ADS-927
®
®
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
LIMITS
+12V/+15V Supply (Pin 22)
–12V/–15V Supply (pin 24)
+5V Supply (Pin 13)
Digital Input (Pin 16)
Analog Input (Pin 20)
Lead Temperature (10 seconds)
0 to +16
0 to –16
0 to +6
–0.3 to +VDD +0.3
±15
+300
UNITS
Volts
Volts
Volts
Volts
Volts
°C
PHYSICAL/ENVIRONMENTAL
PARAMETERS
MIN. TYP. MAX. UNITS
Operating Temp. Range, Case
ADS-927MC, GC
ADS-927MM, GM, 883
Thermal Impedance
θjc
θca
Storage Temperature
Package Type
Weight
0
—
+70
°C
–55
—
+125
°C
6
°C/Watt
24
°C/Watt
–65
—
+150
°C
24-pin, metal-sealed, ceramic DDIP or SMT
0.42 ounces (12 grams)
FUNCTIONAL SPECIFICATIONS
(TA = +25°C, ±VCC = ±15V (or ±12V), +VDD = +5V, 1MHz sampling rate, and a minimum 1 minute warmup unless otherwise specified.)
ANALOG INPUT
MIN.
+25°C
TYP.
MAX.
0 to +70°C
MIN.
TYP.
MAX.
–55 to +125°C
MIN.
TYP. MAX.
Input Voltage Range
Input Resistance
Input Capacitance
—
±5
—
—
±5
—
—
±5
—
—
1
—
—
1
—
—
1
—
—
7
15
—
7
15
—
7
15
DIGITAL INPUT
Logic Levels
Logic "1"
+2.0
—
—
+2.0
—
—
+2.0
—
—
Logic "0"
—
—
+0.8
—
—
+0.8
—
—
+0.8
Logic Loading "1"
—
—
+20
—
—
+20
—
—
+20
Logic Loading "0"
—
—
–20
—
—
–20
—
—
–20
Start Convert Positive Pulse Width
175
200
225
175
200
225
175
200
225
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)
—
14
—
—
14
—
—
14
—
—
±0.5
—
—
±0.75
—
—
±1.5
—
—
±0.5
±0.95
—
±0.5
±0.95
—
±0.75
±0.99
—
±0.08
±0.15
—
±0.15
±0.25
—
±0.3
±0.5
—
±0.05
±0.1
—
±0.1
±0.25
—
±0.15
±0.3
—
±0.05
±0.1
—
±0.1
±0.25
—
±0.25
±0.4
—
±0.1
±0.15
—
±0.15
±0.25
—
±0.25
±0.4
14
—
—
14
—
—
14
—
—
DYNAMIC PERFORMANCE
Peak Harmonics (–0.5dB)
dc to 100kHz
—
–91
–83
—
–90
—
—
–88
—
100kHz to 500kHz
—
–82
–78
—
–82
–78
—
–80
–77
Total Harmonic Distortion (–0.5dB)
dc to 100kHz
—
–90
–81
—
–89
—
—
–87
—
100kHz to 500kHz
—
–80
–76
—
–80
–76
—
–79
–74
Signal-to-Noise Ratio
(w/o distortion, –0.5dB)
dc to 100kHz
77
79
—
74
78
—
73
77
—
100kHz to 500kHz
75
78
—
74
78
—
73
76
—
Signal-to-Noise Ratio
(& distortion, –0.5dB)
dc to 100kHz
76
78
—
73
77
—
71
76
—
100kHz to 500kHz
73
76
—
73
76
—
71
75
—
Two-Tone Intermodulation
Distortion (fin = 100kHz,
240kHz, fs = 1MHz, –0.5dB)
—
–87
—
—
–86
—
—
–85
—
Noise
—
350
—
—
350
—
—
350
—
Input Bandwidth (–3dB)
Small Signal (–20dB input)
—
7
—
—
7
—
—
7
—
Large Signal (–0.5dB input)
—
5
—
—
5
—
—
5
—
Feedthrough Rejection (fin = 500kHz)
—
84
—
—
84
—
—
84
—
Slew Rate
—
±60
—
—
±60
—
—
±60
—
Aperture Delay Time
—
±20
—
—
±20
—
—
±20
—
Aperture Uncertainty
—
5
—
—
5
—
—
5
—
S/H Acquisition Time
(to ±0.003%FSR, 10V step)
335
390
445
335
390
445
335
390
445
Overvoltage Recovery Time
—
400
1000
—
400
1000
—
400
1000
A/D Conversion Rate
1
—
—
1
—
—
1
—
—
UNITS
Volts
kΩ
pF
Volts
Volts
µA
µA
ns
Bits
LSB
LSB
%FSR
%FSR
%FSR
%
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
µVrms
MHz
MHz
dB
V/µs
ns
ps rms
ns
ns
MHz
2