®
®
ADS-945
ABSOLUTE MAXIMUM
PARAMETERS
+15V Supply
(Pins 14)
–15V Supply
(Pin 12)
+5V Supply
(Pins 55, 69)
–5V Supply
(Pin 57, 63)
Digital Input
(Pin 32, 34)
Analog Input
(Pin 4)
Lead Temperature
(10 seconds)
LIMITS
0 to +16
0 to –16
0 to +6
0 to –6
–0.3 to +V
DD
+0.3
–15 to +15
+300
UNITS
Volts
Volts
Volts
Volts
Volts
Volts
°C
PHYSICAL/ENVIRONMENTAL
PARAMETERS
Operating Temp. Range, Case
ADS-945
ADS-945EX
Thermal Impedance
θjc
θca
Storage Temperature Range
Package Type
Weight
MIN.
0
–55
—
—
–65
TYP.
—
—
MAX.
+70
+125
UNITS
°C
°C
°C/Watt
°C/Watt
°C
10
—
8
—
—
+150
2" x 4" module
2.1 oz. (60 grams)
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, ±V
CC
= ±15V, +V
DD
= +5V, V
DD
= –5.2V, 10MHz sampling rate, and a minimum 10 minute warmup
➀
unless otherwise specified.)
+25°C
ANALOG INPUT
Input Voltage Range
➁
Input Resistance
Input Capacitance
Input Bias Current
DIGITAL INPUT
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Start Convert Positive Pulse Width
➂
STATIC PERFORMANCE
Resolution
Integral Nonlinearity
(dc input)
Differential Nonlinearity
(f
in
= 10kHz)
Full Scale Absolute Accuracy
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 1mHz
1MHz to 2.5MHz
2.5MHz to 5MHz
Total Harmonic Distortion
(–0.5dB)
dc to 1MHz
1MHz to 2.5MHz
2.5MHz to 5MHz
Signal-to-Noise Ratio
(w/o distortion, –0.5dB)
dc to 1MHz
100kHz to 2.5MHz
2.5MHz to 5MHz
Signal-to-Noise Ratio
➃
(& distortion, –0.5dB)
dc to 100kHz
1MHz to 2.5MHz
2.5MHz to 5MHz
Noise
Two-tone Intermodulation
Distortion
(f
in
= 1.975MHz,
2.45MHz, f
s
= 10MHz, –0.5dB)
Input Bandwidth
(–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Feedthrough Rejection
(f
in
= 4.85MHz)
Slew Rate
Aperture Delay Time
Aperture Uncertainty
—
—
—
—
—
—
71
71
70
70
70
69
—
—
—
—
—
—
—
—
–80
–80
–79
–80
–80
–78
75
75
74
77
74
73
110
–84
100
50
90
±650
±8
2
–75
–75
–73
–75
–74
–71
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
69
—
—
69
—
—
—
—
—
—
—
—
—
—
–79
—
—
–78
—
—
74
—
—
73
110
–84
100
50
90
±650
±8
2
—
—
–73
—
—
–71
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
67
—
—
65
—
—
—
—
—
—
—
—
—
—
–75
—
—
–75
—
—
72
—
—
70
110
–84
100
50
90
±650
±8
2
—
—
–69
—
—
–68
—
—
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µVrms
dB
MHz
MHz
dB
V/µs
ns
ps rms
—
—
–0.99
—
—
—
14
14
±0.5
±0.5
±0.2
±0.15
±0.1
—
—
—
+1.5
±0.4
±0.25
±0.2
—
—
—
–0.99
—
—
—
14
14
±0.75
±0.5
±0.3
±0.25
±0.2
—
—
—
+1.5
±0.5
±0.5
±0.4
—
—
—
–0.99
—
—
—
14
14
±1
±0.75
±0.3
±0.3
±0.3
—
—
—
+2.5
±0.7
±0.7
±0.7
—
Bits
LSB
LSB
%FSR
%FSR
%
Bits
+2.0
—
—
—
10
—
—
—
—
50
—
+0.8
+20
–20
—
+2.0
—
—
—
10
—
—
—
—
50
—
+0.8
+20
–20
—
+2.0
—
—
—
10
—
—
—
—
50
—
+0.8
+20
–20
—
Volts
Volts
µA
µA
ns
MIN.
—
300
—
—
TYP.
±1.25
500
10
±3
MAX.
—
—
15
—
MIN.
—
300
—
—
0 to + 0°C
TYP.
±1.25
500
10
±3
MAX.
—
—
15
—
MIN.
—
300
—
—
55 to +125°C
TYP.
±1.25
500
10
±3
MAX.
—
—
15
—
UNITS
Volts
kΩ
pF
µA
2
MURATA-PS [ MURATA POWER SOLUTIONS INC. ]
