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| 型号： | DAC5687IPZP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.0104 us SETTLING TIME, 16-BIT DAC, PQFP100 |
| 封装： | GREEN, PLASTIC, HTQFP-100 |
| 文件页数： | 19/79页 |
| 文件大小： | 2490K |
| 代理商： | DAC5687IPZP |
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Register Name: CONFIG2—Address: 0x03, Default = 0x80
SLWS164E – FEBRUARY 2005 – REVISED SEPTEMBER 2006
input data MSB to LSB order is reversed, DA[15] = LSB and DA[0] = MSB.
rev_bbus: When cleared, DB input data MSB to LSB order is DB[15] = MSB and DB[0] = LSB. When set, DB
input data MSB to LSB order is reversed, DB[15] = LSB and DB[0]= MSB.
fir_bypass: When set, all interpolation filters are bypassed (interp(1:0) setting has no effect). QMC and NCO
blocks are functional in this mode up to fDAC = 250 MHz, limited by the input data rate.
full_bypass: When set, all filtering, QMC and NCO functions are bypassed.
BIT 7
BIT 0
nco
nco_gain
qmc
cm_mode(3:0)
invsinc
1
0
nco: When set, the NCO is enabled.
nco_gain: When set, the data output of the NCO is increased by 2
×.
qmc: Quadrature modulator gain and phase correction is enabled when set.
cm_mode(3:0): Controls fDAC/2 or fDAC/4 mixer modes for the coarse mixer block.
Table 3. Coarse Mixer Sequences
cm_mode(3:0)
Mixing Mode
Sequence
00XX
No mixing
0100
fDAC/2
DAC A = {–A +A –A +A …}
DAC B = {–B +B –B +B …}
0101
fDAC/2
DAC A = {–A +A –A +A …}
DAC B = {+B –B +B –B …}
0110
fDAC/2
DAC A = {+A –A +A –A …}
DAC B = {–B +B –B +B …}
0111
fDAC/2
DAC A = {+A –A +A –A …}
DAC B = {+B –B +B –B …}
1000
fDAC/4
DAC A = {+A –B –A +B …}
DAC B = {+B +A –B –A …}
1001
fDAC/4
DAC A = {+A –B –A +B …}
DAC B = {–B –A +B +A …}
1010
fDAC/4
DAC A = {–A +B +A –B …}
DAC B = {+B +A –B –A …}
1011
fDAC/4
DAC A = {–A +B +A –B …}
DAC B = {–B –A +B +A …}
1100
–fDAC/4
DAC A = {+A +B –A –B …}
DAC B = {+B –A –B +A …}
1101
–fDAC/4
DAC A = {+A +B –A –B …}
DAC B = {–B +A +B –A …}
1110
–fDAC/4
DAC A = {–A –B +A +B …}
DAC B = {+B –A –B +A …}
1111
–fDAC/4
DAC A = {–A –B +A +B …}
DAC B = {–B +A +B –A …}
invsinc: Enables the invsinc compensation filter when set.
26
Copyright 2005–2006, Texas Instruments Incorporated
Product Folder Link(s): DAC5687
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| DAC5687IPZPG4 | 功能描述:数模转换器- DAC 16-bit 500 MSPS 2-8x Interpolat’g Dual-Ch 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 |
| DAC5687IPZPR | 功能描述:数模转换器- DAC 16-bit 500 MSPS 2-8x Interpolat’g Dual-Ch 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 |
| DAC5687IPZPRG4 | 功能描述:数模转换器- DAC 16-bit 500 MSPS 2-8x Interpolat’g Dual-Ch 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 |
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