THS3122 Datasheet, PDF (4/20 Pages) Texas Instruments – LOW-NOISE, HIGH-SPEED, 450 mA CURRENT FEEDBACK AMPLIFIERS

THS3122
THS3125
SLOS382 − SEPTEMBER 2001
electrical characteristics over recommended operating free-air temperature range, T_A = 25°C,
V_CC = ±15 V, R_F = 750 Ω, R_L = 100 Ω (unless otherwise noted) (continued)
dc performance
PARAMETER
Input offset voltage
VIO
Channel offset voltage matching
Offset drift
IN− Input bias current
IIB
IN+ Input bias current
IIO
Input offset current
ZOL
Open loop transimpedance
TEST CONDITIONS
VIC = 0 V,
VO = 0 V,
VCC = ±5 V,
VCC = ±15 V
VIC = 0 V,
VO = 0 V,
VCC = ±5 V,
VCC = ±15 V
TA = 25°C
TA = full range
TA = 25°C
TA = full range
TA = full range
TA = 25°C
TA = full range
TA = 25°C
TA = full range
VIC = 0 V,
VO = 0 V,
VCC = ±5 V,
VCC = ±15 V
VCC = ±5 V,
VCC = ±15 V
TA = 25°C
TA = full range
RL = 1 kΩ,
input characteristics
PARAMETER
VICR Input common-mode voltage range
CMRR Common-mode rejection ratio
RI
Input resistance
Ci
Input capacitance
TEST CONDITIONS
VCC = ±5 V
VCC = ± 15 V
VCC = ±5 V,
VI = −2.5 V to 2.5 V
VCC = ±15 V,
VI = −12.5 V to 12.5 V
IN+
TA = full range
TA = 25°C
TA = full range
TA = 25°C
TA = full range
IN−
output characteristics
PARAMETER
VO
Output voltage swing
IO
Output current drive
ro
Output resistance
TEST CONDITIONS
G = 4, VI = 1.06 V,
VCC = ±5 V
RL = 1 kΩ,
G = 4, VI = 1.025 V,
VCC = ±5 V
RL = 50 Ω,
G = 4, VI = 3.6 V,
VCC = ±15 V
RL = 1 kΩ,
G = 4, VI = 3.325 V,
VCC = ±15 V
RL = 50 Ω,
G = 4, VI = 1.025 V,
VCC = ±5 V
G = 4, VI = 3.325 V,
VCC = ±15 V
RL = 10 Ω,
RL = 25 Ω,
open loop
TA = 25°C
TA = 25°C
TA = full range
TA = 25°C
TA = 25°C
TA = full range
TA = 25°C
TA = 25°C
TA = 25°C
MIN TYP
4.4
0.4
10
6
0.33
5.4
1
MIN
±2.5
± 12.5
58
56
63
60
TYP
±2.7
±12.7
62
67
1.5
15
2
MIN TYP
4.1
3.8
4
3.7
14.2
12 13.3
11.5
200 280
360 440
14
MAX
6
8
2
3
23
30
2
3
22
30
MAX
MAX
UNIT
mV
µV/°C
µA
µA
MΩ
UNIT
V
dB
MΩ
Ω
pF
UNIT
V
V
V
mA
mA
Ω
4
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