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參數(shù)資料
| 型號： | SPT7721SIT |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 8-BIT, 250 MSPS ADC WITH DEMUXED OUTPUTS |
| 中文描述： | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP44 |
| 封裝： | TQFP-44 |
| 文件頁數(shù)： | 11/11頁 |
| 文件大?。?/td> | 103K |
| 代理商： | SPT7721SIT |
11
11/8/01
SPT7721
PIN ASSIGNMENTS
/
3
1
2
/
///
/
/
/
/
/
/
/
/
3
1
2
3
3/
3
33
3
3
3
3
3
3
1
1
1
1
1
$%
..-
$%
#
2
46
1
3
4
#
$
4
/
3
1
46
2
$%
$%
#
#.
(
!
$
$
-/
-#(.A
11-F7
/
#,-
#.
/
(
$
$
..-
#,-
DB
0
–
DB
7
Data output; Bank B. 3 V / 5 V LVCMOS
compatible.
Non-Inverted data output clock. 3 V / 5 V
LVCMOS compatible.
Inverted data output clock. 3 V / 5 V LVCMOS
compatible.
Non-Inverted clock input pin; 100k pulldown to
AGND, internally
Inverted clock input pin; 17.5k pullup to V
CC
and
7.5k pulldown to AGND, internally
RESET synchronizes the data sampling and data
output bank relationship when in Dual Channel
Mode (DMODE
1
= 0); 100k pulldown to AGND,
internally
Inverted RESET input pin; 17.5k pullup to V
CC
and 7.5k pulldown to AGND, internally
Internally:
100k pulldown to AGND on DMODE1
50k pullup to V
CC
on DMODE2
Data Output Mode pins:
DMODE
1
= 0, DMODE
2
= 0: Parallel Dual
Channel Output
DMODE
1
= 0, DMODE
2
= 1: Interleaved Dual
Channel Output
DMODE
1
= 1, DMODE
2
= X: Single Channel
Data Output on Bank A (125 MSPS max)
Power Down pin; PD = 1 for power-down mode.
Outputs set to high impedance in power-down
mode; 100k pulldown to AGND, internally
2.5 V Common Mode Voltage Reference Output
+5 V Analog Supply
+3 V / +5 V Digital Output Supply
Analog Ground
Digital Ground
DCLK
OUT
DCLK
OUT
CLK
CLK
RESET
RESET
DMODE
1,2
PD
V
CM
AV
CC
OV
DD
AGND
DGND
ORDERING INFORMATION
PART NUMBER
SPT7721SIT
TEMPERATURE RANGE
–
40 to +85
°
C
PACKAGE
44L TQFP
LIFE SUPPORT POLICY
FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS
WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems which, (a) are
intended for surgical implant into the body, or (b) support or sustain life,
and whose failure to perform, when properly used in accordance with
instructions for use provided in the labeling, can be reasonably
expected to result in a significant injury to the user.
2. A critical component is any component of a life support device or
system whose failure to perform can be reasonably expected to cause
the failure of the life support device or system, or to affect its safety or
effectiveness.
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO
IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR
USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR
THE RIGHTS OF OTHERS.
www.fairchildsemi.com
Copyright 2002 Fairchild Semiconductor Corporation
PIN FUNCTIONS
Pin Name
V
IN
+
Description
Non-Inverted Analog Input; nominally 1 V
P-P
;
100k pullup to V
CC
and 100k pulldown to AGND,
internally
Inverted Analog Input; nominally 1 V
P-P
; 100k
pullup to V
CC
and 100k pulldown to AGND,
internally
Data output; Bank A. 3 V / 5 V LVCMOS
compatible.
V
IN
–
DA
0
–
DA
7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SPT7721SIT_Q | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-BIT 250 MSPS ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| SPT7721SITX | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| SPT7722 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:8-bit, 250 MSPS A/D Converter with Demuxed Outputs |
| SPT7722SIT | 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 8 Bit 250 MSPS ADC RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
| SPT7722SIT_Q | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8 BIT_ 250 MSPS ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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