参数资料
型号: AD9219ABCPZ-40
厂商: Analog Devices Inc
文件页数: 19/56页
文件大小: 0K
描述: IC ADC 10BIT SRL 40MSPS 64LFCSP
标准包装: 1
位数: 10
采样率(每秒): 40M
数据接口: 串行,SPI?
转换器数目: 4
功率耗散(最大): 313mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘,CSP
供应商设备封装: 48-LFCSP-VQ(7x7)
包装: 托盘
输入数目和类型: 8 个单端,单极;4 个差分,单极
AD9219
Data Sheet
Rev. E | Page 26 of 56
100
50
0
–100ps
0ps
100ps
T
IE
JI
T
E
R
HI
S
T
O
G
RAM
(
H
it
s)
500
–500
0
–1ns
–0.5ns
0ns
0.5ns
1ns
E
Y
E
DI
AG
RAM
V
O
L
T
AG
E
(
V
)
EYE: ALL BITS
ULS: 10000/15600
0
57
2
6-
04
3
Figure 61. Data Eye for LVDS Outputs in ANSI-644 Mode with Trace Lengths
Less than 24 Inches on Standard FR-4, External 100 Ω Far Termination Only
200
–200
0
–1ns
–0.5ns
0ns
0.5ns
1ns
EYE
D
IA
G
R
A
M
V
O
L
T
A
G
E
(
V)
EYE: ALL BITS
ULS: 9600/15600
100
50
0
–150ps –100ps
–50ps
0ps
50ps
100ps
150ps
TI
E
J
ITTER
H
ISTO
G
R
A
M
(
H
it
s)
0
57
26-
04
4
Figure 62. Data Eye for LVDS Outputs in ANSI-644 Mode with Trace Lengths
Greater than 24 Inches on Standard FR-4, External 100 Ω Far Termination Only
100
50
0
–150ps –100ps
–50ps
0ps
50ps
100ps
150ps
TI
E
J
IT
T
ER
H
ISTO
G
R
A
M
(H
it
s)
200
400
–200
–400
0
–1ns
–0.5ns
0ns
0.5ns
1ns
E
Y
E
DI
AG
RAM
V
O
L
T
AG
E
(
V
)
EYE: ALL BITS
ULS: 9599/15599
05
72
6-
0
42
Figure 63. Data Eye for LVDS Outputs in ANSI-644 Mode with 100 Ω Internal
Termination on and Trace Lengths Greater than 24 Inches on Standard FR-4,
External 100 Ω Far Termination Only
The format of the output data is offset binary by default. An
example of the output coding format can be found in Table 8.
To change the output data format to twos complement, see the
Memory Map section.
Table 8. Digital Output Coding
Code
(VIN + x) (VIN x),
Input Span = 2 V p-p (V)
Digital Output Offset Binary
(D9 ... D0)
1023
+1.00
1111 1111 11
512
0.00
1000 0000 00
511
0.001953
0111 1111 11
0
1.00
0000 0000 00
Data from each ADC is serialized and provided on a separate
channel. The data rate for each serial stream is equal to 10 bits
times the sample clock rate, with a maximum of 650 Mbps
(10 bits × 65 MSPS = 650 Mbps). The lowest typical conversion
rate is 10 MSPS. However, if lower sample rates are required for
a specific application, the PLL can be set up via the SPI to allow
encode rates as low as 5 MSPS. See the Memory Map section for
details on enabling this feature.
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