THS1240 Datasheet, PDF (4/20 Pages) Texas Instruments – 12-BIT 40 MSPS IF SAMPLING COMMUNICATIONS ANALOG-TO-DIGITAL CONVERTER

THS1240
12-BIT 40 MSPS IF SAMPLING COMMUNICATIONS
ANALOG-TO-DIGITAL CONVERTER
SLAS279D – JUNE 2000 – REVISED JANUARY 2001
electrical characteristics over recommended operating free-air temperature range,
AV_DD = DV_DD = 5 V, DRV_DD = 3.3 V, internal references, CLK = 40 MHz, single-ended clock source
at 40 MHz with 50% duty cycle (unless otherwise noted)
dc accuracy
PARAMETER
DNL
Differential nonlinearity
No missing codes
INL
Integral nonlinearity
EO
Offset error
EG
Gain error
† _{All typical values are at TA = 25°C.}
power supply
PARAMETER
I(AVDD) Analog supply current
I(DVDD) Digital supply current
I(DRVDD) Output driver supply current^‡
PD
Power dissipation
† _{All typical values are at TA = 25°C.}
‡ _{15 pF load on digital outputs}
reference
PARAMETER
VREFOUT _–
VREFOUT+
VREFIN _–
VREFIN+
V(VCM)
Negative reference output voltage
Positive reference output voltage
External reference supplied
External reference supplied
Common mode output voltage
I(VCM)
Common mode output current
† _{All typical values are at TA = 25°C.}
analog input
PARAMETER
RI Differential input resistance
CI Differential input capacitance
VI Analog input common mode range
VID Differential input voltage range
BW Analog input bandwidth (large signal)
† _{All typical values are at TA = 25°C.}
digital outputs
PARAMETER
VOH
VOL
High-level output voltage
Low-level output voltage
CL
Output load capacitance
† _{All typical values are at TA = 25°C.}
TEST CONDITIONS
fIN = 15.5 MHz
fIN = 15.5 MHz
V(VIN+) = V(VIN_) = VCM
MIN TYP^†
–1 ± 0.6
Assured
±2
14
–7
MAX
1.25
70
– 10
UNIT
LSB
LSB
mV
%FSR
TEST CONDITIONS
V(VIN) = (VCM)
V(VIN) = (VCM)
V(VIN) = (VCM)
V(VIN) = (VCM)
MIN TYP^†
73
2
2
380
MAX
110
4
7
UNIT
mA
mA
mA
mW
TEST CONDITIONS
MIN TYP^†
1.9 2
2.9 3
2
3
AVDD/2
80
MAX
2.1
3.1
UNIT
V
V
V
V
V
µA
TEST CONDITIONS
–3 dB
MIN TYP^† MAX
1
4
VCM ± 0.05
2
120
UNIT
kΩ
pF
V
Vp-p
MHz
TEST CONDITIONS
IOH = – 50 µA
IOL = 50 µA
MIN
0.8DRVDD
TYP^† MAX
0.2DRVDD
15
UNIT
V
VDD
pF
4
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