OPA1S2384 Datasheet, PDF (3/23 Pages) Texas Instruments – 250-MHz, CMOS Transimpedance Amplifier (TIA) with Integrated Switch and Buffer

OPA1S2384
OPA1S2385
www.ti.com
SBOS645A – DECEMBER 2012 – REVISED JUNE 2013
ELECTRICAL CHARACTERISTICS: Amplifier Section, V_SS = +2.7 V to +5.5 V⁽¹⁾⁽²⁾
At T_A = +25°C, R_L = 1 kΩ connected to V_S / 2, and V_O = V_CM = V_S / 2, unless otherwise noted.
OPA1S238x
PARAMETER
CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
V_OS
ΔV_OS/ΔT
PSRR
Input offset voltage
Input offset voltage vs temperature
Input offset voltage vs power supply
Channel separation
T_A = –40°C to +85°C
V_CM = (V_S / 2) – 0.65 V
f = 5 MHz
2
8
6
0.2
0.8
33
INPUT VOLTAGE RANGE
V_CM
CMRR
Common-mode voltage range
Common-mode rejection ratio
INPUT BIAS CURRENT
No phase reversal, rail-to-rail input
V_S = 5.5 V, (V–) – 0.1 V < V_CM < (V+) – 2 V
V_S = 3.3 V, (V–) – 0.1 V < V_CM < (V+) + 0.1 V
(V–) – 0.1
66
50
(V+) + 0.1
80
68
I_B
I_OS
NOISE
Input bias current
Input offset current
±3
±50
±1
±50
f = 1 MHz
6
Input noise voltage density
f = 10 MHz
26
Input current noise density
f = 1 MHz
50
INPUT CAPACITANCE
Differential
2
Common-mode
2
OPEN-LOOP GAIN
A_OL
Open-loop voltage gain
FREQUENCY RESPONSE
V_S = 2.7 V, 0.3 V < V_O < (V+) – 0.3 V, R_L = 1 kΩ
V_S = 5.5 V, 0.3 V < V_O < (V+) – 0.3 V, R_L = 1 kΩ
T_A = –40°C to +85°C
V_S = 5.5 V, 0.3 V < V_O < (V+) – 0.3 V, R_L = 1 kΩ
88
100
90
110
84
Gain bandwidth product
V_S = 3.3 V, R_L = 1 kΩ, C_L = 10 pF, G = 10
90
V_S = 5.0 V, R_L = 1 kΩ, C_L = 10 pF, G = 10
100
Small-signal bandwidth
V_S = 5.0 V, G = 1, V_O = 0.1 V_PP, R_F = 25 Ω
250
V_S = 5.0 V, G = 2, V_O = 0.1 V_PP, R_F = 25 Ω
90
V_S = 3.3 V, G = 1, 2-V step
110
SR
Slew rate
V_S = 5 V, G = 1, 2-V step
130
V_S = 5 V, G = 1, 4-V step
150
t_r
Rise time
V_S = 5 V, G = 1, V_O = 2 V_PP, 10% to 90%
11
t_f
Fall time
V_S = 5 V, G = 1, V_O = 2 V_PP, 90% to 10%
11
t_s
Settling time
To 0.1%, V_S = 3.3 V, G = 1, 2-V step
To 0.01%, V_S = 3.3 V, G = 1, 2-V step
30
60
Overload recovery time
V_S = 3.3 V, V_IN × gain = V_S
5
OUTPUT
Voltage output swing from supply rails V_S = 5.5 V, R_L = 1 kΩ
100
Short-circuit current
V_S = 5.0 V
100
V_S = 3.3 V
50
Closed-loop output impedance
0.05
Open-loop output impedance
35
UNIT
mV
µV/°C
mV/V
µV/V
V
dB
dB
pA
pA
nV/√Hz
nV/√Hz
fA/√Hz
pF
pF
dB
dB
dB
MHz
MHz
MHz
MHz
V/µs
V/µs
V/µs
ns
ns
ns
ns
ns
mV
mA
mA
Ω
Ω
(1) Parameters with MIN and MAX specification limits are 100% production tested at +25ºC, unless otherwise noted. Over temperature
limits are based on characterization and statistical analysis.
(2) Specified by design and/or characterization; not production tested.
Copyright © 2012–2013, Texas Instruments Incorporated
Submit Documentation Feedback
3
Product Folder Links: OPA1S2384 OPA1S2385