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参数资料
| 型号： | EVAL-AD7738EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 26/28页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD7738 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 24 |
| 采样率（每秒）： | 15.4k |
| 数据接口： | 串行 |
| 输入范围： | ±2.5 V |
| 在以下条件下的电源（标准）： | 85mW @ 5V |
| 工作温度： | -40°C ~ 105°C |
| 已用 IC / 零件： | AD7738 |
| 已供物品： | 板 |
| 相关产品： | AD7738BRUZ-REEL7-ND - IC ADC 24BIT 8CH SIG-DEL 28TSSOP AD7738BRUZ-REEL-ND - IC ADC 24BIT 8CH SIG-DEL 28TSSOP AD7738BRUZ-ND - IC ADC 24BIT 8-CH 28-TSSOP AD7738BRU-REEL7-ND - IC ADC 24BIT 8CH SIG-DEL 28TSSOP AD7738BRU-ND - IC ADC 24BIT 8-CH 28-TSSOP |
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REV. 0
AD7738
–7–
PIN FUNCTION DESCRIPTION
Pin No.
Mnemonic
Description
1
SCLK
Serial Clock. Schmitt-Triggered Logic Input. An external serial clock is applied to this input to transfer
serial data to or from the AD7738.
2
MCLKIN
Master Clock Signal for the ADC. This can be provided in the form of a crystal/resonator or external
clock. A crystal/resonator can be tied across the MCLKIN and MCLKOUT pins. Alternatively, the MCLKIN
pin can be driven with a CMOS compatible clock and MCLKOUT left unconnected.
3MCLKOUT
When the master clock for the device is a crystal/resonator, the crystal/resonator is connected between
MCLKIN and MCLKOUT. If an external clock is applied to the MCLKIN, MCLKOUT provides an
inverted clock signal or can be switched off to lower the device power consumption. MCLKOUT is
capable of driving one CMOS load.
4
CS
Chip Select. Active low Schmitt triggered logic input with an internal pull-up resistor. With this input
hardwired low, the AD7738 can operate in its 3-wire interface mode using SCLK, DIN, and DOUT.
CS
can be used to select the device in systems with more than one device on the serial bus. It can also be used as
an 8-bit frame synchronization signal.
5
RESET
Schmitt-Triggered Logic Input. Active low input that resets the control logic, interface logic, digital filter,
analog modulator, and all on-chip registers of the part to power-on status. Effectively, everything on the
part except the clock oscillator is reset when the
RESET pin is exercised.
6AVDD
Analog Positive Supply Voltage. 5 V to AGND nominal.
7
AINCOM/P0
Analog Inputs Common Terminal/Digital Output. The pin is determined by the P0 Dir bit; the digital
value can be written as the P0 bit in the I/O Port register. The digital voltage is referenced to analog
supplies. When configured as an input (P0 Dir bit set to 1), the single-ended Analog Inputs 0 to 7 can be
referenced to this pin’s voltage level.
8
SYNC/P1
SYNC/Digital Input/Digital Output. The pin direction is determined by the P1 Dir bit; the digital value
can be read/written as the P1 bit in the I/O Port register. When the SYNC Enable bit in the I/O Port
register is set to 1, the
SYNC/P1 pin can be used to synchronize the AD7738 modulator and digital filter
with other devices in the system. The digital voltage is referenced to the analog supplies. When configured
as an input, the pin should be tied high or low.
9–12,
AIN0–AIN7
Analog Inputs
17–20
13
MUXOUT(+) Analog Multiplexer Positive Output
14
MUXOUT(–)
Analog Multiplexer Negative Output
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AD7738
SCLK
DGND
MCLKIN
DVDD
MCLKOUT
DIN
CS
DOUT
RESET
RDY
AVDD
AGND
AINCOM/P0
REFIN(–)
SYNC/P1
REFIN(+)
AIN7
AIN0
AIN6
AIN1
AIN5
AIN2
AIN4
AIN3
MUXOUT(+)
ADCIN(+)
MUXOUT(–)
ADCIN(–)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-AD7739EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD7739EBZ | 功能描述:BOARD EVAL FOR AD7739 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-AD7741/42EB | 制造商:Analog Devices 功能描述:Evaluation Board For Single And Multi-Channel Synchronous Voltage-To-Frequency Converters 制造商:Analog Devices 功能描述:EVALUATION BOARD IC - Bulk |
| EVAL-AD7741/42EBZ | 功能描述:BOARD EVAL FOR AD7741/7742 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:- 主要目的:电信，线路接口单元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板，电源，线缆，CD 其它名称:82EBV2081 |
| EVAL-AD7741-42EBZ | 制造商:AD 制造商全称:Analog Devices 功能描述:Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
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