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參數(shù)資料
| 型號(hào)： | ADS-927GC |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | 14-Bit, 1MHz, Low-Power Sampling A/D Converters |
| 中文描述： | 14位，1MHz的，低功耗采樣A / D轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 150K |
| 代理商： | ADS-927GC |
ADS -927
2
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
LIMITS
UNITS
+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
Volts
Volts
Volts
Volts
Volts
°C
–0.3 to +V
DD
+0.3
±15
+300
PHYSICAL/ENVIRONMENTAL
PARAMETERS
MIN.
TYP.
MAX.
UNITS
Operating Temp. Range, Case
ADS-927MC, GC
ADS-927MM GM 883
Thermal Impedance
θ
j
c
θ
ca
Storage Temperature
Package Type
Weight
0
—
—
+70
+125
°C
°C
–55
6
24
—
°C/Watt
°C/Watt
°C
–65
+150
24-pin, metal-sealed, ceramc DDIP or SMT
0.42 ounces (12 grams)
+25°C
TYP.
0 to +70°C
TYP.
–55 to +125°C
TYP.
ANALOG INPUT
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
UNITS
Input Voltage Range
Input Resistance
Input Capacitance
—
—
—
±5
1
7
—
—
15
—
—
—
±5
1
7
—
—
15
—
—
—
±5
1
7
—
—
15
Volts
k
pF
DIGITAL INPUT
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Start Convert Positive Pulse Width
+2.0
—
—
—
175
—
—
—
—
200
—
+0.8
+20
–20
225
+2.0
—
—
—
175
—
—
—
—
200
—
+0.8
+20
–20
225
+2.0
—
—
—
175
—
—
—
—
200
—
+0.8
+20
–20
225
Volts
Volts
μA
μA
ns
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)
—
—
—
—
—
—
—
14
14
±0.5
±0.5
±0.08
±0.05
±0.05
±0.1
—
—
—
—
—
—
—
—
—
—
14
14
—
—
—
—
—
—
—
—
—
14
14
±1.5
±0.75
±0.3
±0.15
±0.25
±0.25
—
—
—
Bits
LSB
LSB
%FSR
%FSR
%FSR
%
Bits
±0.75
±0.5
±0.15
±0.1
±0.1
±0.15
—
±0.95
±0.15
±0.1
±0.1
±0.15
—
±0.95
±0.25
±0.25
±0.25
±0.25
—
±0.99
±0.5
±0.3
±0.4
±0.4
—
DYNAMIC PERFORMANCE
Peak Harmonics
(–0.5dB)
dc to 100kHz
100kHz to 500kHz
Total Harmonic Distortion
(–0.5dB)
dc to 100kHz
100kHz to 500kHz
Signal-to-Noise Ratio
(w/o distortion, –0.5dB)
dc to 100kHz
100kHz to 500kHz
Signal-to-Noise Ratio
(& distortion, –0.5dB)
dc to 100kHz
100kHz to 500kHz
Two-Tone Intermodulation
Distortion
(f
in
= 100kHz,
240kHz, f
s
= 1MHz, –0.5dB)
Noise
Input Bandwidth
(–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Feedthrough Rejection
(f
in
= 500kHz)
Slew Rate
Aperture Delay Time
Aperture Uncertainty
S/H Acquisition Time
(to ±0.003%FSR, 10V step)
Overvoltage Recovery Time
A/D Conversion Rate
—
—
–91
–82
–83
–78
—
—
–90
–82
—
–78
—
—
–88
–80
—
–77
dB
dB
—
—
–90
–80
–81
–76
—
—
–89
–80
—
–76
—
—
–87
–79
—
–74
dB
dB
77
75
79
78
—
—
74
74
78
78
—
—
73
73
77
76
—
—
dB
dB
76
73
78
76
—
—
73
73
77
76
—
—
71
71
76
75
—
—
dB
dB
—
—
–87
350
—
—
—
—
–86
350
—
—
—
—
–85
350
—
—
dB
μVrms
—
—
—
—
—
—
7
5
84
±60
±20
5
—
—
—
—
—
—
—
—
—
—
—
—
7
5
84
±60
±20
5
—
—
—
—
—
—
—
—
—
—
—
—
7
5
—
—
—
—
—
—
MHz
MHz
dB
V/μs
ns
ps rms
84
±60
±20
5
335
—
1
390
400
—
445
1000
—
335
—
1
390
400
—
445
1000
—
335
—
1
390
400
—
445
1000
—
ns
ns
MHz
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, ±V
CC
= ±15V (or ±12V), +V
DD
= +5V, 1MHz sampling rate, and a mnimum1 mnute warmup
unless otherwise specified.)
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