参数资料
型号: AD678AD
厂商: Analog Devices Inc
文件页数: 7/14页
文件大小: 0K
描述: IC ADC 12BIT SAMPLING 28-CDIP
产品变化通告: Product Discontinuance 27/Oct/2011
标准包装: 1
位数: 12
采样率(每秒): 200k
数据接口: 并联
转换器数目: 2
功率耗散(最大): 745mW
电压电源: 模拟和数字,双 ±
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 28-CDIP(0.605",15.37mm)
供应商设备封装: 28-CDIP
包装: 管件
输入数目和类型: 1 个单端,单极;1 个单端,双极
AD678–SPECIFICATIONS
REV. C
–2–
AC SPECIFICATIONS
AD678J/A/S
AD678K/B/T
Parameter
Min
Typ
Max
Min
Typ
Max
Units
SIGNAL-TO-NOISE AND DISTORTION (S/N+D) RATIO
2
–0.5 dB Input (Referred to –0 dB Input)
70
71
73
dB
–20 dB Input (Referred to –20 dB Input)
51
53
dB
–60 dB Input (Referred to –60 dB Input)
11
13
dB
TOTAL HARMONIC DISTORTION (THD)
3
–88
–80
–88
–80
dB
0.004
0.010
0.004
0.010
%
PEAK SPURIOUS OR PEAK HARMONIC COMPONENT
–87
–80
–87
–80
dB
FULL POWER BANDWIDTH
1
MHz
FULL LINEAR BANDWIDTH
500
kHz
INTERMODULATION DISTORTION (IMD)
4
2nd Order Products
–85
–80
–85
–80
dB
3rd Order Products
–90
–80
–90
–80
dB
NOTES
1f
IN amplitude = –0.5 dB (9.44 V p-p) bipolar mode full scale unless otherwise indicated. All measurements referred to a –0 dB (9.997 V p-p) input signal unless
otherwise indicated.
2See Figures 13 and 14 for higher frequencies and other input amplitudes.
3See Figure 12.
4f
A = 9.08 kHz, fB = 9.58 kHz, with fSAMPLE = 200 kSPS. See Definition of Specifications section and Figure 16.
Specifications subject to change without notice.
DIGITAL SPECIFICATIONS
Parameter
Test Conditions
Min
Max
Units
LOGIC INPUTS
VIH
High Level Input Voltage
2.0
VDD
V
VIL
Low Level Input Voltage
0
0.8
V
IIH
High Level Input Current
VIN = VDD
–10
+10
A
IIL
Low Level Input Current
VIN = 0 V
–10
+10
A
CIN
Input Capacitance
10
pF
LOGIC OUTPUTS
VOH
High Level Output Voltage
IOH = 0.1 mA
4.0
V
IOH = 0.5 mA
2.4
V
VOL
Low Level Output Voltage
IOL = 1.6 mA
0.4
V
IOZ
High Z Leakage Current
VIN = 0 or VDD
–10
+10
A
COZ
High Z Output Capacitance
10
pF
Specifications subject to change without notice.
(TMIN to TMAX, VCC = +12 V
5%, VEE = –12 V
5%, VDD = +5 V
10%, fSAMPLE = 200 kSPS,
flN = 10.06 kHz unless otherwise noted)
1
(All device types TMIN to TMAX, VCC = +12 V
5%, VEE = –12 V
5%, VDD = +5 V
10%)
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