LT6230 Datasheet, PDF (11/24 Pages) Linear Technology – 215MHz, Rail-to-Rail Output, 1.1nV/ root Hz, 3.5mA Op Amp Family

LT6230/LT6230-10/
LT6231/LT6232
TYPICAL PERFOR A CE CHARACTERISTICS
(LT6230/LT6231/LT6232)
Output Saturation Voltage vs
Load Current (Output High)
10 _{VS = 5V, 0V}
1
T_A = 125°C
0.1
T_A = –55°C
0.01
T_A = 25°C
0.001
0.01
0.1
1
10
LOAD CURRENT (mA)
100
623012 G07
Minimum Supply Voltage
1.0 _{VCM = VS/2}
0.8
0.6
0.4
0.2
0
–0.2
T_A = –55°C
–0.4
T_A = 125°C
–0.6
–0.8
T_A = 25°C
–1.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
TOTAL SUPPLY VOLTAGE (V)
623012 G08
Output Short Circuit Current vs
Power Supply Voltage
70
60
50
SINKING
40
30
T_A = 125°C
T_A = 25°C
20
T_A = –55°C
10
0
–10 SOURCING
–20
T_A = 125°C
–30
T_A = –55°C
–40
–50
–60
T_A = 25°C
–70
1.5 2 2.5 3 3.5 4 4.5 5
POWER SUPPLY VOLTAGE (±V)
623012 GO9
Open Loop Gain
2.5
V_S = 3V, 0V
2.0
T_A = 25°C
1.5
1.0
0.5
R_L = 1k
0
–0.5
R_L = 100Ω
–1.0
–1.5
–2.0
–2.5
0 0.5 1 1.5 2 2.5 3
OUTPUT VOLTAGE (V)
623012 G10
Offset Voltage vs Output Current
2.0 _{VS = ±5V}
1.5
1.0
T_A = –55°C
0.5
0
T_A = 25°C
–0.5
T_A = 125°C
–1.0
–1.5
–2.0
–75 –60 –45 –30 –15 0 15 30 45 60 75
OUTPUT CURRENT (mA)
623012 G13
Open Loop Gain
2.5
V_S = 5V, 0V
2.0
T_A = 25°C
1.5
1.0
0.5
R_L = 1k
0
–0.5
R_L = 100Ω
–1.0
–1.5
–2.0
–2.5
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
OUTPUT VOLTAGE (V)
623012 G11
Warm-Up Drift vs Time
30 _{TA = 25°C}
28
26
V_S = ±5V
24
22
V_S = ±2.5V
20
18
V_S = ±1.5V
16
14
12
10
0 20 40 60 80 100 120 140 160
TIME AFTER POWER-UP (s)
623012 G14
Open Loop Gain
2.5
V_S = ±5V
2.0
T_A = 25°C
1.5
1.0
0.5
R_L = 1k
0
–0.5
R_L = 100Ω
–1.0
–1.5
–2.0
–2.5
–5 –4 –3 –2 –1 0 1 2 3 4 5
OUTPUT VOLTAGE (V)
623012 G12
Total Noise vs Total Source
Resistance
100
V_S = ±2.5V
V_CM = 0V
f = 100kHz
UNBALANCED
SOURCE
10 RESISTORS
TOTAL NOISE
RESISTOR NOISE
1
AMPLIFIER NOISE VOLTAGE
0.1
10
100
1k
10k
SOURCE RESISTANCE (Ω)
100k
623012 G15
sn623012 623012fas
11