®
®
ADS-944
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
+15V Supply
(Pins 12)
–15V Supply
(Pin 13)
+5V Supply
(Pins 1, 10)
–5V Supply
(Pin 2, 14)
Digital Input
(Pin 8, 9, 32)
Analog Input
(Pin 3)
Lead Temperature
(10 seconds)
LIMITS
0 to +16
0 to –16
0 to +6
0 to –6
–0.3 to +V
DD
+0.3
–5 to +5
+300
UNITS
Volts
Volts
Volts
Volts
Volts
Volts
°C
PHYSICAL/ENVIRONMENTAL
PARAMETERS
Operating Temp. Range, Case
ADS-944MC
ADS-944MM/883
Thermal Impedance
θjc
θca
Storage Temperature Range
Package Type
Weight
MIN.
0
–55
—
—
–65
TYP.
—
—
7
21
—
MAX.
+70
+125
—
—
+150
UNITS
°C
°C
°C/Watt
°C/Watt
°C
32-pin, metal-sealed, ceramic TDIP or SMT
0.46 ounces (13 grams)
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, ±V
CC
= ±15V, +V
DD
= +5V,V
dd
= –5.2V, 5MHz sampling rate, and a minimum 3 minute warmup
unless otherwise specified.)
+25°C
ANALOG INPUT
Input 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
(f
in
= 10kHz)
Differential Nonlinearity
(f
in
= 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
(f
in
= 10kHz)
DYNAMIC PERFORMANCE
Peak Harmonics
(–0.5dB)
dc to 100kHz
100kHz to 1MHz
1MHz to 2.5MHz
Total Harmonic Distortion
(–0.5dB)
dc to 100kHz
100kHz to 1MHz
1MHz to 2.5MHz
Signal-to-Noise Ratio
(w/o distortion, –0.5dB)
dc to 100kHz
100kHz to 1MHz
1MHz to 2.5MHz
Signal-to-Noise Ratio
(& distortion, –0.5dB)
dc to 100kHz
100kHz to 1MHz
1MHz to 2.5MHz
Noise
Two-tone Intermodulation
Distortion
(f
in
= 2.45MHz,
1.975MHz, f
s
= 5MHz, –0.5dB)
Input Bandwidth
(–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Feedthrough Rejection
(f
in
= 2.5MHz)
Slew Rate
Aperture Delay Time
Aperture Uncertainty
—
—
—
—
—
—
73
73
73
71
70
68
—
—
—
—
—
—
—
—
–85
–78
–75
–82
–77
–73
76
76
75
75
73
71
135
–82
20
13
90
±110
+10
3
–77
–71
–70
–76
–70
–68
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
73
73
73
71
69
66
—
—
—
—
—
—
—
—
–85
–78
–75
–82
–77
–73
76
76
75
75
73
71
135
–82
20
13
90
±110
+10
3
–75
–70
–68
–74
–70
–65
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
71
71
71
68
65
62
—
—
—
—
—
—
—
—
–81
–75
–71
–78
–73
–70
75
75
75
73
71
69
135
–82
20
13
90
±110
+10
3
–71
–67
–61
–70
–65
–60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µVrms
dB
MHz
MHz
dB
V/µs
ns
ps rms
—
—
–0.95
—
—
—
—
14
14
±0.75
±0.5
±0.15
±0.1
±0.2
±0.2
—
—
—
+1.2
±0.4
±0.3
±0.4
±0.4
—
—
—
–0.95
—
—
—
—
14
14
±0.75
±0.5
±0.15
±0.1
±0.2
±0.2
—
—
—
+1.2
±0.4
±0.3
±0.4
±0.4
—
—
—
–0.95
—
—
—
—
14
14
±1.0
±0.5
±0.4
±0.3
±0.3
±0.4
—
—
—
+1.5
±0.8
±0.6
±0.9
±1.5
—
Bits
LSB
LSB
%FSR
%FSR
%FSR
%
Bits
+2.0
—
—
—
40
—
—
—
—
80
—
+0.8
+20
–20
—
+2.0
—
—
—
40
—
—
—
—
80
—
+0.8
+20
–20
—
+2.0
—
—
—
40
—
—
—
—
80
—
+0.8
+20
–20
—
Volts
Volts
µA
µA
ns
MIN.
—
500
—
TYP.
±1.25
550
6
MAX.
—
—
15
MIN.
—
500
—
0 to +70°C
TYP.
±1.25
550
6
MAX.
—
—
15
MIN.
—
500
—
–55 to +125°C
TYP.
±1.25
550
6
MAX.
—
—
15
UNITS
Volts
Ω
pF
2
MURATA-PS [ MURATA POWER SOLUTIONS INC. ]
