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LT6350CDDPBF Datasheet(PDF) 4 Page - Linear Technology

Part # LT6350CDDPBF
Description  Low Noise Single-Ended to Differential Converter/ADC Driver
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT6350CDDPBF Datasheet(HTML) 4 Page - Linear Technology

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LT6350
4
6350f
ELECTRICAL CHARACTERISTICS The l denotes specifications that apply over the full specified temperature range,
otherwise specifications are at TA = 25°C. Unless noted otherwise, V+ = 5V, V– = 0V, V+IN1 = V2 = Mid-Supply, VSHDN = V+, RL = OPEN, RF =
SHORT, RG = OPEN. VS is defined as (V+ – V–). VOUTCM is defined as (VOUT1 + VOUT2)/2. VOUTDIFF is defined as (VOUT1 – VOUT2). See Figure 1.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CIN
Input Capacitance
Single-Ended Input at +IN1
1.8
pF
CMRR1
Common Mode Rejection Ratio, Op Amp 1 VS = 5V, V+IN1 = V–IN1 = V– +1.5V to V+
VS = 5V, V+IN1 = V–IN1 = V– +1.5V to V+
VS = 5V, V+IN1 = V–IN1 = V– to V+
VS = 3V, V+IN1 = V–IN1 = V– to V+
l
l
l
82
77
72
67
94
94
88
82
dB
dB
dB
dB
CMRR2
Common Mode Rejection Ratio, Op Amp 2 VS = 5V, V+IN1 = V2 = V–+1.5V to V+ –0.1V
VS = 3V, V+IN1 = V2 = V–+1.5V to V+ –0.1V
VS = 10V, V+IN1 = V2 = V–+1.5V to V+ –0.1V
l
l
l
93
85
96
118
110
118
dB
dB
dB
PSRR
Power Supply Rejection Ratio (ΔVS/
ΔVOSDIFF)
VS = 2.7V to 12V
l
80
108
dB
VS
Supply Voltage (Note 7)
l
2.7
12
V
BAL
Output Balance (ΔVOUTDIFF/ΔVOUTCM) (Note
8)
VOUTDIFF = 2V
l
50
68
dB
GAIN
Closed-Loop Gain (ΔVOUTDIFF/Δ(V+IN1
–V2))
Δ(V+IN1 –V2) = 4V
l
2V/V
GAINERR
Closed-Loop Gain Error
l
–0.6
±0.08
0.6
%
ΔGAINERR/ΔT Closed-Loop Gain Error Drift
l
3
ppm/°C
INL
DC Linearity (Note 9)
V+ = 5V, V– = 0V
V+ = 5V, V– = –2V
V+ = 5V, V– = –2V, 16-Bit, 8VP-P
230
125
±1
μV
μV
LSB
RINT
Internal Resistors
1000
Ω
VOH
Output Swing to V+, Either Output (Note
10)
No load
Sourcing 12.5mA
l
l
55
360
170
750
μV
μV
VOL
Output Swing to V–, Either Output (Note
10)
No load
Sourcing 12.5mA
l
l
55
260
170
460
mV
mV
ISC
Output Short Circuit Current
V+IN1 = Mid-Rail ±200mV, V–IN1 = Mid-Rail
VS = 5V
VS = 5V
VS = 3V
l
l
±27
±15
±15
±45
±45
±40
mA
mA
mA
VIL
SHDN Input Logic Low
VS = 2.7V to 12V
l
V– + 0.3
V
VIH
SHDN Input Logic High
VS = 2.7V to 12V
l V– + 2.0
V
ISHDN
SHDN Pin Current
SHDN = V+
SHDN = V–
l
l
–1
–45
–20
1μA
μA
IS
Supply Current
VS = 3V
VS = 5V
VS = 5V
VS = 10V
l
l
l
4.5
4.8
5.4
8.1
5.8
8.3
10.4
mA
mA
mA
mA
IS(SHDN)
Supply Current in Shutdown
VS = 3V, VSHDN = VIL
VS = 5V, VSHDN = VIL
VS = 10V, VSHDN = VIL
l
l
l
43
60
70
220
240
260
μA
μA
μA
GBW
Gain-Bandwidth Product
Frequency = 1MHz
Op Amp 1 (Non-Inverting)
Op Amp 2 (Inverting)
85
115
MHz
MHz
BW
Differential –3dB Small Signal Bandwidth
VOUTDIFF = 100mVP-P
VOUTDIFF = 100mVP-P
l
23
19
33
MHz
MHz



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