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參數(shù)資料
| 型號： | AD5346BRU-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 8BIT OCTAL VOUT 38-TSSOP |
| 產(chǎn)品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 2,500 |
| 設(shè)置時間： | 6µs |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 8 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 8.3mW |
| 工作溫度： | -40°C ~ 105°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： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 8 電壓，單極；8 電壓，雙極 |
| 采樣率（每秒）： | 167k |
AD5346/AD5347/AD5348
Rev. 0 | Page 19 of 24
APPLICATIONS INFORMATION
TYPICAL APPLICATION CIRCUITS
The AD5346/AD5347/AD5348 can be used with a wide range
of reference voltages, especially if the reference inputs are
configured as unbuffered, in which case the devices offer full,
one-quadrant multiplying capability over a reference range of
0.25 V to VDD. More typically, these devices may be used with a
fixed, precision reference voltage. Figure 41 shows a typical
setup for the devices when using an external reference
connected to the reference inputs. Suitable references for 5 V
operation are the AD780, ADR381, and REF192 (2.5 V refer-
ences). For 2.5 V operation, suitable external references are the
AD589 and the AD1580 (1.2 V band gap references).
AD5346/AD5347/
AD5348
VOUT*
0.1
F
VDD = 2.5V to 5.5V
VDD
GND
AD780/ADR381/REF192
WITH VDD = 5V
OR AD589/AD1580 WITH
VDD = 2.5V
VREF*
GND
*ONLY ONE CHANNEL OF VREF AND VOUT SHOWN
10
F
VOUT
VIN
EXT
REF
03331-0-024
Figure 41. AD5346/AD5347/AD5348 Using an External Reference
DRIVING VDD FROM THE REFERENCE VOLTAGE
If an output range of 0 V to VDD is required, the simplest
solution is to connect the reference inputs to VDD. Because this
supply may not be very accurate and may be noisy, the devices
can be powered from the reference voltage, for example, by
using a 5 V reference such as the ADM663 or ADM666, as
shown in Figure 42.
AD5346/AD5347/
AD5348
VOUT*
0.1
F
6V TO 16V
VDD
GND
VREF*
GND
*ONLY ONE CHANNEL OF VREF AND VOUT SHOWN
10
F
VOUT(2)
VIN
EXT
REF
0.1
F
GND
SENSE
SHDN
VSET
ADM663/ADM666
03331-0-025
Figure 42. Using an ADM663/ADM666 as Power and
Reference to the AD5346/AD5347/AD5348
BIPOLAR OPERATION USING THE
AD5346/AD5347/AD5348
The AD5346/AD5347/AD5348 have been designed for single-
supply operation, but a bipolar output range is also possible by
using the circuit shown in Figure 43. This circuit has an output
voltage range of ±5 V. Rail-to-rail operation at the amplifier
output is achievable using an AD820, an AD8519, or an OP196
as the output amplifier.
5V
EXT
REF
GND
VOUT
R2
20k
R1
10k
R4
20k
R3
10k
±5V
+5V
–5V
*ONLY ONE CHANNEL OF VREF AND VOUT SHOWN
0.1
F
0.1
F
10
F
AD820/AD8519/
OP196
VIN
GND
AD5346/AD5347/
AD5348
VOUT*
VDD
VREF*
03331-
0-
026
Figure 43. Bipolar Operation with the AD5346/ AD5347/AD5348
The output voltage for any input code can be calculated as
follows:
VOUT
= [(1 + R4/R3) × (R2/(R1 + R2) × (2 × VREF × D/2N)] –
R4
× VREF/R3
where:
D
is the decimal equivalent of the code loaded to the DAC.
N
is the DAC resolution.
VREF
is the reference voltage input.
with:
VREF
= 5 V
R1
= R3 = 10 k
R2
= R4 = 20 k
VDD
= 5 V
GAIN = 2
VOUT
= (10 × D/2N) – 5
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| AD5346BRU-REEL7 | 功能描述:IC DAC 8BIT OCTAL VOUT 38-TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓模塊:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色產(chǎn)品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 標準包裝:91 系列:- 設(shè)置時間:4µs 位數(shù):10 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:8 電壓電源:單電源 功率耗散（最大）:2.7mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-DFN-EP（4x3） 包裝:管件 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD5346BRUZ | 功能描述:IC DAC 8BIT OCTAL VOUT 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)品培訓模塊:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色產(chǎn)品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 標準包裝:91 系列:- 設(shè)置時間:4µs 位數(shù):10 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:8 電壓電源:單電源 功率耗散（最大）:2.7mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-DFN-EP（4x3） 包裝:管件 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD5346BRUZ | 制造商:Analog Devices 功能描述:IC 8BIT DAC SERIAL I/F OCTAL 5346 |
| AD5346BRUZ-REEL7 | 功能描述:IC DAC 8BIT OCTAL VOUT 38TSSOP 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):在售 位數(shù):8 數(shù)模轉(zhuǎn)換器數(shù):8 建立時間:8μs 輸出類型:Voltage - Buffered 差分輸出:無 數(shù)據(jù)接口:并聯(lián) 參考類型:外部 電壓 - 電源，模擬:2.5 V ~ 5.5 V 電壓 - 電源，數(shù)字:2.5 V ~ 5.5 V INL/DNL（LSB）:±0.15，±0.02 架構(gòu):電阻串 DAC 工作溫度:-40°C ~ 105°C 封裝/外殼:38-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商器件封裝:38-TSSOP 標準包裝:1,000 |
| AD5346BRUZRUZ | 制造商:Analog Devices 功能描述:DAC,AD5346B 8bit 8us octal TSSOP |
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