THS3122 Datasheet, PDF (6/43 Pages) Texas Instruments – LOW-NOISE, HIGH-SPEED, 450 mA CURRENT FEEDBACK AMPLIFIERS

THS3122, THS3125
SLOS382E – SEPTEMBER 2001 – REVISED MAY 2015
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7.6 Electrical Characteristics: DC Performance
Over operating free-air temperature range, T_A = +25°C, V_CC = ±15 V, R_F = 750 Ω, and R_L = 100 Ω (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
V_IO
Input offset voltage
V_IC = 0 V, V_O = 0 V,
V_CC = ±5 V, V_CC = ±15 V
Channel offset voltage matching
V_IC = 0 V, V_O = 0 V,
V_CC = ±5 V, V_CC = ±15 V
Offset drift
V_IC = 0 V, V_O = 0 V,
V_CC = ±5 V, V_CC = ±15 V
IN- Input bias current
I_IB
IN+ Input bias current
V_IC = 0 V, V_O = 0 V,
V_CC = ±5 V, V_CC = ±15 V
V_IC = 0 V, V_O = 0 V,
V_CC = ±5 V, V_CC = ±15 V
I_IO
Input offset current
Z_OL
Open-loop transimpedance
V_IC = 0 V, V_O = 0 V,
V_CC = ±5 V, V_CC = ±15 V
V_CC = ±5 V, V_CC = ±15 V
T_A = +25°C
T_A = full range
T_A = +25°C
T_A = full range
T_A = full range
T_A = +25°C
T_A = full range
T_A = +25°C
T_A = full range
T_A = +25°C
T_A = full range
R_L = 1 kΩ
6 ±20 mV
±25 mV
1
3 mV
4 mV
10
µV/°C
6 23 µA
30 µA
0.33
2 µA
3 µA
5.4 22 µA
30 µA
1
MΩ
7.7 Electrical Characteristics: Input Characteristics
Over operating free-air temperature range, T_A = +25°C, V_CC = ±15 V, R_F = 750 Ω, and R_L = 100 Ω (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
V_ICR
Input common-mode voltage range ^{VCC = ±5 V}
V_CC= ±15 V
T_A = full range
±2.5 ±2.7
V
T_A = full range ±12.5 ±12.7
V
CMRR Common-mode rejection ratio
V_CC = ±5 V, V_I = –2.5 V to +2.5 V
T_A = +25°C
T_A = full range
58
62
56
dB
dB
V_CC = ±15 V, V_I = –12.5 V to +12.5 V
T_A = +25°C
T_A = full range
63
67
60
dB
dB
IN+
R_I
Input resistance
IN–
1.5
MΩ
15
Ω
C_I
Input capacitance
2
pF
7.8 Electrical Characteristics: Output Characteristics
Over operating free-air temperature range, T_A = +25°C, V_CC = ±15 V, R_F = 750 Ω, and R_L = 100 Ω (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
G = 4, V_I = 1.06 V, V_CC = ±5 V,
R_L = 1 kΩ T_A = +25°C
4.1
V
V_O Output voltage swing
G = 4, V_I = 1.025 V, V_CC= ±5 V,
G = 4, V_I = 3.6 V, V_CC= ±15 V,
R_L = 50Ω
R_L = 1 kΩ
T_A = +25°C
T_A = full range
T_A = +25°C
3.8
4
3.7
14.2
V
V
V
G = 4, V_I = 3.325 V, V_CC= ±15 V,
R_L = 50Ω
T_A = +25°C
T_A = full range
12 13.3
11.5
V
V
I_O Output current drive
G = 4,
G = 4,
V_I = 1.025 V, V_CC= ±5 V,
V_I = 3.325 V, V_CC = ±15 V,
R_L = 10 Ω T_A = +25°C
R_L = 25 Ω T_A = +25°C
200
280
360
440
mA
mA
r_o Output resistance
Open loop
T_A = +25°C
14
Ω
6
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