fINPUT
參數(shù)資料
型號(hào): AD9225AR
廠商: Analog Devices Inc
文件頁(yè)數(shù): 19/25頁(yè)
文件大小: 0K
描述: IC ADC 12BIT 25MSPS 28-SOIC
標(biāo)準(zhǔn)包裝: 27
位數(shù): 12
采樣率(每秒): 25M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 7
功率耗散(最大): 373mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC W
包裝: 管件
輸入數(shù)目和類型: 2 個(gè)單端,雙極;1 個(gè)差分,單極
AD9225
–3–
Parameter
Min
Typ
Max
Unit
SIGNAL-TO-NOISE AND DISTORTION RATIO (S/N+D)
fINPUT = 2.5 MHz
67.4
70.7
dB
fINPUT = 10 MHz
66.7
69.6
dB
SIGNAL-TO-NOISE RATIO (SNR)
fINPUT = 2.5 MHz
69.0
71
dB
fINPUT = 10 MHz
68.2
70
dB
TOTAL HARMONIC DISTORTION (THD)
fINPUT = 2.5 MHz
–82
–72
dB
fINPUT = 10 MHz
–81
–71.5
dB
SPURIOUS FREE DYNAMIC RANGE
fINPUT = 2.5 MHz
73
–85
dB
fINPUT = 10 MHz
72.5
–83
dB
Full Power Bandwidth
105
MHz
Small Signal Bandwidth
105
MHz
Aperture Delay
1
ns
Aperture Jitter
1
ps rms
Acquisition to Full-Scale Step
10
ns
Specifications subject to change without notice.
SWITCHING SPECIFICATIONS (T
MIN to TMAX with AVDD = 5 V, DRVDD = 5 V, CL = 20 pF)
Parameter
Symbol
Min
Typ
Max
Unit
Clock Period
*
tC
40
ns
CLOCK Pulse Width High
tCH
18
ns
CLOCK Pulse Width Low
tCL
18
ns
Output Delay
tOD
13
ns
Pipeline Delay (Latency)
3
Clock Cycles
*The clock period may be extended to 1 ms without degradation in specified performance @ 25
∞C.
Specifications subject to change without notice.
AC SPECIFICATIONS
(AVDD = 5 V, DRVDD = 5 V, fSAMPLE = 25 MSPS, VREF = 2.0 V, TMIN to TMAX, Differential Input unless
otherwise noted.)
DIGITAL SPECIFICATIONS (AVDD = 5 V, DRVDD = 5 V, unless otherwise noted.)
Parameter
Symbol
Min
Typ
Max
Unit
LOGIC INPUTS
High Level Input Voltage
VIH
3.5
V
Low Level Input Voltage
VIL
1.0
V
High Level Input Current (VIN = DRVDD)
IIH
–10
+10
mA
Low Level Input Current (VIN = 0 V)
IIL
–10
+10
mA
Input Capacitance
CIN
5pF
LOGIC OUTPUTS
High Level Output Voltage (IOH = 50
mA)
VOH
4.5
V
High Level Output Voltage (IOH = 0.5 mA)
VOH
2.4
V
Low Level Output Voltage (IOL = 1.6 mA)
VOL
0.4
V
Low Level Output Voltage (IOL = 50
mA)
VOL
0.1
V
Output Capacitance
COUT
5pF
LOGIC OUTPUTS (with DRVDD = 3 V)
High Level Output Voltage (IOH = 50
mA)
VOH
2.95
V
High Level Output Voltage (IOH = 0.5 mA)
VOH
2.80
V
Low Level Output Voltage (IOL = 1.6 mA)
VOL
0.4
V
Low Level Output Voltage (IOL = 50
mA)
VOL
0.05
V
Specifications subject to change without notice.
Rev. C
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