参数资料
型号: LTC1821-1AIGW#PBF
厂商: Linear Technology
文件页数: 1/16页
文件大小: 0K
描述: IC D/A CONV 16BIT PRECISE 36SSOP
产品培训模块: LTC275x 18-Bit DAC
标准包装: 32
设置时间: 2µs
位数: 16
数据接口: 并联
转换器数目: 1
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-BSOP(0.295",7.50mm 宽)
供应商设备封装: 36-SSOP
包装: 管件
输出数目和类型: 1 电压,单极;1 电压,双极
采样率(每秒): *
1
LTC1821
APPLICATIO S
U
DESCRIPTIO
U
FEATURES
TYPICAL APPLICATIO
U
16-Bit, Ultra Precise,
Fast Settling VOUT DAC
The LTC
1821 is a parallel input 16-bit multiplying voltage
output DAC that operates from analog supply voltages of
±5V up to ±15V. INL and DNL are accurate to 1LSB over the
industrial temperature range in both unipolar 0V to 10V and
bipolar
±10Vmodes.Precise16-bitbipolar±10Voutputsare
achieved with on-chip 4-quadrant multiplication resistors.
The LTC1821 is available in a 36-lead SSOP package and is
specified over the industrial temperature range.
The device includes an internal deglitcher circuit that reduces
the glitch impulse to less than 2nVs (typ). The LTC1821
settles to 1LBS in 2
s with a full-scale 10V step. The
combination of fast, precise settling and ultra low glitch make
the LTC1821 ideal for precision industrial control applica-
tions.
The asynchronous CLR pin resets the LTC1821 to zero scale
and resets the LTC1821-1 to midscale.
s
Process Control and Industrial Automation
s
Precision Instrumentation
s
Direct Digital Waveform Generation
s
Software-Controlled Gain Adjustment
s
Automatic Test Equipment
, LTC and LT are registered trademarks of Linear Technology Corporation.
LTC1821/LTC1821-1
Integral Nonlinearity
16-Bit, 4-Quadrant Multiplying DAC with a
Minimum of External Components
DIGITAL INPUT CODE
0
INTEGRAL
NONLINEARITY
(LSB)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
16384
32768
1821 TA02
49152
65535
VREF = 10V
VOUT = ±10V BIPOLAR
VCC
LTC1821-1
RFB
IOUT
RFB
ROFS
5V
LD
10
9
3
2
24 23
7
2
6
15pF
17
16
20
13
15
V
V+
R1
RCOM
8
REF
11
12
14
0.1
F
1
22
VOUT
15pF
VOUT =
1821 TA01
DGND
NC
AGNDS
AGNDF
+
LT
1468
WR
3 TO 6,
25 TO 36
WR
CLR
16-BIT DAC
R1
R2
16
DATA
INPUTS
0.1
F
15V
–15V
0.1
F
+
21
DNC*
19
DNC*
18
*DO NOT CONNECT
DNC*
VREF
–VREF
VREF
–VREF
s
2
s Settling to 0.0015% for 10V Step
s
1LSB Max DNL and INL Over Industrial
Temperature Range
s
On-Chip 4-Quadrant Resistors Allow Precise 0V to
10V, 0V to –10V or
±10V Outputs
s
Low Glitch Impulse: 2nVs
s
Low Noise: 13nV/
√Hz
s
36-Lead SSOP Package
s
Power-On Reset
s
Asynchronous Clear Pin
LTC1821: Reset to Zero Scale
LTC1821-1: Reset to Midscale
相关PDF资料
PDF描述
VI-JT2-MW-S CONVERTER MOD DC/DC 15V 100W
LTC1821-1AIGW IC D/A CONV 16BIT PRECISE 36SSOP
VI-BTP-MX-S CONVERTER MOD DC/DC 13.8V 75W
AD7534KPZ IC DAC 14BIT MULT W/BUFF 20PLCC
VI-BTN-MX-S CONVERTER MOD DC/DC 18.5V 75W
相关代理商/技术参数
参数描述
LTC1821-1BCGW 功能描述:IC D/A CONV 16BIT PRECISE 36SSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散(最大):941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC(0.295",7.50mm 宽) 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压,单极 采样率(每秒):*
LTC1821-1BCGW#PBF 功能描述:IC D/A CONV 16BIT PRECISE 36SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散(最大):941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC(0.295",7.50mm 宽) 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压,单极 采样率(每秒):*
LTC1821-1BCGW#TR 功能描述:IC D/A CONV 16BIT PRECISE 36SSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散(最大):941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC(0.295",7.50mm 宽) 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压,单极 采样率(每秒):*
LTC1821-1BCGW#TRPBF 功能描述:IC D/A CONV 16BIT PRECISE 36SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散(最大):941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC(0.295",7.50mm 宽) 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压,单极 采样率(每秒):*
LTC1821-1BIGW 功能描述:IC D/A CONV 16BIT PRECISE 36SSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散(最大):941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC(0.295",7.50mm 宽) 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压,单极 采样率(每秒):*