參數(shù)資料
型號(hào): AD9235BRUZRL7-20
廠商: Analog Devices Inc
文件頁(yè)數(shù): 13/40頁(yè)
文件大小: 0K
描述: IC ADC 12BIT SGL 20MSPS 28TSSOP
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 12
采樣率(每秒): 20M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 3
功率耗散(最大): 90mW
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-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個(gè)單端,單極;1 個(gè)差分,單極
AD9235
Data Sheet
Rev. D | Page 20 of 40
LFCSP EVALUATION BOARD
The typical bench setup used to evaluate the ac performance
of the AD9235 is similar to the TSSOP Evaluation Board
connections (refer to the schematics for connection details).
The AD9235 can be driven single-ended or differentially
through a transformer. Separate power pins are provided to
isolate the DUT from the support circuitry. Each input
configuration can be selected by proper connection of
various jumpers (refer to the schematics).
An alternative differential analog input path using an AD8351
op amp is included in the layout but is not populated in produc-
tion. Designers interested in evaluating the op amp with the
ADC should remove C15, R12, and R3 and populate the op amp
circuit. The passive network between the AD8351 outputs and
the AD9235 allows the user to optimize the frequency response
of the op amp for the application.
DATA
CAPTURE
AND
PROCESSING
3V
+
3V
+
3V
+
3V
+
REFIN
10MHz
REFOUT
HP8644, 2V p-p
SIGNAL SYNTHESIZER
HP8644, 2V p-p
CLOCK SYNTHESIZER
BAND-PASS
FILTER
S4
XFMR
INPUT
S1
CLOCK
AVDD
DUT
AVDD
GND
GND DUT
DRVDD
DVDD
AD9235
TSSOP EVALUATION BOARD
J1
CLOCK
DIVIDER
02461-043
Figure 43. TSSOP Evaluation Board Connections
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