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参数资料
| 型号： | LTC1592AIG#TR |
| 厂商： | Linear Technology |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC D/A CONV 16BIT SOFTSPAN16SSOP |
| 产品培训模块： | LTC275x 18-Bit DAC |
| 标准包装： | 2,000 |
| 系列： | SoftSpan™ |
| 设置时间： | 2µs |
| 位数： | 16 |
| 数据接口： | 串行，SPI? |
| 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： | 16-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电流，单极；2 电流，双极 |
| 采样率（每秒）： | * |
| 其它名称： | LTC1592AIGTR |
9
LTC1588/LTC1589/LTC1592
1588992fa
OPERATIO
U
Serial Interface
When the CS/LD is brought to a logic low, the data on the
SDI input is loaded into the shift register on the rising edge
of the clock. A 4-bit command word (C3 C2 C1 C0),
followed by four “don’t care” bits and 16 data bits
(MSB-first) is the minimum loading sequence required for
the LTC1588/LTC1589/LTC1592. When the CS/LD is
brought to a logic high, the clock is disabled internally and
the command word is executed.
If no daisy-chaining is required, the input stream can be
24-bit wide as shown in Figure 1a. The first four bits are the
command word, followed by four “don’t care” bits, then a
16-bit data word. The last four bits (LSBs) of this 16-bit
data word are don’t cares for the LTC1588. For the
LTC1589, the last 2 bits of the 16-bit data word are don’t
cares.
If daisy-chaining is required or the input needs to be
written in two 16-bit wide segments, then the input stream
must be 32-bit wide and the first 8 bits loaded are “don’t
care” bits. The remaining bits work the same as a 24-bit
stream which is described in the previous paragraph. The
output of the internal 32-bit shift register is available on the
SDO pin 32 clock cycles later.
Multiple LTC1588/LTC1589/LTC1592s may be daisy-
chained together by connecting the SDO pin to the SDI pin
of the next IC. The clock and CS/LD signals should remain
common to all ICs in the daisy-chain. The serial data is
clocked to all ICs, then the CS/LD signal is pulled high to
update all of them simultaneously.
Power-On Reset and Clear
When the power supply is first turned on, the LTC1588/
LTC1589/LTC1592 will power up in 5V unipolar mode (C3
C2 C1 C0 = 1000). All the internal registers are set to zeros
and the DAC is set to zero code.
The LTC1588/LTC1589/LTC1592 must first be pro-
grammed in either unipolar or bipolar mode. There are six
operating modes available and can be software-pro-
grammed by the command word. When a CLR signal is
brought to low, it clears all internal registers to zero. The
DAC output voltage goes to zero volts. If an update DAC
command (C3 C2 C1 C0 = 0001) is issued immediately
after the CLR signal, the DAC output remains at zero volts.
If a CLR signal is given within a 100ns interval immediately
after CS/LD goes high, the user should reload the output
range.
Output Range Programming
There are two output ranges available in unipolar mode
and four output ranges available in bipolar mode. See
Function Table for details. All output ranges are with re-
spect to a 5V reference input. When changing the LTC1588/
LTC1589/LTC1592 to a new mode, the command word
and data are given at the same time (24 or 32 bit). When
C3
COMMAND
DON’T CARE
DATA (16 BITS)
C2
C1
C0
X
D13
D14
D15
D12 D11 D10 D9
D8
D7 D6
D5
D4
D3
D2
D1 D0
1588992 TD2
MSB
LSB
C3
COMMAND
DON’T CARE
DATA (14 BITS + 2 DON’T-CARE BITS)
C2
C1
C0
X
D13 D12 D11 D10 D9
D8
D7 D6
D5
D4
D3
D2
D1 D0
X
1588992 TD3
MSB
LSB
C3
COMMAND
DON’T CARE
DATA (12 BITS + 4 DON’T-CARE BITS)
C2
C1
C0
X
D11 D10 D9
D8
D7 D6
D5
D4
D3
D2
D1 D0
X
XX
1588992 TD4
MSB
LSB
INPUT WORD (LTC1592)
INPUT WORD (LTC1589)
INPUT WORD (LTC1588)
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| LTC1592BCG | 制造商:Linear Technology 功能描述:DAC 1-CH 16-bit 16-Pin SSOP |
| LTC1592BCG#PBF | 功能描述:IC D/A CONV 16BIT SOFTSPAN16SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:SoftSpan™ 标准包装:1 系列:- 设置时间:4.5µs 位数:12 数据接口:串行，SPI? 转换器数目:1 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOICN 包装:剪切带 (CT) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:* 其它名称:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| LTC1592BCG#TR | 功能描述:IC D/A CONV 16BIT SOFTSPAN16SSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:SoftSpan™ 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
| LTC1592BCG#TRPBF | 功能描述:IC D/A CONV 16BIT SOFTSPAN16SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:SoftSpan™ 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
| LTC1592BIG | 功能描述:IC D/A CONV 16BIT SOFTSPAN16SSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:SoftSpan™ 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
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