PHYSICAL/ENVIRONMENTAL
PARAMETERS
Operating Temp. Range, Case
ADS-951MC
ADS-951ME
Thermal Impedance
jc
ca
Storage Temperature Range
Package Type
Weight
MIN.
TYP.
MAX.
UNITS
0
—
—
+70
+110
°C
°C
–40
—
—
–65
5
—
—
°C/Watt
°C/Watt
°C
22
—
+150
32-pin, metal-sealed, ceramic TDIP
0.46 ounces (13 grams)
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
+15V Supply (Pin 9)
–15V Supply (Pin 8)
+5V Supply (Pins 10, 14)
–5V Supply (Pin 11)
Digital Input (Pin 16)
Analog Input (Pin 4)
Lead Temperature (10 seconds)
LIMITS
0 to +16
0 to –16
0 to +6
0 to –6
UNITS
Volts
Volts
Volts
Volts
Volts
Volts
°C
–0.3 to +VDD +0.3
±15
+300
+25°C
TYP.
±5
500
7
0 TO +70°C
TYP.
±5
500
7
–40 TO +110°C
TYP.
±5
500
7
ANALOG INPUT
nput Voltage Range
Input Resistance
Input Capacitance
DIGITAL INPUT
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Start Convert Positive Pulse Width
STATIC PERFORMANCE
Resolution
Integral Nonlinearity (fin = 10kHz)
Differential Nonlinearity (fin = 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 (fin = 10kHz)
DYNAMIC PERFORMANCE (500kHz SAMPLING RATE)
Peak Harmonics (–0.5dB)
dc to 100kHz
Total Harmonic Distortion (–0.5dB)
dc to 100kHz
Signal-to-Noise Ratio (w/o distortion, –0.5dB)
dc to 100kHz
Signal-to-Noise Ratio (& distortion, –0.5dB)
dc to 100kHz
DC Noise
Two-Tone Intermodulation Distortion
(fin = 100kHz, 240kHz, fs = 500kHz, –0.5dB)
Input Bandwidth (–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Feedthrough Rejection (fin = 500kHz)
Slew Rate
Aperture Delay Time
Aperture Uncertainty
S/H Acquisition Time ( to ±0.003%FSR, 10V step)
Overvoltage Recovery Time
A/D Conversion Rate
ANALOG OUTPUT
nternal Reference
Voltage
Drift
External Current
MIN.
—
—
—
MAX.
—
—
15
MIN.
—
—
—
MAX.
—
—
15
MIN.
—
—
—
MAX.
—
—
15
UNITS
Volts
pF
+2.0
—
—
—
20
—
—
—
—
500
—
+0.8
+20
–20
—
+2.0
—
—
—
20
—
—
—
—
500
—
+0.8
+20
–20
—
+2.0
—
—
—
20
—
—
—
—
500
—
+0.8
+20
–20
—
Volts
Volts
μA
μA
ns
—
—
–0.95
—
—
—
—
18
18
±10
±0.5
±0.1
±0.1
±0.1
±0.1
—
—
—
+1
±0.25
±0.15
±0.2
±0.25
—
—
—
–0.95
—
—
—
—
18
18
±10
±0.5
±0.25
±0.15
±0.2
±0.25
—
—
—
+1
±0.4
±0.25
±0.3
±0.4
—
—
—
–0.95
—
—
—
—
18
18
±15
±0.50
±0.4
±0.25
±0.3
±0.4
—
—
—
Bits
LSB
LSB
%FSR
%FSR
%FSR
%
Bits
+1.25
±0.8
±0.5
±0.6
±0.9
—
—
–87
–80
—
–87
–80
—
–82
—
dB
—
–85
–80
—
–85
–80
—
–81
—
dB
91
93
—
91
93
—
—
92
—
dB
76
—
84
76
—
—
76
—
84
76
—
—
—
—
80
76
—
—
dB
μVrms
—
–85
—
—
–85
—
—
–81
—
d
—
—
—
—
—
—
—
—
1
TBD
TBD
84
TBD
+20
5
260
500
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
TBD
TBD
84
TBD
+20
5
260
500
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
TBD
TBD
84
TBD
+20
5
260
500
—
—
—
—
—
—
—
—
—
—
MHz
MHz
dB
V/μs
ns
ps rms
ns
ns
MHz
+4.95
—
—
+5.0
±30
1
+5.05
—
—
+4.95
—
—
+5.0
±30
1
+5.05
—
—
+4.95
—
—
+5.0
±30
1
+5.05
—
—
Volts
ppm/°C
mA
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, ±V
CC
= ±15V, ±V
DD
= ±5V, 1MHz sampling rate, and a minimum 1 minute warmup
unless otherwise specified.)
ADS-951
18-Bit, 1MHz, Low-Power Sampling A/D Converters
DATEL
11 Cabot Boulevard, Mansfield, MA 02048-1151 USA Tel: (508) 339-3000 www.datel.com e-mail: help@datel.com
01 Apr 2011 MDA_ADS-951.B02
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