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ML145050-6P 데이터 시트보기 (PDF) - LANSDALE Semiconductor Inc.

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ML145050-6P 10-Bit A/D Converter with Serial Interface - CMOS LANSDALE
LANSDALE Semiconductor Inc. LANSDALE
ML145050-6P Datasheet PDF : 15 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ML145050, ML145051
LANSDALE Semiconductor, Inc.
BLOCK DIAGRAM
INTERNAL
TEST
VOLTAGES
AN0 1
AN1 2
AN2 3
AN3 4
AN4 5
AN5 6
AN6 7
AN7 8
AN8 9
AN9 11
AN10 12
ANALOG
MUX
AN11
AN12
AN13
Din 17
Dout 16
CS 15
SCLK 18
ADCLK (ML145050 ONLY) 19
EOC (ML145051 ONLY) 19
MUX OUT
Vref
VAG
14
13
10-BIT RC DAC
WITH SAMPLE AND HOLD
SUCCESSIVE APPROXIMATION
REGISTER
MUX ADDRESS
REGISTER
PIN 20 = VDD
PIN 10 = VSS
DIGITAL CONTROL
LOGIC
DATA REGISTER
AUTO-ZEROED
COMPARATOR
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VDD DC Supply Voltage (Referenced to VSS)
– 0.5 to + 6.0
V
Vref DC Reference Voltage
VAG to VDD + 0.1
V
VAG Analog Ground
VSS – 0.1 to Vref
V
Vin DC Input Voltage, Any Analog or Digital
VSS – 0.5 to
V
Input
VDD + 0.5
Vout DC Output Voltage
VSS – 0.5 to
V
VDD + 0.5
Iin
Iout
IDD, ISS
Tstg
TL
DC Input Current, per Pin
DC Output Current, per Pin
DC Supply Current, VDD and VSS Pins
Storage Temperature
Lead Temperature, 1 mm from Case for
10 Seconds
± 20
mA
± 25
mA
± 50
mA
– 65 to 150
C
260
C
* Maximum Ratings are those values beyond which damage to the device may occur. Func-
tional operation should be restricted to the Operation Ranges below..
This device contains protection circuitry to
guard against damage due to high static
voltages or electric fields. However, pre-
cautions must be taken to avoid applications
of any voltage higher than maximum rated
voltages to this high-impedance circuit. For
proper operation, Vin and Vout should be
constrained to the range VSS (Vin or Vout)
VDD.
Unused inputs must always be tied to an
appropriate logic voltage level (e.g., either
VSS or VDD). Unused outputs must be left
open.
OPERATION RANGES (Applicable to Guaranteed Limits)
Symbol
Parameter
Value
Unit
VDD DC Supply Voltage, Referenced to VSS
4.5 to 5.5
V
Vref DC Reference Voltage
VAG + 4.0 to VDD + 0.1
V
VAG Analog Ground
VSS – 0.1 to Vref – 4.0
V
VAI Analog Input Voltage (See Note)
VAG to Vref
V
Vin, Vout Digital Input Voltage, Output Voltage
VSS to VDD
V
TA
Ambient Operating Temperature
– 40 to 125
C
NOTE: Analog input voltages greater than Vref convert to full scale. Input voltages less than VAG convert to zero. See V ref and VAG pin
descriptions.
Page 2 of 15
www.lansdale.com
Issue B
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