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參數(shù)資料
| 型號(hào)： | AD7237KR |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT W/AMP W/BUFF 24SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | DACPORT® |
| 設(shè)置時(shí)間： | 8µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 雙 ± |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 采樣率（每秒）： | * |
AD7237A/AD7247A
REV. 0
–5–
AD7247A PIN FUNCTION DESCRIPTION (DIP PIN NUMBERS)
Pin
Mnemonic
Description
1
REF OUT
Voltage Reference Output. The internal 5 V analog reference is provided at this pin. To operate the part
with internal reference, REF OUT should be connected to REF IN.
2ROFSB
Output Offset Resistor for DAC B. This input configures the output ranges for DAC B. It is connected to
VOUTB for the +5 V range, to GND for the +10 V range and to REF IN for the ± 5 V range.
3VOUTB
Analog Output Voltage from DAC B. This is the buffer amplifier output voltage. Three different output
voltage ranges can be chosen: 0 V to +5 V, 0 V to +10 V and
±5 V. The amplifier is capable of developing
+10 V across a 2 k
resistor to GND.
4
DB11
Data Bit 11 (MSB).
5
DB10
Data Bit 10.
6
GND
Ground. Ground reference for all on-chip circuitry.
7–15
DB9-DB1
Data Bit 9 to Data Bit 1.
16
DB0
Data Bit 0 (LSB).
17
CSB
Chip Select Input for DAC B. Active low logic input. DAC B is selected when this input is active.
18
CSA
Chip Select Input for DAC A. Active low logic input. DAC A is selected when this input is active.
19
WR
Write Input. WR is an active low logic input which is used in conjunction with CSA and CSB to write data
to the DAC latches.
20
VDD
Positive Supply (+12 V to +15 V).
21
VOUTA
Analog Output Voltage from DAC A. This is the buffer amplifier output voltage. Three different output
voltage ranges can be chosen: 0 V to +5 V, 0 V to +10 V and
±5 V. The amplifier is capable of developing
+10 V across a 2 k
resistor to GND.
22
VSS
Negative Supply (0 V or –12 V to –15 V).
23
ROFSA
Output Offset Resistor for DAC A. This input configures the output ranges for DAC A. It is connected to
VOUTA for the +5 V range, to GND for the +10 V range and to REF IN for the
±5 V range.
24
REF IN
Voltage Reference Input. The common reference voltage for both DACs is applied to this pin. It is internally
buffered before being applied to both DACs. The nominal reference voltage for correct operation of the
AD7247A is 5 V.
AD7237A PIN CONFIGURATION
DIP and SOIC
AD7247A PIN CONFIGURATION
DIP and SOIC
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| AD7237KR-REEL | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 12-bit 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:DAC 2CH R-2R 12-BIT 24SOIC W - Tape and Reel |
| AD7237KRZ | 功能描述:IC DAC 12BIT DL AMP/BUFF 24SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:DACPORT® 產(chǎn)品培訓(xùn)模塊:Data Converter Fundamentals DAC Architectures 標(biāo)準(zhǔn)包裝:750 系列:- 設(shè)置時(shí)間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD7237KRZ-REEL | 功能描述:IC DAC 12BIT DL AMP/BUFF 24SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:DACPORT® 標(biāo)準(zhǔn)包裝:2,400 系列:- 設(shè)置時(shí)間:- 位數(shù):18 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:3 電壓電源:模擬和數(shù)字 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:36-TFBGA 供應(yīng)商設(shè)備封裝:36-TFBGA 包裝:帶卷 (TR) 輸出數(shù)目和類型:* 采樣率（每秒）:* |
| AD7237SQ | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS DUAL 12-BIT DACPORT |
| AD7237TQ | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS DUAL 12-BIT DACPORT |
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