THS1031IPW Datasheet, PDF (5/41 Pages) Texas Instruments – 3-V TO 5.5-V, 10-BIT, 30 MSPS CMOS ANALOG-TO-DIGITAL CONVERTER

THS1031
3-V TO 5.5-V, 10-BIT, 30 MSPS
CMOS ANALOG-TO-DIGITAL CONVERTER
SLAS242E – NOVEMBER 1999 – REVISED MARCH 2002
electrical characteristics over recommended operating conditions, AV_DD = 3 V, DV_DD = 3 V,
f_s = 30 MSPS/50% duty cycle, MODE = AV_DD, 2-V input span from 0.5 V to 2.5 V, external reference,
PGA = 1X, T_A = T_min to T_max (unless otherwise noted)
analog inputs
PARAMETER
VI(AIN)
CI
BW
Analog input voltage
Switched sampling input capacitance
Full power bandwidth (– 3 dB)
Ilkg
DC leakage current (input = ± FS)
VREF reference voltages
PARAMETER
Internal 1-V reference voltage (REFSENSE = VREF)
Internal 2-V reference voltage (REFSENSE = AVSS)
External reference voltage (REFSENSE = AVDD)
Reference input resistance (REFSENSE = AVDD, MODE = AVDD/2)
REFTF, REFBF reference voltages
PARAMETER
TEST CONDITIONS
Differential input voltage (REFTF – REFBF)
Input common mode voltage (REFTF + REFBF)/2
REFTF voltage (MODE = AVDD)
VREF = 1 V
VREF = 2 V
REFBF voltage (MODE = AVDD)
VREF = 1 V
VREF = 2 V
Input resistance between REFTF and REFBF
AVDD = 3 V
AVDD = 5 V
AVDD = 3 V
AVDD = 5 V
AVDD = 3 V
AVDD = 5 V
AVDD = 3 V
AVDD = 5 V
AVDD = 3 V
AVDD = 5 V
MIN
REFBS
TYP MAX
REFTS
1.2
150
100
UNIT
V
pF
MHz
µA
MIN TYP MAX UNIT
0.95
1 1.05 V
1.90
2 2.10 V
1
2V
18
kΩ
MIN TYP MAX UNIT
1
2V
1.3 1.5 1.7
V
2 2.5
3
2
V
3
2.5
V
3.5
1
V
2
0.5
V
1.5
680
Ω
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