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參數(shù)資料
| 型號： | AD7621ACPZRL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 31/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT 2MSPS DIFF 48LFCSP |
| 標準包裝： | 2,500 |
| 系列： | PulSAR® |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 2M |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 86mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-VFQFN 裸露焊盤，CSP |
| 供應商設備封裝： | 48-LFCSP-VQ（7x7） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
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AD7621
Rev. 0 | Page 8 of 32
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44
39 38 37
43 42 41 40
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
AGND
CNVST
PD
RESET
CS
RD
DGND
AGND
AVDD
NC
BYTESWAP
OB/2C
NC = NO CONNECT
SER/PAR
D0
D1
D2/DIVSCLK[0]
BUSY
D15
D14
D13
AD7621
D3/DIVSCLK[1]
D12
D4/EXT/INT
D
5
/IN
VSYN
C
D6/INVSCLK
D7
/RDC/S
D
IN
OGND
OVDD
DV
DD
DGND
D8
/S
DOUT
D9
/S
CLK
D
10/SYN
C
D1
1
/RDE
RROR
P
DBUF
P
DRE
F
RE
FBUFIN
TEMP
AV
DD
IN+
AGND
NC
IN–
RE
FGND
RE
F
IMPULSE
WARP
04565-004
Figure 4. Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Mnemonic
Type1
Description
1, 41, 42
AGND
P
Analog Power Ground Pin.
2, 44
AVDD
P
Input Analog Power Pins. Nominally 2.5 V.
3, 40
NC
No Connect.
4
BYTESWAP
DI
Parallel Mode Selection (8-Bit/16-Bit). When high, the LSB is output on D[15:8] and the MSB is output
on D[7:0]; when low, the LSB is output on D[7:0] and the MSB is output on D[15:8].
5
OB/2C
DI
Straight Binary/Binary Twos Complement Output. When high, the digital output is straight binary;
when low, the MSB is inverted resulting in a twos complement output from its internal shift register.
6
WARP
DI
Conversion Mode Selection. When WARP = high and IMPULSE = high, this selects wideband mode
with slightly improved linearity and THD. When WARP = high and IMPULSE = low, this selects warp
mode. In either mode, these are the fastest modes; maximum throughput is achievable, and a
minimum conversion rate must be applied in order to guarantee full specified accuracy.
When WARP = low and IMPULSE = low, this input selects normal mode where full accuracy is
maintained independent of the minimum conversion rate.
7
IMPULSE
DI
Conversion Mode Selection. When IMPULSE = high and WARP = low, this input selects impulse mode,
a reduced power mode. In this mode, the power dissipation is approximately proportional to the
sampling rate.
8
SER/PAR
DI
Serial/Parallel Selection Input. When high, the serial interface is selected and some bits of the data bus
are used as a serial port; the remaining data bits are high impedance outputs. When SER/PAR = low,
the parallel port is selected.
9, 10
D[0:1]
DO
Bit 0 and Bit 1 of the Parallel Port Data Output Bus.
11, 12
D[2:3]
DI/O
When SER/PAR = low, these outputs are used as Bit 2 and Bit 3 of the parallel port data output bus.
or
DIVSCLK[0:1]
When SER/PAR = high, serial clock division selection. When using serial master read after convert
mode (EXT/INT = low, RDC/SDIN = low) these inputs can be used to slow down the internally
generated serial clock that clocks the data output. In other serial modes, these pins are high
impedance outputs.
13
D4
DI/O
When SER/PAR = low, this output is used as Bit 4 of the parallel port data output bus.
or EXT/INT
When SER/PAR = high, serial clock source select. This input is used to select the internally generated
(master ) or external (slave) serial data clock.
When EXT/INT = low: master mode. The internal serial clock is selected on SCLK output.
When EXT/INT = high: slave mode. The output data is synchronized to an external clock signal, gated
by CS, connected to the SCLK input.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD7621ACPZRL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 2 LSB INL, 3 MSPS PulSAR?? ADC |
| AD7621AST | 制造商:Analog Devices 功能描述:ADC Single SAR 3Msps 16-bit Parallel/Serial 48-Pin LQFP 制造商:Analog Devices 功能描述:IC 16-BIT ADC |
| AD7621ASTRL | 制造商:Analog Devices 功能描述:ADC Single SAR 3Msps 16-bit Parallel/Serial 48-Pin LQFP T/R |
| AD7621ASTZ | 功能描述:IC ADC 16BIT 2MSPS DIFF 48-LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標準包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7621ASTZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 2 LSB INL, 3 MSPS PulSAR?? ADC |
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