+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
Volts
Volts
Volts
Volts
Volts
°C
Logic Level
Logic "1"
+2.4
—
—
—
—
—
—
—
Volts
Volts
µA
Logic "0"
+0.4
–160
+6.4
Logic Loading "1"
Logic Loading "0"
Internal Reference
Voltage, +25°C
Drift
—
mA
300
+9.98
—
—
+10.0
±13
—
+10.02
±30
5
Volts
ppm/°C
mA
External Current
FUNCTIONAL SPECIFICATIONS
(TA = +25°C, ±VCC = ±15V, ±VDD = ±5V, 1MHz sampling rate, and a minimum 7 minute
warmup unless otherwise specified.)
DYNAMIC PERFORMANCE
Slew Rate
—
—
—
±250
—
—
1
10
±5
V/µs
ns
ps
Aperature Delay Time
Aperature Uncertainty
S/HAquisitionTIme
(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 ➀
dc to 100kHz78
ANALOG INPUTS
MIN.
TYP.
MAX. UNITS
Input Voltage Range
Unipolar
Bipolar
Input Impedence
Input Capacitance
—
—
2.2
—
0 to +10
—
—
—
15
Volts
Volts
kΩ
—
250
350
ns
±5
2.5
7
–78
–77
–85
–80
—
—
dB
dB
pF
DIGITAL INPUTS
75
74
80
77
—
—
dB
dB
Logic Levels
Logic "1"
+2.0
—
—
—
—
—
—
—
+0.8
+10
Volts
Volts
µA
Logic "0"
Logic Loading "1"
Logic Loading "0"
74
73
80
78
—
—
dB
dB
—
–600
µA
PERFORMANCE
78
77
86
83
—
—
dB
dB
100 to 500kHz
Two-tone IMD
Integral Non-Linearity
(fin = 10KHz)
Distortion (fin = 100kHz,
240kHz, fs = 2.0Mhz,
–0.5dB)
Input Bandwidth (–3dB)
Small Signal (–20dB input)
Large Signal (–0dB input)
Feedthrough Rejection
(fin = 500KHz)
+25°C
0 to +70°C
–40 to +85°C
—
—
—
±1
±1.5
±2
±2
±2
±3
LSB
LSB
LSB
—
–85
—
dB
Differential Non-Linearity
(fin = 10KHz)
—
—
6
1.75
—
—
MHz
MHz
+25°C
0 to +70°C
–40 to +85°C
–0.75
–0.95
–1
±0.5
±0.75
±0.95
±0.75
±0.95
+2.5
LSB
LSB
LSB
—
—
1
87
1000
—
—
2000
—
dB
ns
MHz
µVrms
Overvoltage Recovery, ±12V
A/D Conversion Rate
Noise
Full Scale Absolute Accuracy
+25°C
—
—
—
±0.1
±0.12
±0.45
±0.122
±0.36
±0.85
%FSR
%FSR
%FSR
—
250
—
0 to +70°C
–40 to +85°C
Unipolar Zero Error
+25°C (see Figure 3)
0 to +70°C
POWER REQUIREMENTS
—
—
—
±0.05
±0.1
±0.2
±0.122
±0.2
±0.3
%FSR
%FSR
%FSR
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
+15.0
–15.0
+5.0
+15.75
–15.75
+5.25
Volts
Volts
Volts
–40 to +85°C
Bipolar Zero Error
+25°C (see Figure 3)
0 to +70°C
—
—
—
±0.05
±0.1
±0.2
±0.122
±0.2
±0.3
%FSR
%FSR
%FSR
—
—
—
—
—
+62
–80
+140
2.8
+85
–95
+160
3.3
mA
mA
mA
–40 to +85°C
Bipolar Offset Error
+25°C (see Figure 3)
0 to +70°C
—
—
—
±0.1
±0.12
±0.6
±0.12
±0.3
±0.8
%FSR
%FSR
%FSR
Watts
—
±0.02 %FSR%V
–40 to +85°C
Gain Error
PHYSICAL/ENVIRONMENTAL
+25°C (see Figure 3)
0 to +70°C
–40 to +85°C
—
—
—
±0.018
±0.12
±0.6
±0.122
±0.3
±0.8
%
%
%
Operating Temp. Range, Case
ADS-941MC
0
–40
–65
—
—
—
+70
+85
+150
°C
°C
°C
No Missing Codes (fin = 500kHz)
14 Bits
Resolution
ADS-941ME
Storage Temperature Range
Package Type
0 to +70°C
14 Bits
32-pin, metal-sealed, ceramic TDIP
0.46 ounces (13 grams)
Weight
Footnote:
➀ Same specification as In-Band Harmonics and Peak Harmonics.
2