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参数资料
| 型号： | DAC7800LU |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 0.4 us SETTLING TIME, 12-BIT DAC, PDSO16 |
| 封装： | GREEN, PLASTIC, SOIC-16 |
| 文件页数： | 17/23页 |
| 文件大小： | 687K |
| 代理商： | DAC7800LU |
DAC7800, 7801, 7802
3
SBAS005A
www.ti.com
AC PERFORMANCE
OUTPUT OP AMP IS OPA602.
At VDD = +5VDC, VREF A = VREF B = +10V, TA = +25°C, unless otherwise noted. These specifications are fully characterized but not subject to test.
NOTE: (1) Ensured but not tested.
DAC7800, 7801, 7802K
DAC7800, 7801, 7802L
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OUTPUT CURRENT SETTLING TIME
To 0.01% of Full-Scale
0.4
0.8
s
RL = 100, CL = 13pF
DIGITAL-TO-ANALOG GLITCH IMPULSE
VREF A = VREF B = 0V
0.9
nV-s
RL = 100, CL = 13pF
AC FEEDTHROUGH
fVREF = 10kHz
–75
–72
dB
OUTPUT CAPACITANCE
DAC Loaded with All 0s
30
50
pF
DAC Loaded with All 1s
70
100
pF
CHANNEL-TO-CHANNEL ISOLATION
VREF A to IOUT B
fVREF A = 10kHz
–90
–94
dB
VREF B = 0V,
Both DACs Loaded with 1s
VREF B to IOUT A
fVREF B = 10kHz
–90
–101
dB
VREF A = 0V,
Both DACs Loaded with 1s
DIGITAL CROSSTALK
Full-Scale Transition
0.9
nV-s
RL = 100, CL = 13pF
Same specification as for DAC7800, 7801, and 7802K.
DAC7800
BLOCK DIAGRAM
DAC A
DAC B
DAC A Register
12
UPD B
I
AGND B
R
V
R
I
AGND A
UPD A
OUT B
FB B
REF B
REF A
FB A
OUT A
12
V
DD
9
DGND
10
15
16
14
13
4
3
2
1
6
DAC B Register
Bit 0
Bit 11
Bit 12
Bit 23
Control
Logic
and
Shift
Register
7
11
CLR
12
DAC7800
Data
In
5
CLK
8
CS
PIN CONFIGURATION
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
AGND A
CLK
UPD A
Data In
CS
AGND B
I
R
V
CLR
UPD B
DGND
OUT A
FB A
REF A
OUT B
DAC7800
I
R
V
FB B
REF B
DD
CLK
UPD A
UPD B
CS
CLR
FUNCTION
XXXX
0
All register contents set to 0’s (asynchronous).
X
1
X
No data transfer.
X
0
1
Input data is clocked into input register (location Bit 23) and previous data shifts.
X
0101
Input register bits 23 (LSB) - 12 (MSB) are loaded into DAC A.
X
1001
Input register bits 11 (LSB) - 0 (MSB) are loaded into DAC B.
X
0001
Input register bits 23 (LSB) - 12 (MSB) are loaded into DAC A, and input register bits 11 (LSB) - 0 (MSB)
are loaded into DAC B.
X = Don’t care.
means falling edge triggered.
LOGIC TRUTH TABLE
Top View
DIP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DAC7800LU | 制造商:Texas Instruments 功能描述:12BIT DAC DUAL SMD 7800 SOIC16 |
| DAC7800LUG4 | 功能描述:数模转换器- DAC Dual Monolithic CMOS 12-Bit Multiplying 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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| DAC7801KPG4 | 功能描述:数模转换器- DAC Dual Monolithic CMOS 12-Bit Multiplying 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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