HT82V42 データシートの表示（PDF） - Holtek Semiconductor
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HT82V42 Datasheet PDF : 24 Pages
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HT82V42
Absolute Maximum Ratings
Supply Voltage ..........................VSS-0.3V to VSS+4.3V
Input Voltage .............................VSS-0.3V to VCC+0.3V
Analogue Supply Power ...............................3.0V~3.6V
Storage Temperature ...........................-50°C to 125°C
Operating Temperature ..............................0°C to 70°C
Digital supply power......................................3.0V~3.6V
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed
in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
D.C. Characteristics
AVDD=DVDD1=DVDD2=3.3V, AGND=DGND=0V, Ta=25°C, DCLK=30MHz unless otherwise stated.
Symbol
Parameter
Test Conditions
VDD
Conditions
Min.
Typ.
Max.
Unit
Overall System Specification (including 16-bit ADC, PGA, Offset and CDS Functions)
Full-scale Input Voltage Range
(see Note 1)
3.3V
¾
¾
0.27
¾
VP-P
¾
3.0
¾
VP-P
VIN
Input Signal Limits (see Note 2) 3.3V
¾
0
AVDD
V
Full-scale Transition Error
3.3V
Gain = 0dB;
PGA[7:0] = 54(hex)
¾
50
¾
mV
Zero-scale Transition Error
3.3V
Gain = 0dB;
PGA[7:0] = 54(hex)
¾
50
¾
mV
DNL
Differential non-Linearity
3.3V
¾
¾
1.5
¾
LSB
INL
Integral non-Linearity
3.3V
¾
¾
50
¾
LSB
Total Output Noise
Min Gain
3.3V
Max Gain
¾
7
¾
LSB
¾
18
¾
rms
References
VRT
Upper Reference Voltage
¾
1.90
2.00
2.20
V
VRB
Lower Reference Voltage
¾
0.90
1.00
1.20
V
VRX
Input Return Bias Voltage
¾
¾
1.70
¾
V
VRTB
Diff. Reference Voltage
(VRT-VRB)
¾
0.9
1.0
1.1
V
Reset-Level Clamp (RLC) circuit/ Reference Level DAC
Reference RLCDAC Resolution
¾
¾
4
¾
bits
VRLCSTEP
Reference RLCDAC Step Size
RLCDACRNG=0
3.3V
¾
0.159 0.173 0.187 V/step
VRLCBOT
Reference RLCDAC Step Size
RLCDACRNG=1
¾
0.096 0.11 0.124 V/step
Reference RLCDAC Output
VRLCBOT Voltage at Code 0(hex),
3.3V
¾
RLCDACRNG=0
0.35
0.4
0.45
V
Reference RLCDAC Output
VRLCTOP Voltage at Code 0(hex),
RLCDACRNG=1
¾
0.35
0.40
0.45
V
Rev. 1.20
3
December 8, 2010
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