THS1209 Datasheet, PDF (3/33 Pages) Texas Instruments – 12-BIT, 2 ANALOG INPUT, 8MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER

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THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
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
Digital inputs
IIH
High-level input current
IIL
Low-level input current
DVDD = digital inputs
–50
Digital input = 0 V
–50
Ci
Input capacitance
5
Digital outputs
VOH
VOL
IOZ
CO
CL
High-level output voltage
Low-level output voltage
High-impedance-state output current
Output capacitance
Load capacitance at databus D0 – D9
IOH = –50 µA, BVDD = 3.3 V, 5 V BVDD–0.5
IOL = 50 µA, BVDD = 3.3 V, 5 V
CS1 = DGND, CS0 = DVDD
–10
5
MAX
50
50
0.4
10
30
UNIT
µA
µA
pF
V
V
µA
pF
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
After calibration in differential mode
20
LSB
–20
20 LSB
Gain error
–20
20 LSB
Analog input
Input capacitance
15
pF
Input leakage current
Internal voltage reference
VAIN = VREFM to VREFP
±10 µA
Accuracy, VREFP
Accuracy, VREFM
Temperature coefficient
3.3 3.5 3.7 V
1.4 1.5 1.6 V
50
PPM/°C
Reference noise
100
µV
Accuracy, REFOUT
2.475 2.5 2.525 V
Power supply
IDDA
IDDD
IDDB
Analog supply current
Digital supply current
Buffer supply current
Power dissipation
Power dissipation in power down with conversion
clock inactive
AVDD = DVDD = 5 V, BVDD =3.3 V
AVDD = DVDD = 5 V, BVDD = 3.3 V
AVDD = DVDD = 5 V, BVDD = 3.3 V
AVDD = DVDD = 5 V, BVDD = 3.3 V
AVDD = DVDD = 5 V, BVDD = 3.3 V
38
40 mA
0.5
1 mA
1.5
4 mA
188 218 mW
0.25
mW
3