®
®
ADS-947
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
+5V Supply
(Pins 13, 22)
–5.2V Supply
(Pin 20)
Digital Input
(Pin 18)
Analog Input
(Pin 21)
Lead Temperature
(10 seconds)
LIMITS
0 to +6
0 to –5.5V
–0.3 to +V
DD
+0.3
±5
+300
UNITS
Volts
Volts
Volts
Volts
°C
PHYSICAL/ENVIRONMENTAL
PARAMETERS
Operating Temp. Range, Case
ADS-947MC, GC
ADS-947ME, GE, QL
Thermal Impedance
θjc
θca
Storage Temperature Range
Package Type
Weight
MIN.
0
–40
TYP.
—
—
MAX.
+70
+100
UNITS
°C
°C
—
6
—
°C/Watt
—
23
—
°C/Watt
–65
—
+150
°C
24-pin, metal-sealed, ceramic DDIP or SMT
0.46 ounces (13 grams)
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, +V
DD
= +5V, –V
DD
= –5.2V, 10MHz sampling rate, and a minimum 3 minute warmup
➀
unless otherwise specified.)
+25°C
ANALOG INPUT
Input Voltage Range
➁
Input Resistance
Input Capacitance
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
(f
in
= 10kHz)
Differential Nonlinearity
(f
in
= 10kHz)
Full Scale Absolute Accuracy
Bipolar Zero 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
1MHz to 2.5MHz
2.5MHz to 5MHz
Signal-to-Noise Ratio
➃
(& distortion, –0.5dB)
dc to 1MHz
1MHz to 2.5MHz
2.5MHz to 5MHz
Noise
Two-tone Intermodulation
Distortion
(f
in
= 2.45MHz,
1.975MHz, f
s
= 10MHz, –0.5dB)
Input Bandwidth
(–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Feedthrough Rejection
(f
in
= 5MHz)
Slew Rate
Aperture Delay Time
Aperture Uncertainty
—
—
—
—
—
—
72
72
71
70
70
68
—
—
—
—
—
—
—
—
–83
–78
–76
–81
–76
–74
76
76
75
74
74
73
150
–82
30
10
85
±400
+5
2
–76
–72
–71
–74
–71
–69
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
72
72
71
70
70
68
—
—
—
—
—
—
—
—
–83
–78
–76
–81
–76
–74
76
76
75
74
74
73
150
–82
30
10
85
±400
+5
2
–75
–72
–71
–74
–71
–69
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
70
70
70
68
66
65
—
—
—
—
—
—
—
—
–79
–73
–71
–77
–72
–69
75
75
75
73
71
70
150
–82
30
10
85
±400
+5
2
–71
–68
–65
–70
–66
–63
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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
—
—
—
+1.25
±0.4
±0.3
±0.4
—
—
—
–0.95
—
—
—
14
14
±0.75
±0.5
±0.15
±0.1
±0.2
—
—
—
+1.25
±0.4
±0.3
±0.4
—
—
—
–0.95
—
—
—
14
14
±1
±0.5
±0.4
±0.3
±0.4
—
—
—
+1.5
±0.8
±0.6
±1.5
—
Bits
LSB
LSB
%FSR
%FSR
%
Bits
+2.0
—
—
—
10
—
—
—
—
20
—
+0.8
+20
–20
—
+2.0
—
—
—
10
—
—
—
—
20
—
+0.8
+20
–20
—
+2.0
—
—
—
10
—
—
—
—
20
—
+0.8
+20
–20
—
Volts
Volts
µA
µA
ns
MIN.
—
—
—
TYP.
±2
250
6
MAX.
—
—
15
MIN.
—
—
—
0 to +70°C
TYP.
±2
250
6
MAX.
—
—
15
MIN.
—
—
—
–40 to +100°C
TYP.
±2
250
6
MAX.
—
—
15
UNITS
Volts
Ω
pF
2
MURATA-PS [ MURATA POWER SOLUTIONS INC. ]
