参数资料
型号: AD1671JQ
厂商: Analog Devices Inc
文件页数: 9/16页
文件大小: 0K
描述: IC ADC SNGL 12BIT 28-CDIP
标准包装: 1
位数: 12
采样率(每秒): 1.25M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 750mW
电压电源: 模拟和数字,双 ±
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 28-CDIP(0.600",15.24mm)
供应商设备封装: 28-CDIP
包装: 管件
输入数目和类型: 2 个单端,双极;2 个单端,单极
DC SPECIFICATIONS
AD1671J/A/S
AD1671K
Parameter
Min
Typ
Max
Min
Typ
Max
Units
RESOLUTION
12
Bits
CONVERSION TIME
800
ns
ACCURACY
Integral Nonlinearity (INL)
±1.5
±2.5
±0.7
±2.5
LSB
(S Grade)
±3.0
Differential Nonlinearity (DNL)
11
12
Bits
No Missing Codes
11 Bits Guaranteed
12 Bits Guaranteed
Unipolar Offsets
1 (+25
°C)
±9
LSB
Bipolar Zero
1 (+25
°C)
±10
LSB
Gain Error
1, 2 (+25
°C)
0.1
0.35
0.1
0.35
% FSR
TEMPERATURE COEFFICIENTS
3
Unipolar Offset
±25
ppm/
°C
(S Grade)
±25
Bipolar Zero
±25
ppm/
°C
(S Grade)
±30
Gain Error
3
±30
ppm/
°C
(S Grade)
±40
Gain Error
4
±20
ppm/
°C
POWER SUPPLY REJECTION
5
VCC (+5 V ± 0.25 V)
±4
LSB
(S Grade)
±5
VLOGIC (+5 V ± 0.25 V)
±4
LSB
(S Grade)
±5
VEE (–5 V ± 0.25 V)
±4
LSB
(S Grade)
±5
ANALOG INPUT
Input Ranges
Bipolar
–2.5
+2.5
–2.5
+2.5
Volts
–5.0
+5.0
–5.0
+5.0
Volts
Unipolar
0
+2.5
0
+2.5
Volts
0
+5.0
0
+5.0
Volts
Input Resistance
(0 V to +2.5 V or
±2.5 V Range)
10
M
(0 V to +5.0 V or
±5 V Range)
8
10
12
8
10
12
k
Input Capacitance
10
pF
Aperture Delay
15
ns
Aperture Jitter
20
ps
INTERNAL VOLTAGE REFERENCE
Output Voltage
2.475
2.5
2.525
2.475
2.5
2.525
Volts
Output Current
Unipolar Mode
+2.5
mA
Bipolar Mode
+1.0
mA
LOGIC INPUTS
High Level Input Voltage, VIH
2.0
Volts
Low Level Input Voltage, VIL
0.8
Volts
High Level Input Current, IIH (VIN = VLOGIC)
–10
+10
–10
+10
A
Low Level Input Current, ILL (VIN = 0 V)
–10
+10
–10
+10
A
Input Capacitance, CIN
55
pF
LOGIC OUTPUTS
High Level Output Voltage, VOH (IOH = 0.5 mA)
2.4
Volts
Low Level Output Voltage, VOL (IOL = 1.6 mA)
0.4
Volts
POWER SUPPLIES
Operating Voltages
VCC
+4.75
+5.25
+4.75
+5.25
Volts
VLOGIC
+4.5
+5.5
+4.5
+5.5
Volts
VEE
–4.75
–5.25
–4.75
–5.25
Volts
Operating Current
ICC
55
68
55
68
mA
ILOGIC
6
35
3
5
mA
IEE
–55
–68
–55
–68
mA
POWER CONSUMPTION
570
750
570
750
mW
TEMPERATURE RANGE (SPECIFIED)
J/K
0
+70
0
+70
°C
A
–40
+85
–40
+85
°C
S
–55
+125
–55
+125
°C
NOTES
1Adjustable to zero with external potentiometers.
2Includes internal voltage reference error.
3+25
°C to T
MIN and +25°C to TMAX
4Excludes internal reference drift.
5Change in gain error as a function of the dc supply voltage.
6Tested under static conditions. See Figure 15 for typical curve of I
LOGIC vs. load capacitance at maximum tC.
Specifications subject to change without notice.
(TMIN to TMAX with VCC = +5 V
5%, VLOGIC = +5 V
10%, VEE = –5 V
5%, unless otherwise noted)
AD1671–SPECIFICATIONS
REV. B
–2–
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