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参数资料
| 型号： | DC1010A-B |
| 厂商： | Linear Technology |
| 文件页数： | 23/24页 |
| 文件大小： | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2489 |
| 软件下载： | QuikEval System |
| 设计资源： | DC1010A Design File DC1010A Schematic |
| 标准包装： | 1 |
| 系列： | Easy Drive™, QuikEval™ |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 7.5 |
| 数据接口： | I²C，串行 |
| 已用 IC / 零件： | LTC2489 |
| 已供物品： | 板 |
| 相关产品： | LTC2489IDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2489CDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2489CDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2489IDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN |
LTC2489
8
2489fa
fO (Pin 1): Frequency Control Pin. Digital input that controls
the internal conversion clock rate. When fO is connected to
GND, the converter uses its internal oscillator running at
307.2kHz. The conversion clock may also be overridden by
driving the fO pin with an external clock in order to change
the output rate and the digital filter rejection null.
CA0, CA1 (Pins 2, 3): Chip Address Control Pins. These
pins are configured as a three-state (LOW, HIGH, Floating)
address control bits for the device’s I2C address.
SCL (Pin 4): Serial Clock Pin of the I2C Interface. The
LTC2489 can only act as a slave and the SCL pin only ac-
cepts an external serial clock. Data is shifted into the SDA
pin on the rising edges of the SCL clock and output through
the SDA pin on the falling edges of the SCL clock.
SDA (Pin 5): Bidirectional Serial Data Line of the I2C
Interface. In the transmitter mode (Read), the conver-
sion result is output through the SDA pin, while in the
receiver mode (Write), the device channel select bits are
input through the SDA pin. The pin is high impedance
during the data input mode and is an open drain output
(requires an appropriate pull-up device to VCC) during the
data output mode.
GND (Pin 6): Ground. Connect this pin to a common ground
plane through a low impedance connection.
COM (Pin 7): The Common Negative Input (IN–) for All
Single-Ended Multiplexer Configurations. The voltage
on CH0-CH3 and COM pins can have any value between
GND – 0.3V to VCC + 0.3V. Within these limits, the two
selected inputs (IN+ and IN– ) provide a bipolar input
range (VIN = IN+ – IN– ) from –0.5 VREF to 0.5 VREF.
Outside this input range, the converter produces unique
over-range and under-range output codes.
CH0 to CH3 (Pin 8-Pin 11): Analog Inputs. May be pro-
grammed for single-ended or differential mode.
VCC (Pin 12): Positive Supply Voltage. Bypass to GND with
a 10μF tantalum capacitor in parallel with a 0.1μF ceramic
capacitor as close to the part as possible.
REF+, REF– (Pin 13, Pin 14):
Differential Reference Input.
The voltage on these pins can have any value between
GND and VCC as long as the reference positive input, REF+,
remains more positive than the negative reference input,
REF–, by at least 0.1V. The differential voltage (VREF = REF+
– REF–) sets the full-scale range for all input channels.
Exposed Pad (Pin 15): Ground. This pin is ground and
must be soldered to the PCB ground plane. For prototyping
purposes, this pin may remain floating.
PIN FUNCTIONS
FUNCTIONAL BLOCK DIAGRAM
AUTOCALIBRATION
AND CONTROL
DIFFERENTIAL
3RD ORDER
MODULATOR
DECIMATING FIR
ADDRESS
INTERNAL
OSCILLATOR
I2C
INTERFACE
GND
VCC
CH0
CH1
CH2
CH3
COM
MUX
IN+
IN–
CA0
SCL
REF+
REF–
CA1
SDA
fO
(INT/EXT)
2489 BD
+
–
1.7k
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1010A-C | 功能描述:BOARD DELTA SIGMA ADC LTC2487 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:Easy Drive™, QuikEval™ 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 |
| DC1010CA | 制造商:DIGITAL 功能描述: |
| DC1010EL07 WAF | 制造商:ON Semiconductor 功能描述: |
| DC-101-1 | 制造商:INTRONICS 制造商全称:INTRONICS 功能描述:1 WATT SINGLE OUTPUT DC-DC CONVERTERS |
| DC1011A-A | 功能描述:BOARD DELTA SIGMA ADC LTC2498 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:Easy Drive™, QuikEval™ 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 |
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