Linear Technology LTC2364-18 with LTC6655-5/LT6202: 18-Bit, 250ksps, Pseudo-Differential Unipolar SAR ADC with 97dB SNR. Req DC718 or DC59 DC1813A-H Ficha De Dados
Códigos do produto
DC1813A-H
LT6202/LT6203/LT6204
5
620234fd
ELECTRICAL CHARACTERISTICS
T
A
= 25°C, V
S
=5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply,
unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
SC
Short-Circuit Current
V
S
= 5V
V
S
= 3V
±30
±25
±45
±40
mA
mA
I
S
Supply Current per Amp
V
S
= 5V
V
S
= 3V
2.5
2.3
3.0
2.85
mA
mA
GBW
Gain Bandwidth Product
Frequency = 1MHz, V
S
= 5V
90
MHz
SR
Slew Rate
V
S
= 5V, A
V
= –1, R
L
= 1k, V
O
= 4V
17
24
V/µs
FPBW
Full Power Bandwidth (Note 9)
V
S
= 5V, V
OUT
= 3V
P-P
1.8
2.5
MHz
t
S
Settling Time
0.1%, V
S
= 5V, V
STEP
= 2V, A
V
= –1, R
L
= 1k
85
ns
The
l
denotes the specifications which apply over 0°C < T
A
< 70°C temperature range. V
S
= 5V, 0V; V
S
= 3V, 0V;
V
CM
= V
OUT
= half supply, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
OS
Input Offset Voltage
V
S
= 5V, 0V, V
CM
= Half Supply
LT6203, LT6204, LT6202S8
LT6202 TSOT-23
l
l
0.2
0.2
0.7
0.9
mV
mV
V
S
= 3V, 0V, V
CM
= Half Supply
LT6203, LT6204, LT6202S8
LT6202 TSOT-23
l
l
0.6
0.6
1.7
1.9
mV
mV
V
S
= 5V, 0V, V
CM
= V
+
to V
–
LT6203, LT6204, LT6202S8
LT6202 TSOT-23
l
l
0.7
0.7
2.5
2.7
mV
mV
V
S
= 3V, 0V, V
CM
= V
+
to V
–
LT6203, LT6204, LT6202S8
LT6202 TSOT-23
l
l
1.2
1.2
4.0
4.2
mV
mV
V
OS
TC
Input Offset Voltage Drift (Note 8)
V
CM
= Half Supply
l
3.0
9.0
µV/°C
Input Offset Voltage Match
(Channel-to-Channel) (Note 5)
V
CM
= Half Supply
V
CM
= V
–
to V
+
l
l
0.15
0.5
0.9
2.3
mV
mV
I
B
Input Bias Current
V
CM
= Half Supply
V
CM
= V
+
V
CM
= V
–
l
l
l
–7.0
–8.8
–1.3
1.3
–3.3
2.5
µA
µA
µA
∆I
B
I
B
Shift
V
CM
= V
–
to V
+
l
4.7
11.3
µA
I
B
Match (Channel-to-Channel) (Note 5)
l
0.1
0.6
µA
I
OS
Input Offset Current
V
CM
= Half Supply
V
CM
= V
+
V
CM
= V
–
l
l
l
0.15
0.10
0.15
1
1
1.1
µA
µA
µA
A
VOL
Large Signal Gain
V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k to V
S
/2
V
S
= 5V, V
O
= 1.5V to 3.5V, R
L
= 100 to V
S
/2
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
= 1k to V
S
/2
l
l
l
35
6.0
15
60
12
36
V/mV
V/mV
V/mV
CMRR
Common Mode Rejection Ratio
V
S
= 5V, V
CM
= V
–
to V
+
V
S
= 5V, V
CM
= 1.5V to 3.5V
V
S
= 3V, V
CM
= V
–
to V
+
l
l
l
60
78
56
83
97
75
dB
dB
dB
CMRR Match (Channel-to-Channel) (Note 5)
V
S
= 5V, V
CM
= 1.5V to 3.5V
l
83
100
dB
PSRR
Power Supply Rejection Ratio
V
S
= 3V to 10V, V
CM
= 0V
l
60
70
dB
PSRR Match (Channel-to-Channel) (Note 5)
V
S
= 3V to 10V, V
CM
= 0V
l
70
100
dB
Minimum Supply Voltage (Note 6)
l
3.0
V
V
OL
Output Voltage Swing LOW Saturation
(Note 7)
No Load
I
SINK
= 5mA
I
SINK
= 15mA
l
l
l
5.0
95
260
60
200
365
mV
mV
mV