參數(shù)資料
型號(hào)： AD9235BRUZRL7-65
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 39/40頁(yè)
文件大?。?/td> 0K
描述： IC ADC 12BIT SGL 65MSPS 28TSSOP
標(biāo)準(zhǔn)包裝： 1,000
位數(shù)： 12
采樣率（每秒）： 65M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 3
功率耗散（最大）： 300mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類(lèi)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(lèi)型： 2 個(gè)單端，單極；1 個(gè)差分，單極
AD9235
Data Sheet
Rev. D | Page 8 of 40
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AD9235
TOP VIEW
(Not to Scale)
MODE
SENSE
VREF
AVDD
REFT
REFB
OTR
D10
D9
D8
D7
DGND
DRVDD
AGND
VIN+
VIN–
PDWN
AVDD
AGND
D6
D5
D4
D0 (LSB)
CLK
D1
D2
D3
D11 (MSB)
02461-003
Figure 3. 28-Lead TSSOP Pin Configuration
02461-
004
NOTES
1. DNC = DO NOT CONNECT.
2. IT IS RECOMMENDED THAT THE EXPOSED PADDLE
BE SOLDERED TO THE GROUND PLANE.
AV
DD
RE
F
B
RE
F
T
AV
DD
AG
ND
V
IN+
V
IN–
AG
ND
D8
D9
D10
D11 (MSB)
OTR
MODE
SENSE
VREF
D7
DG
ND
DRV
DD
D6
D5
D4
D3
D2
D1
D0 (LSB)
DNC
PDWN
DNC
CLK
DNC
AD9235
TOP VIEW
(Not to Scale)
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
Figure 4. 32-Lead LFCSP Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
28-Lead TSSOP
Pin No.
32-Lead LFCSP
Mnemonic
Description
1
21
OTR
Out-of-Range Indicator.
2
22
MODE
Data Format and Clock Duty Cycle Stabilizer (DCS) Mode Selection.
3
23
SENSE
Reference Mode Selection.
4
24
VREF
Voltage Reference Input/Output.
5
25
REFB
Differential Reference ().
6
26
REFT
Differential Reference (+).
7, 12
27, 32
AVDD
Analog Power Supply.
8, 11
28, 31
AGND
Analog Ground.
9
29
VIN+
Analog Input Pin (+).
10
30
VIN–
Analog Input Pin ().
13
2
CLK
Clock Input Pin.
14
4
PDWN
Power-Down Function Selection (Active High).
15 to 22, 25 to 28
7 to 14, 17 to 20
D0 (LSB) to D11 (MSB)
Data Output Bits.
23
15
DGND
Digital Output Ground.
24
16
DRVDD
Digital Output Driver Supply. Must be decoupled to DGND with a minimum.
0.1 F capacitor. Recommended decoupling is 0.1 F in parallel with 10 F.
1, 3, 5, 6
DNC
Do Not Connect.
EP
EPAD
Exposed Pad. It is recommended that the exposed paddle be soldered to the
ground plane. There is an increased reliability of the solder joints and maxi-
mum thermal capability of the package is achieved with exposed paddle
soldered to the customer board.
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