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參數資料
| 型號： | MAX547AEQH+D |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 14/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 13BIT OCTAL PAR 44-PLCC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 28 |
| 設置時間： | 5µs |
| 位數： | 13 |
| 數據接口： | 并聯 |
| 轉換器數目： | 8 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 1.07W |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LCC（J 形引線） |
| 供應商設備封裝： | 28-PLCC（11.51x11.51） |
| 包裝： | 管件 |
| 輸出數目和類型： | 8 電壓，單極；8 電壓，雙極 |
| 采樣率（每秒）： | * |
Analog Ground for DAC E and DAC F
_______________Detailed Description
Analog Section
The MAX547 contains eight 13-bit, voltage-output
DACs. These DACs are “inverted” R-2R ladder net-
works that convert 13-bit digital inputs into equivalent
analog output voltages, in proportion to the applied ref-
erence voltages. The MAX547 has one reference input
(REF_) and one analog-ground input (AGND_) for each
pair of DACs. The four REF_ inputs allow different full-
scale output voltages for each DAC pair, and the four
AGND_ inputs allow different offset voltages for each
DAC pair.
The DAC ladder outputs are buffered with op amps that
operate with a gain of two. The inverting node of the
amplifier is connected to the respective reference
input, resulting in bipolar output voltages from -REF_ to
4095/4096 REF_. Figure 1 shows the simplified DAC
circuit.
MAX547
Octal, 13-Bit Voltage-Output
DAC with Parallel Interface
_______________________________________________________________________________________
7
_________________________________________________Pin Description (continued)
FLAT
PACK
PLCC
NAME
FUNCTION
36
REFGH
Reference Voltage Input for DAC G and DAC H. Bypass to AGNDGH with a 0.1F to 1F capacitor.
30
16
A2
Address Bit 2
38
VOUTH
DAC H Output Voltage
33
–
L
—
D
—
G
—
H
–
Load Input (active low). Driving this asynchronous input low transfers the contents of input latches
G and H to the respective DAC latches.
32
35
AGNDGH
Analog Ground for DAC G and DAC H
34
GND
Digital Ground
PIN
10
27
29
28
41
VOUTE
DAC E Output Voltage
35
39
VOUTG
DAC G Output Voltage
33
40
VOUTF
DAC F Output Voltage
34
44
AGNDEF
38
Figure 1. DAC Simplified Circuit Diagram
2R
R
D0
D10
D11
D12
RR
OUT
REF–
AGND–
2R
VDAC
43
REFEF
Reference Voltage Input for DAC E and DAC F. Bypass to AGNDEF with a 0.1F to 1F capaci-
37
32
–
L
—
D
—
E
—
F
–
Load Input (active low). Driving this asynchronous input low transfers the contents of input latches
E and F to the respective DAC latches.
26
17
A1
Address Bit 1
11
18
A0
Address Bit 0
19–31
D12–D0
Data Bits 12–0
13–25
12
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX547AEQH-TD | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX547BC/D | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX547BCMH | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX547BCMH+ | 功能描述:數模轉換器- DAC 13-Bit 8Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX547BCMH+D | 功能描述:數模轉換器- DAC 13-Bit 8Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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