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參數資料
| 型號： | AD7886JD |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | LC2MOS 12-Bit, 750 kHz/1 MHz, Sampling ADC |
| 中文描述： | 1-CH 12-BIT FLASH METHOD ADC, PARALLEL ACCESS, CDIP28 |
| 封裝： | SIDE BRAZED, CERAMIC, DIP-28 |
| 文件頁數： | 4/16頁 |
| 文件大小： | 400K |
| 代理商： | AD7886JD |
AD7886
–4–
REV. B
ORDERING GUIDE
Integral
Nonlinearity
(LSBs)
Temperature
Range
SNR
(dBs)
Package
Option
3
Model
1, 2
AD7886JD
AD7886KD
AD7886JP
AD7886KP
AD7886BD
AD7886TD
0
°
C to +70
°
C
0
°
C to +70
°
C
0
°
C to +70
°
C
0
°
C to +70
°
C
–40
°
C to +85
°
C
–55
°
C to +125
°
C
65
67
65
67
67
65
D-28
D-28
P-28A
2
P-28A
2
D-28
D-28
±
2.0
±
2.0
±
2.0
±
2.0
NOTES
1Contact your sales office for availability of AD7886BD, AD7886TD and 1 MHz version.
2
Analog Devices reserves the right to ship J-Leaded Ceramic Chip Carrier (JLCCC) in lieu of PLCC packages.
3
D = Ceramic DIP; P = Plastic Leaded Chip Carrier.
PIN FUNCTION DESCRIPTION
DIP Pin
Number
Mnemonic
Description
Power Supply
10 & 19
15 & 24
16 & 23
5
V
DD
V
SS
AGND
DGND
Positive Power Supply, +5 V
±
5%. Both V
DD
pins must be tied together.
Negative Power Supply, –5 V
±
5%. Both V
SS
pins must be tied together.
Analog Ground. Both AGND pins must be tied together.
Digital Ground.
Analog and Reference Inputs
17 & 18
VIN
Analog Inputs, VIN1 and VIN2. The part can be pin strapped for any one of three analog input ranges;
Range
Pin Strap
Signal Input
0 V to 5 V
0 V to 10 V
±
5 V
Connect VIN2 to VIN1
Connect VIN2 to GND
Connect VIN2 to +5 V
VIN1 & VIN2
VIN1
VIN1
20
+5REF
+5 V Reference input. This input is used in conjunction with SUM and V
REF
inputs to scale an external
+5 V reference to –3.5 V, the required reference for the part (see Figure 2).
Summing Point. This input is used in conjunction with +5REF and V
REF
inputs to scale an external
+5 V reference to –3.5 V, the required reference for the part (see Figure 2).
Voltage Reference Input. The AD7886 is specified with V
REF
= –3.5 V.
21
SUM
22
V
REF
Interface and Control
1–4,
6–9,
25–28
11
12
13
DB7–DB4
DB3–DB0
DB11–DB8
BUSY
CS
RD
Three-state data outputs.
These outputs are controlled by
CS
and
RD
. DB11 is the Most Significant Bit (MSB).
BUSY
Output indicates converter status.
BUSY
is low during conversion.
Chip Select Input. The device is selected when this input is low.
Read Input. This active low signal, in conjunction with
CS
, is used to enable the output data three-state
drivers.
Conversion Start Input. This input is used to start conversion.
14
CONVST
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| AD7886JP | 功能描述:IC ADC 12BIT SAMPLING HS 28-PLCC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD7886JP-REEL | 功能描述:IC ADC 12BIT SAMPLING HS 28-PLCC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD7886KP-REEL | 制造商:Analog Devices 功能描述: |
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| AD7887ARM | 功能描述:IC ADC 12BIT 2CH SRL 8-MSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端，單極 |
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