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參數(shù)資料
| 型號： | AD7993BRUZ-1 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 2/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT 4CHAN I2C 16TSSOP |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 188k |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 2.2mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 4 個單端，單極 |
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AD7993/AD7994
Rev. 0 | Page 10 of 32
PIN CONFIGURATION AND PIN FUNCTION DESCRIPTIONS
AD7993/
AD7994
TOP VIEW
1
2
3
4
13
14
15
16
SDA
SCL
VDD
AGND
VIN4
10
9
VIN2
5
(Not to Scale)
ALERT/BUSY
12
11
AS
AGND
REFIN
6
VIN1
7
VIN3
8
AGND
03472-0-003
CONVST
AGND
Figure 3. 16-Lead TSSOP Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic
Function
1, 2, 3, 4, 16
AGND
Analog Ground. Ground reference point for all circuitry on the AD7993/AD7994. All analog input signals
should be referred to this AGND voltage.
5
VDD
Power Supply Input. The VDD range for the AD7993/AD7994 is from 2.7 V to 5.5 V.
6
REFIN
Voltage Reference Input. The external reference for the AD7993/AD7994 should be applied to this input pin.
The voltage range for the external reference is 1.2 V to VDD. A 0.1 F and 1 F capacitor should be placed
7
VIN1
Analog Input 1. Single-ended analog input channel. The input range is 0 V to REFIN.
8
VIN3
Analog Input 3. Single-ended analog input channel. The input range is 0 V to REFIN.
9
VIN4
Analog Input 4. Single-ended analog input channel. The input range is 0 V to REFIN.
10
VIN2
Analog Input 2. Single-ended analog input channel. The input range is 0 V to REFIN.
11
AS
Logic Input. Address select input that selects one of three I2C addresses for the AD7993/AD7994, as shown in
Table 6. The device address depends on the voltage applied to this pin.
12
CONVST
Logic Input Signal/Convert Start Signal. This is an edge-triggered logic input. The rising edge of this signal
powers up the part. The power-up time for the part is 1 s. The falling edge of CONVST places the track/hold
into hold mode and initiates a conversion. A power-up time of at least 1 s must be allowed for the CONVST
high pulse; otherwise, the conversion result is invalid (see the Modes of Operation section).
13
ALERT/BUSY
Digital Output, Selectable as an ALERT or BUSY Output Function. When configured as an ALERT, this pin acts
as an out-of-range indicator and, if enabled, becomes active when the conversion result violates the DATAHIGH
or DATALOW register values. See the Limit Registers section. When configured as a BUSY output, this pin
becomes active when a conversion is in progress. Open-drain output.
14
SDA
Digital I/O. Serial bus bidirectional data. Open-drain output. External pull-up resistor required.
15
SCL
Digital Input. Serial bus clock. External pull-up resistor required.
Table 6. I2C Address Selection
Part Number
AS Pin
I2C Address
AD7993-0
GND
010 0001
AD7993-0
VDD
010 0010
AD7993-1
GND
010 0011
AD7993-1
VDD
010 0100
AD7993-x1
Float
010 0000
AD7994-0
GND
010 0001
AD7994-0
VDD
010 0010
AD7994-1
GND
010 0011
AD7994-1
VDD
010 0100
AD7994-x
1
Float
010 0000
1 If the AS pin is left floating on any of the AD7993/AD7994 parts, the device address is 010 0000.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AD7993BRUZ-1REEL | 功能描述:IC ADC 10BIT 4CHAN I2C 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7993-X | 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
| AD7994 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
| AD7994-0 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
| AD7994-1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
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