参数资料
型号: LTC1661IMS8#TRPBF
厂商: Linear Technology
文件页数: 11/14页
文件大小: 0K
描述: IC D/A CONV 10BIT MICRPWR 8-MSOP
标准包装: 2,500
设置时间: 30µs
位数: 10
数据接口: 串行
转换器数目: 2
电压电源: 单电源
功率耗散(最大): 260µW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
输出数目和类型: 2 电压,单极
采样率(每秒): *
LTC1661
6
1661fa
PIN FUNCTIONS
CS/LD (Pin 1): Serial Interface Chip Select/Load Input.
When CS/LD is low, SCK is enabled for shifting data on
DIN into the register. When CS/LD is pulled high, SCK is
disabledandtheoperation(s)specifiedinthecontrolcode,
A3-A0, is (are) performed. CMOS and TTL compatible.
SCK (Pin 2): Serial Interface Clock Input. CMOS and TTL
compatible.
DIN (Pin 3): Serial Interface Data Input. Input word data on
the DIN pin is shifted into the 16-bit register on the rising
edge of SCK. CMOS and TTL compatible.
REF (Pin 4): Reference Voltage Input. 0V ≤ VREF ≤ VCC.
VOUTA,VOUTB(Pin8,Pin5):DACAnalogVoltageOutputs.
The output range is
0
≤ VOUTA,VOUTB ≤ VREF
1023
1024
VCC (Pin 6): Supply Voltage Input. 2.7V ≤ VCC ≤ 5.5V.
GND (Pin 7): System Ground.
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current
vs Logic Input Voltage
Supply Current vs Temperature
LOGIC INPUT VOLTAGE (V)
0
1
2
3
4
5
SUPPLY
CURRENT
(mA)
1661 G10
1.0
0.8
0.6
0.4
0.2
0
ALL DIGITAL INPUTS
SHORTED TOGETHER
TEMPERATURE (°C)
–55 –35 –15 5
25 45 65 85 105 125
SUPPLY
CURRENT
(A)
1661 G11
150
140
130
120
110
100
90
80
70
60
50
VCC = 5.5V
VREF = VCC
CODE = 1023
VCC = 4.5V
VCC = 3.6V
VCC = 2.7V
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