SPT9110 Просмотр технического описания (PDF) - Cadeka Microcircuits LLC.
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SPT9110 Datasheet PDF : 11 Pages
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ELECTRICAL SPECIFICATIONS
AVCC = +5.0 V, AGND = 0.0 V, Output Load = 1 kΩ and 10 pF, VIN = 2.0 Vp-p,Internal Reference, unless otherwise specified.
PARAMETERS
TEST
CONDITIONS
TEST
LEVEL
SPT9110
MIN
TYP
MAX
Track Mode Dynamics
Bandwidth (-3 dB)
+25 °C
Single Ended Out
V
220
Differential Out
V
140
Slew Rate 2.0 Vp-p Output Step
+25 °C
Single Ended Out
20 pF Load
IV
580
Differential Out7
20 pF Load
IV
800
Input RMS Spectral Noise
Single Ended
V
3.5
Differential
V
13.0
Track-to-Hold Switching
Aperture Delay
+25 °C
V
250
Aperture Jitter
+25 °C
V
<1
Pedestal Offset
+25 °C
IV
±12
Full Temperature
V
±12
Hold Mode Dynamics4 (VIN = 1 Vp-p)
Worst Harmonic
5 MHz, 50 MSPS, Single-Ended
TA = +25 °C
IV
TA = -40 °C to +85 °C
V
Worst Harmonic
5 MHz, 50 MSPS, Differential
TA = +25 °C
IV
TA = -40 °C to +85 °C
V
Worst Harmonic
25 MHz, 50 MSPS, Single-Ended TA = +25 °C
V
TA = -40 °C to +85 °C
V
Worst Harmonic
25 MHz, 50 MSPS, Differential
TA = +25 °C
V
TA = -40 °C to +85 °C
V
Worst Harmonic
50 MHz, 100 MSPS, Single-Ended TA = +25 °C
IV
TA = -40 °C to +85 °C
V
Worst Harmonic
50 MHz, 100 MSPS, Differential
TA = +25 °C
IV
TA = -40 °C to +85 °C
V
Sampling Bandwidth5 (-3 dB)
+25 °C
V
VIN = 2.0 Vp-p
Hold Noise6 (RMS)
+25 °C
V
Droop Rate, VIN = +2.5 V
+25 °C
IV
Full Temperature
IV
Feedthrough Rejection (50 MHz)
Full Temperature
V
VIN= 2 Vp-p
-64
-68
-64
-61
-65
-63
-66
-63
-64
-60
-54
-58
-54
-50
-54
-50
400
300 x tH
±40
±80
-65
UNITS
MHz
MHz
V/µs
V/µs
nV/ Hz
nV/ Hz
ps
ps rms
mV
mV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
MHz
mV/s
mV/µs
mV/µs
dB
4. For hold times longer than 50 ns, the input common mode voltage may affect the hold mode distortion. (This is due to nonlinear
droop that varies with VCM.) For optimal performance, CADEKA recommends that the held output signal be used within 50 ns of the
application of the hold signal.
5. Sampling bandwidth is defined as the -3 dB frequency response of the input sampler to the hold capacitor when operating in the
sampling mode. It is greater than tracking bandwidth because it does not include the bandwidth of the output amplifier.
6. Hold mode noise is proportional to the length of time a signal is held. This value must be combined with the track mode noise to
obtain total noise.
7. Optimized for hold mode performance and low power.
SPT9110
3
11/12/98
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