- 您现在的位置：买卖IC网 > PDF目录170654 > DAC8554IPWR (TEXAS INSTRUMENTS INC) SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO16 PDF资料下载
参数资料
| 型号： | DAC8554IPWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO16 |
| 封装： | GREEN, PLASTIC, TSSOP-16 |
| 文件页数： | 7/31页 |
| 文件大小： | 1039K |
| 代理商： | DAC8554IPWR |
第1页第2页第3页第4页第5页第6页当前第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页
www.ti.com
INPUT SHIFT REGISTER
IOV
DD AND VOLTAGE TRANSLATORS
SLAS431B – JUNE 2005 – REVISED OCTOBER 2006
After the 24th falling edge of SCLK is received, the
SYNC line may be kept LOW or brought HIGH. In
The input shift register (SR) of the DAC8554 is 24
either case, the minimum delay time from the 24th
bits wide, as shown in Figure 47, and is made up of
falling SCLK edge to the next falling SYNC edge
eight control bits (DB23–DB16) and 16 data bits
must be met in order to properly begin the next
(DB15–DB0). The first two control bits (DB23 and
cycle.
DB22) are the address match bits. The DAC8554
To assure the lowest power consumption of the
offers
additional
hardware-enabled
addressing
device, care should be taken that the levels are as
capability, allowing a single host to talk to up to four
close to each rail as possible. [Refer to the Typical
DAC8554s through a single SPI bus without any glue
Characteristics section for the Supply Current vs
logic, enabling up to 16-channel operation. The state
Logic
Input
Voltage
and
2.7V)
transfer
of DB23 should match the state of pin A1; similarly,
characteristic curves.]
the state of DB22 should match the state of pin A0. If
there is no match, the control command and the data
(DB21...DB0) are ignored by the DAC8554. That is, if
there is no match, the DAC8554 is not addressed.
The IOVDD pin powers the digital input structures of
Address
matching
can
be
overridden
by
the
the DAC8554. For single-supply operation, it can be
broadcast update.
tied to AVDD. For dual-supply operation, the IOVDD
pin provides interface flexibility with various CMOS
LD1 (DB21) and LD0 (DB20) control the updating of
logic families and should be connected to the logic
each analog output with the specified 16-bit data
supply of the system. Analog circuits and internal
value or power-down command. Bit DB19 is a don't
logic of the DAC8554 use AVDD as the supply
care bit that does not affect the operation of the
voltage. The external logic high inputs get translated
DAC8554, and can be '1' or '0'. The DAC channel
to AVDD by level shifters. These level shifters use the
select bits (DB18, DB17) control the destination of
IOVDD voltage as a reference to shift the incoming
the data (or power-down command) from DAC A
logic HIGH levels to AVDD. IOVDD is ensured to
through DAC D. The final control bit, PD0 (DB16),
operate from 2.7V to 5.5V regardless of the AVDD
selects the power-down mode of the DAC8554
voltage, which ensures compatibility with various
channels.
logic families. Although specified down to 2.7V,
IOVDD will operate at as low as 1.8V with degraded
timing and temperature performance. For lowest
power consumption, logic VIH levels should be as
close as possible to IOVDD, and logic VIL levels
should be as close as possible to GND voltages
DB23
DB12
A1
A0
LD1
LD0
X
DAC Select 1
DAC Select 0
PD0
D15
D14
D13
D12
DB11
DB0
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Figure 47. DAC8554 Data Input Register Format
15
相关PDF资料 |
PDF描述 |
|---|---|
| DAC8554IPW | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO16 |
| DAC8564IAPWR | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO16 |
| DAC8564IBPW | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO16 |
| DAC8564ICPWR | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO16 |
| DAC8564IDPW | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DAC8554IPWRG4 | 功能描述:数模转换器- DAC 16-Bit Quad Ch UltLo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC8555 | 制造商:BB 制造商全称:BB 功能描述:16-BIT, QUAD CHANNEL, ULTRALOW GLITCH, VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER |
| DAC8555EVM | 功能描述:数据转换 IC 开发工具 QUAD CH. DAC RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| DAC8555IPW | 功能描述:数模转换器- DAC 16-Bit Quad Ch UltLo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC8555IPW | 制造商:Texas Instruments 功能描述:IC DAC 16BIT QUAD 16-TSSOP 制造商:Texas Instruments 功能描述:IC, DAC 16BIT QUAD 16-TSSOP 制造商:Texas Instruments 功能描述:IC, DAC 16BIT QUAD 16-TSSOP; Resolution (Bits):16bit; Sampling Rate:200kSPS; Input Channel Type:Serial; Supply Voltage Range:2.7V to 5.5V; Digital IC Case Style:TSSOP; No. of Pins:16; Data Interface:3 Wire, Serial; Supply ;RoHS Compliant: Yes |
发布紧急采购，3分钟左右您将得到回复。