Datasheet

LTC2054/LTC2055
7
20545fc
TYPICAL PERFORMANCE CHARACTERISTICS
Common Mode Rejection Ratio
vs Frequency
DC CMRR
vs Common Mode Input Range PSRR vs Frequency
Output Voltage Swing
vs Load Resistance
Output Swing
vs Load Current
Short-Circuit Output Current
vs Supply Voltage
Gain/Phase vs Frequency
Input Bias Current vs Temperature
FREQUENCY (Hz)
20
CMRR (dB)
40
80
120
140
1 100 1k 100k
20545 G01
0
10 10k
60
100
V
S
= 3V OR 5V
V
CM
= 0.5V
P-P
V
CM
(V)
20
CMRR (dB)
40
80
120
140
1340
20545 G02
0
25
60
100
V
S
= 3V
V
S
= 5V
T
A
= 25°C
FREQUENCY (Hz)
10
PSRR (dB)
140
120
100
80
60
40
20
0
–20
–40
100 1k 10k 100k
20545 G03
1M
+PSRR
V
S
= ±2.5V
–PSRR
LOAD RESISTANCE (k)
0
OUTPUT SWING (V)
2
4
20545 G04
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
R
L
TO GND
V
S
= ±5V
V
S
= ±2.5V
V
S
= ±2.5V
V
S
= ±1.5V
V
S
= ±1.5V
V
S
= ±5V
SOURCING OR SINKING LOAD CURRENT (mA)
0
V
+
V
+
– 0.5
V
+
– 1.0
V
+
– 1.5
V
–
+ 1.5
V
–
+ 1.0
V
–
+ 0.5
V
–
3
20545 G05
12 45
OUTPUT SWING (V)
V
S
= ±2.5V
V
S
= ±2.5V
V
S
= ±5V
V
S
= ±5V
V
S
= ±1.5V
V
S
= ±1.5V
TOTAL SUPPLY VOLTAGE, V
+
TO V
–
(V)
345
–6
–8
–10
SHORT-CIRCUIT OUTPUT CURRENT, I
OUT
(mA)
–4
–2
0
2
6
6
879
20545 G06
10 11
4
I
SINK
V
OUT
= V
+
I
SOURCE
V
OUT
= V
–
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
GAIN (dB)
20
40
60
120
100
20545 G07
–20
–40
80
–160
–140
–120
–60
–80
–200
0 –180
–220
–100
PHASE (DEG)
V
S
= ±2.5V
V
IN
= 0.5V
P-P
R
L
= 10k
C
L
= 30pF
C
L
= 50pF
C
L
= 100pF
GAIN
PHASE
TEMPERATURE (°C)
–55
BIAS CURRENT (pA)
155
20545 G08
50
85
120
100000
10000
1000
100
10
1
15–20
V
S
= ±5V