參數(shù)資料
型號(hào): MAX545BMJD
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi): DAC
英文描述: Octal 25-Ohm Buffer/Driver With 3-State Outputs 24-PDIP -40 to 85
中文描述: SERIAL INPUT LOADING, 1 us SETTLING TIME, 14-BIT DAC, CDIP14
封裝: CERAMIC, DIP-14
文件頁(yè)數(shù): 6/12頁(yè)
文件大小: 265K
代理商: MAX545BMJD
M
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
6
_______________________________________________________________________________________
Pin Descriptions (continued)
t
CSHO
t
CH
t
CSSO
t
CL
t
DH
t
DS
t
CSH1
t
CSS1
t
LDACS
t
LDAC
CS
SCLK
DIN
LDAC*
*MAX545 ONLY
D13
D12
S0
Figure 1. Timing Diagram
+5V Supply Voltage
V
DD
Digital Ground
DGND
12
LDAC
Input. A falling edge updates the internal DAC latch.
LDAC
11
Serial-Data Input
DIN
10
No Connection. Not internally connected.
N.C.
9
Serial-Clock Input. Duty cycle must be between 40% and 60%.
SCLK
8
Chip-Select Input
CS
7
Voltage Reference Input (force). Connect REFF to external +2.5V reference.
REFF
6
Voltage Reference Input (sense). Connect REFS to external +2.5V reference.
REFS
5
Analog Ground (sense)
AGNDS
4
Analog Ground (force)
AGNDF
3
DAC Output Voltage
OUT
2
Feedback Resistor. Connect to external op amp’s output in bipolar mode.
RFB
1
FUNCTION
NAME
PIN
Junction of internal scaling resistors. Connect to external op amp’s inverting input in
bipolar mode.
INV
13
14
MAX545
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