参数资料
型号: TC850CPL
元件分类: ADC
英文描述: 1-CH 15-BIT MULTI-SLOPE ADC, PARALLEL ACCESS, PDIP40
封装: PLASTIC, DIP-40
文件页数: 26/26页
文件大小: 417K
代理商: TC850CPL
2006 Microchip Technology Inc.
DS21479C-page 9
TC850
4.0
ANALOG SECTION
DESCRIPTION
The TC850 analog section consists of an input buffer
amplifier, integrator amplifier, comparator and analog
switches. A simplified block diagram is shown in
4.1
Conversion Timing
Each conversion consists of three phases:
1.
Zero Integrator
2.
Signal Integrate
3.
Reference Integrate (or De-integrate)
Each conversion cycle requires 1280 internal clock
FIGURE 4-1:
Analog Section Simplified Schematic
FIGURE 4-2:
Conversion Timing
RINT
INTIN
INTOUT
CINT
INT
Buffer*
BUFF
Integrator*
Comparator*
To Digital
Section
DE1
(+)
DE
Z1
DE
DE1
(+)
DE1
(-)
DE1
(-)
DE2
(+)
DE2
(-)
DE1
(+)
DE1
(-)
REF2+
+
-
+
+
TC850
CREF1+
CREF2-
CREF2
CREF1-
CREF2-
REF1+
REF1-
CREF1
IN+
IN-
ANALOG
COMMON
*Auto Zeroed Amplifiers
Conversion
Phase
Internal
Clock
Signal Integrate
Zero Integrator
Reference Integrate
1280 Clock Cyles
246
256
778
. . . . . . .
. . . . . . . . . . . .
. .
相关PDF资料
PDF描述
TC850IJL 1-CH 15-BIT MULTI-SLOPE ADC, PARALLEL ACCESS, CDIP40
TC850ILW713 1-CH 15-BIT MULTI-SLOPE ADC, PARALLEL ACCESS, PQCC44
TC850ILWTR 1-CH 15-BIT MULTI-SLOPE ADC, PARALLEL ACCESS, PQCC44
TC850CLW 1-CH 15-BIT MULTI-SLOPE ADC, PARALLEL ACCESS, PQCC44
TC850CLWTR 1-CH 15-BIT MULTI-SLOPE ADC, PARALLEL ACCESS, PQCC44
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