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參數資料
| 型號： | AD7846 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | LC2MOS 16-Bit Voltage Output DAC |
| 中文描述： | LC2MOS 16位電壓輸出DAC |
| 文件頁數： | 5/16頁 |
| 文件大小： | 615K |
| 代理商： | AD7846 |
AD7846
REV. E
–5–
PIN FUNCTION DESCRIPTION
Pin
Mnemonic
Description
1–3
4
DB2–DB0
V
DD
Data I/O pins. DB0 is LSB.
Positive supply for analog circuitry. This is
+15 V nominal.
DAC output voltage pin.
Input to summing resistor of DAC output
amplifier. This is used to select output
voltage ranges. See Table I.
V
REF+
Input. The DAC is specified for V
REF+
= +5 V.
V
REF–
Input. For unipolar operation con-
nect V
REF–
to 0 V and for bipolar operation
connect it to –5 V. The device is specified
for both conditions.
Negative supply for the analog circuitry.
This is –15 V nominal.
Data I/O pins. DB15 is MSB.
Ground pin for digital circuitry.
Positive supply for digital circuitry. This is
+5 V nominal.
R/
W
input. This can be used to load data to
the DAC or to read back the DAC latch
contents.
Chip select input. This selects the device.
Clear input. The DAC can be cleared to
000 . . . 000 or 100 . . . 000. See Table II.
5
6
V
OUT
R
IN
7
V
REF+
8
V
REF–
9
V
SS
10–19 DB15–DB6
20
DGND
21
V
CC
22
R/
W
23
24
CS
CLR
25
LDAC
Asynchronous load input to DAC.
26–28 DB5–DB3
Data I/O pins.
Table I. Output Voltage Ranges
Output Range
V
REF+
+5 V
+5 V
+5 V
+5 V
+5 V
V
REF–
0 V
0 V
–5 V
0 V
–5 V
R
IN
V
OUT
0 V
V
OUT
+5 V
0 V
0 V to +5 V
0 V to +10 V
+5 V to –5 V
+5 V to –5 V
+10 V to –10 V
PIN CONFIGURATIONS
DIP
TOP VIEW
(Not to Scale)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AD7846
DB11
DB12
DB13
DB14
DB15
V
SS
V
REF
–
DB2
DB1
DB0
V
DD
V
OUT
V
REF+
R
IN
DB10
DB9
DB8
DB7
DB6
DGND
DB3
DB4
DB5
LDAC
R/
W
CS
CLR
V
CC
PLCC
25
24
23
22
21
20
19
5
6
7
8
9
10
11
4 3 2 1 28 27 26
PIN 1
(Not to Scale)
12 13 14 15 16 17 18
D
LDAC
CLR
CS
R/
W
V
CC
DGND
DB6
V
OUT
R
IN
V
REF+
V
REF
–
V
SS
DB15
DB14
V
D
D
D
D
D
D
D
D
D
D
D
D
D
AD7846
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| AD7846AP | LC2MOS 16-Bit Voltage Output DAC |
| AD7846AQ | LC2MOS 16-Bit Voltage Output DAC |
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| AD7846JN | LC2MOS 16-Bit Voltage Output DAC |
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相關代理商/技術參數 |
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| AD7846_10 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS 16-Bit Voltage Output DAC |
| AD7846ACHIPS | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS 16-Bit Voltage Output DAC |
| AD7846AP | 功能描述:IC DAC 16BIT LC2MOS VOUT 28PLCC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 設置時間:1µs 位數:8 數據接口:串行 轉換器數目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD7846APZ | 功能描述:IC DAC 16BIT LC2MOS VOUT 28-PLCC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 設置時間:1µs 位數:8 數據接口:串行 轉換器數目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD7846AQ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:IC,D/A CONVERTER,SINGLE,16-BIT,BICMOS,DIP,28PIN |
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