參數(shù)資料
型號(hào)： THS1209CDA
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： ADC
英文描述： 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝： GREEN, PLASTIC, TSSOP-32
文件頁(yè)數(shù)： 23/33頁(yè)
文件大?。?/td> 312K
代理商： THS1209CDA
THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
www.ti.com
3
ELECTRICAL CHARACTERISTICS
over recommended operating conditions, AVDD = DVDD = 5 V, BVDD = 3.3 V, VREF = internal (unless otherwise noted)
DIGITAL SPECIFICATIONS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital inputs
IIH
High-level input current
DVDD = digital inputs
–50
50
A
IIL
Low-level input current
Digital input = 0 V
–50
50
A
Ci
Input capacitance
5
pF
Digital outputs
VOH
High-level output voltage
IOH = –50 A,
BVDD = 3.3 V, 5 V
BVDD–0.5
V
VOL
Low-level output voltage
IOL = 50 A,
BVDD = 3.3 V, 5 V
0.4
V
IOZ
High-impedance-state output current
CS1 = DGND,
CS0 = DVDD
–10
10
A
CO
Output capacitance
5
pF
CL
Load capacitance at databus D0 – D9
30
pF
ELECTRICAL CHARACTERISTICS
over recommended operating conditions, AVDD = DVDD = 5 V, BVDD = 3.3 V, fs = 8 MSPS, VREF = internal (unless otherwise noted)
DC SPECIFICATIONS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
12
Bits
Accuracy
Integral nonlinearity, INL
±1.5
LSB
Differential nonlinearity, DNL
±1
LSB
Offset error
After calibration in single-ended mode
20
LSB
Offset error
After calibration in differential mode
–20
20
LSB
Gain error
–20
20
LSB
Analog input
Input capacitance
15
pF
Input leakage current
VAIN = VREFM to VREFP
±10
A
Internal voltage reference
Accuracy, VREFP
3.3
3.5
3.7
V
Accuracy, VREFM
1.4
1.5
1.6
V
Temperature coefficient
50
PPM/
°C
Reference noise
100
V
Accuracy, REFOUT
2.475
2.5
2.525
V
Power supply
IDDA
Analog supply current
AVDD = DVDD = 5 V, BVDD =3.3 V
38
40
mA
IDDD
Digital supply current
AVDD = DVDD = 5 V, BVDD = 3.3 V
0.5
1
mA
IDDB
Buffer supply current
AVDD = DVDD = 5 V, BVDD = 3.3 V
1.5
4
mA
Power dissipation
AVDD = DVDD = 5 V, BVDD = 3.3 V
188
218
mW
Power dissipation in power down with conversion
clock inactive
AVDD = DVDD = 5 V, BVDD = 3.3 V
0.25
mW
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