MAX5500(2008) Просмотр технического описания (PDF) - Maxim Integrated
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MAX5500 Datasheet PDF : 14 Pages
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Low-Power, Quad, 12-Bit
Voltage-Output DACs with Serial Interface
(TA = +25°C, unless otherwise noted.)
DYNAMIC RESPONSE 3V
MAX5500 toc12
Typical Operating Characteristics (continued)
DIGITAL FEEDTHROUGH 3V
(SCLK = 100kHz)
MAX5500 toc13
DIGITAL FEEDTHROUGH 5V
(SCLK = 100kHz)
MAX5500 toc14
OUTA
0.5V/div
10µs/div
VREF = 1.5V, RL = 5kΩ, CL = 100pF
SWITCHING FROM CODE 000 hex TO FB4 hex
OUTPUT AMPLIFIER GAIN = +1
4µs/div
VREF = 1.5V, RL = 5kΩ, CL = 100pF
VCS = VPDL = VCL = 3.3V, VDIN = 0V
DACA CODE SET TO 800 hex
SCLK
1V/div
OUTA
AC-COUPLED
10mV/div
2µs/div
VREF = 2.5V, RL = 5kΩ, CL = 100pF
VCS = VPDL = VCL = 5V, VDIN = 0V
DACA CODE SET TO 800 hex
SCLK
2V/div
OUTA
AC-COUPLED
10mV/div
Pin Description
PIN
NAME
FUNCTION
1
AGND Analog Ground
2
FBA DAC A Output Amplifier Feedback
3
OUTA DAC A Output Voltage
4
OUTB DAC B Output Voltage
5
FBB DAC B Output Amplifier Feedback
6
REFAB DAC A/DAC B Reference Voltage Input
7
CL
Active-Low Clear Input. CL clears all DACs and registers. CL resets all outputs (OUT_, UPO, and DOUT)
to 0.
8
CS Active-Low Chip-Select Input
9
DIN Serial Data Input
10
SCLK Serial Clock Input
11
DGND Digital Ground
12
DOUT Serial Data Output
13
UPO User-Programmable Logic Output
14
PDL Active-Low Power-Down Lockout. Drive PDL low to lock out software shutdown.
15
REFCD DAC C/DAC D Reference Voltage Input
16
FBC DAC C Output Amplifier Feedback
17
OUTC DAC C Output Voltage
18
OUTD DAC D Output Voltage
19
FBD DAC D Output Amplifier Feedback
20
VDD Positive Power Supply
6 _______________________________________________________________________________________
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