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| 型號： | AD5547BRUZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 17/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 16BIT DUAL 38-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 設(shè)計資源： | Precision, Unipolar, Inverting Conversion Using AD5547/57 DAC (CN0026) Precision, Unipolar, Noninverting Configuration for the AD5547/57 DAC (CN0027) Precision, Bipolar, Configuration for AD5547/AD5557 DAC (CN0028) |
| 標準包裝： | 50 |
| 設(shè)置時間： | 500ns |
| 位數(shù)： | 16 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 55µW |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 38-TFSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 38-TSSOP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 2 電流，單極；2 電流，雙極 |
| 采樣率（每秒）： | 2M |
| 產(chǎn)品目錄頁面： | 783 (CN2011-ZH PDF) |
AD5547/AD5557
Data Sheet
Rev. D | Page 6 of 20
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
AD5547
TOP VIEW
(Not to Scale)
D1
1
D0
2
ROFSA 3
RFBA 4
R1A 5
VREFA 7
IOUTA 8
AGNDA 9
DGND 10
AGNDA 11
IOUTB 12
VREFB 13
RCOMB 14
R1B 15
RFBB 16
ROFSB 17
18
A0 19
D2
38
D3
37
D4
36
D5
35
D6
34
D7
33
D8
32
D9
31
D10
30
VDD
29
D11
28
D12
27
D13
26
D14
25
D15
24
23
MSB
22
LDAC
21
A1
20
RCOMA 6
WR
RS
04452-
003
Figure 4. AD5547 Pin Configuration
Table 3. AD5547 Pin Function Descriptions
Pin No.
Mnemonic
Function
1, 2, 24 to
28, 30 to
38
D0 to D15
Digital Input Data Bits D0 to D15. Signal level must be ≤ V
DD + 0.3 V.
3
R
OFSA
Bipolar Offset Resistor A. Accepts up to ±18 V. In 2-quadrant mode, R
OFSA ties to RFBA. In 4-quadrant mode, ROFSA
ties to R
1A and the external reference.
4
R
FBA
Internal Matching Feedback Resistor A. Connects to the external op amp for I-to-V conversion.
5
R
1A
4-Quandrant Resistor. In 2-quadrant mode, R
1A shorts to the VREFA pin. In 4-quadrant mode, R1A ties to ROFSA. Do
not connect when operating in unipolar mode.
6
R
COMA
Center Tap Point of the Two 4-Quadrant Resistors, R
1A and R2A. In 4-quadrant mode, RCOMA ties to the inverting
node of the reference amplifier. In 2-quadrant mode, R
COMA shorts to the associated VREFA pin. Do not connect if
operating in unipolar mode.
7
V
REFA
DAC A Reference Input in 2-Quadrant Mode, R2 Terminal in 4-Quadrant Mode. In 2-quadrant mode, V
REFA is the
reference input with constant input resistance vs. code. In 4-quadrant mode, V
REFA is driven by the external
reference amplifier.
8
I
OUTA
DAC A Current Output. Connects to the inverting terminal of external precision I-to-V op amp for voltage output.
9
AGNDA
DAC A Analog Ground.
10
DGND
Digital Ground.
11
AGNDB
DAC B Analog Ground.
12
I
OUTB
DAC B Current Output. Connects to inverting terminal of external precision I-to-V op amp for voltage output.
13
V
REFB
DAC B Reference Input Pin. Establishes DAC full-scale voltage. Constant input resistance vs. code. If configured
with an external op amp for 4-quadrant multiplying, V
REFB becomes –VREF.
14
R
COMB
Center Tap Point of the Two 4-Quadrant Resistors, R
1B and R2B. In 4-quadrant mode, RCOMB ties to the inverting
node of the reference amplifier. In 2-quadrant mode, R
COMB shorts to the VREFB pin. Do not connect if operating in
unipolar mode.
15
R
1B
4-Quandrant Resistor. In 2-quadrant mode, R
1B shorts to the VREFB pin. In 4-quadrant mode, R1B ties to ROFSB. Do not
connect if operating in unipolar mode.
16
R
FBB
Internal Matching Feedback Resistor B. Connects to external op amp for I-to-V conversion.
17
R
OFSB
Bipolar Offset Resistor B. Accepts up to ±18 V. In 2-quadrant mode, R
OFSB ties to RFBB. In 4-quadrant mode, ROFSB
ties to R
1B and an external reference.
18
WR
Write Control Digital Input In, Active Low. WR transfers shift register data to the DAC register on the rising edge.
Signal level must be ≤V
DD + 0.3 V.
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| AD5547CRUZ | 功能描述:IC DAC 16BIT PAR DUAL 38TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設(shè)置時間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
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