參數(shù)資料
型號(hào)： DAC7625P
元件分類： 外設(shè)及接口
英文描述： Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
中文描述： 電可擦除可編程邏輯器件
文件頁(yè)數(shù)： 9/11頁(yè)
文件大小： 311K
代理商： DAC7625P
9
DAC7624/7625
1
2
3
4
V
REFH
V
OUTB
Load DAC Registers
Reset DACs
(1)
V
OUTA
V
SS
5
GND
6
RESET
7
8
9
10
11
12
13
14
LDAC
DB0
DB1
DB2
DB3
DB4
DB5
DB6
V
REFL
V
OUTC
DAC7624
DAC7625
V
OUTD
V
DD
28
27
26
25
NIC
24
CS
23
A0
A1
R/W
DB11
DB10
DB9
DB8
DB7
22
21
20
19
18
17
16
15
Chip Select
–2.5V to +2.5V
–2.5V to +2.5V
Read/Write
Data Bus
Address Bus
or Decoder
NOTE: (1) Reset LOW sets all DACs to code 800
H
on the DAC7624 and to code 000
H
on the DAC7625.
–2.500V
0.1μF
+5V
0.1μF
1μF to 10μF
+
–2.5V to +2.5V
–2.5V to +2.5V
–5V
+2.500V
0.1μF
0.1μF
1μF to 10μF
+
Data Bus
1
2
3
4
V
REFH
V
OUTB
Load DAC Registers
Reset DACs
(1)
V
OUTA
V
SS
5
GND
6
RESET
7
8
9
10
11
12
13
14
LDAC
DB0
DB1
DB2
DB3
DB4
DB5
DB6
V
REFL
V
OUTC
DAC7624
DAC7625
V
OUTD
V
DD
28
27
26
25
NIC
24
CS
23
A0
A1
R/W
DB11
DB10
DB9
DB8
DB7
22
21
20
19
18
17
16
15
Chip Select
Read/Write
Data Bus
Data Bus
Address Bus
or Decoder
+5V
NOTE: (1) Reset LOW sets all DACs to code 800
H
on the DAC7624 and to code 000
H
on the DAC7625.
0V to +2.5V
0V to +2.5V
0V to +2.5V
0V to +2.5V
0.1μF
1μF to 10μF
+
+2.500V
0.1μF
THEORY OF OPERATION
The DAC7624 and DAC7625 are quad, voltage output,
12-bit digital-to-analog converters (DACs). The architecture
is a classic R-2R ladder configuration followed by an opera-
tional amplifier that serves as a buffer. Each DAC has its
own R-2R ladder network and output op-amp, but all share
the reference voltage inputs. The minimum voltage output
(“zero-scale”) and maximum voltage output (“full-scale”)
are set by the external voltage references (V
REFL
and V
REFH
,
respectively). The digital input is a 12-bit parallel word and
the DAC input registers offer a readback capability. The
converters can be powered from a single +5V supply or a
dual
±
5V supply. Each device offers a reset function which
immediately sets all DAC output voltages and DAC regis-
ters to mid-scale (DAC7624, code 800
H
) or to zero-scale
(DAC7625, code 000
H
). See Figures 1 and 2 for the basic
operation of the DAC7624/25.
FIGURE 1. Basic Single-Supply Operation of the DAC7624/25.
FIGURE 2. Basic Dual-Supply Operation of the DAC7624/25.
相關(guān)PDF資料
PDF描述
DAC7625PB 12-Bit Quad Voltage Output DIGITAL-TO-ANALOG CONVERTER
DAC7625U Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
DAC7642VFR 16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DAC7625P 制造商:BURR-BROWN 功能描述:IC 12BIT DAC 7625 DIP28
DAC7625PB 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit Quad Voltage Output RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
DAC7625PBG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12B Quad Vltg Output DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
DAC7625PG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit Quad Voltage Output RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
DAC7625U 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit Quad Voltage Output RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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