ADS-926
®
®
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-926MC, GC
ADS-926MM, 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, 500kHz sampling rate, and a minimum 1 minute warmup unless otherwise specified.)
ANALOG INPUT
Input Voltage Range
Input Resistance
Input Capacitance
MIN.
—
—
—
+25°C
TYP.
±5
1
7
MAX.
—
—
15
0 to +70°C
MIN.
TYP.
MAX.
—
±5
—
—
1
—
—
7
15
–55 to +125°C
MIN.
TYP.
MAX.
—
±5
—
—
1
—
—
7
15
DIGITAL INPUT
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Start Convert Positive Pulse Width
+2.0
—
—
—
—
—
—
—
175
200
—
+2.0
—
—
+2.0
+0.8
—
—
+0.8
—
+20
—
—
+20
—
–20
—
—
–20
—
225
175
200
225
175
—
—
—
+0.8
—
+20
—
–20
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
100kHz to 250kHz
Total Harmonic Distortion (–0.5dB)
dc to 100kHz
100kHz to 250kHz
Signal-to-Noise Ratio
(w/o distortion, –0.5dB)
dc to 100kHz
100kHz to 250kHz
Signal-to-Noise Ratio
(& distortion, –0.5dB)
dc to 100kHz
100kHz to 250kHz
Two-Tone Intermodulation
Distortion (fin = 100kHz,
240kHz, fs = 500kHz, –0.5dB)
Noise
Input Bandwidth (–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Feedthrough Rejection (fin = 250kHz)
Slew Rate
Aperture Delay Time
Aperture Uncertainty
S/H Acquisition Time
(to ±0.003%FSR, 10V step)
Overvoltage Recovery Time
A/D Conversion Rate
—
–92
–88
—
–90
–85
—
–88
–81
—
–90
–85
—
–90
–85
—
–86
–80
—
–90
–86
—
–89
–82
—
–87
–78
—
–87
–82
—
–87
–82
—
–81
–76
78
80
—
78
80
—
74
78
—
78
80
—
78
80
—
74
77
—
77
79
—
77
79
—
74
78
—
77
79
—
77
79
—
73
77
—
—
–87
—
—
300
—
—
–86
—
—
300
—
—
–85
—
—
350
—
—
7
—
—
3
—
—
84
—
—
±40
—
—
±20
—
—
5
—
—
7
—
—
3
—
—
84
—
—
±40
—
—
±20
—
—
5
—
—
7
—
—
3
—
—
84
—
—
±40
—
—
±20
—
—
5
—
1335
1390
1445
1335
1390
1445
1335
1390
1445
—
1400
2000
—
1400
2000
—
1400
2000
500
—
—
500
—
—
500
—
—
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
kHz
2