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参数资料
| 型号： | EVAL-AD7993EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/32页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD7993 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 10 |
| 采样率（每秒）： | 188k |
| 数据接口： | 串行 |
| 输入范围： | 0 ~ 5.5 V |
| 在以下条件下的电源（标准）： | 7.7mW @ 188kSPS，5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 已用 IC / 零件： | AD7993 |
| 已供物品： | 板，缆线，CD |
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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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相关代理商/技术参数 |
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|---|---|
| EVAL-AD7994CB | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD. - Bulk |
| EVAL-AD7994CBZ | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD. - Bulk |
| EVAL-AD7994EBZ | 功能描述:BOARD EVAL FOR AD7994 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7995EBZ | 功能描述:BOARD EVAL FOR AD7995 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7997CBZ | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD (ROHS) - Bulk |
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