OPA335 Datasheet, PDF (9/32 Pages) Burr-Brown (TI) – 0.05UV/°C max, SINGLE-SUPPLY CMOS OPERATIONAL AMPLIFIERS

+5V
+
0.1µF
REF3040
D1
––
4.096V
R₁
6.04kΩ
R₅
31.6kΩ
R₂
2.94kΩ
R₂
549Ω
R₉
150kΩ
+5V
0.1µF
++
K-Type
R₆
200Ω
OPA335
V_O
Thermocouple
40.7µV/°C
R₄
6.04kΩ
R₃
60.4Ω
Zero Adj.
FIGURE 3. Temperature Measurement Circuit.
I_IN
Photodiode
R₁
+2.5V
1MΩ
OPA343
–2.5V
C₁
+2.5V
OPA335
–2.5V
a. Split Supply.
R₂
C₂
FIGURE 4. Auto-Zeroed Transimpedance Amplifier.
I_IN
Photodiode
R₁
+5V
OPA343
1MΩ
C₁
+5V
NOTE: (1) Optional pull-down
resistor to allow below
ground output swing.
OPA335
R₂
40kΩ⁽¹⁾
C₂
–5V
b. Single Supply.
V_EX
RR
RR
R₁
+5V
OPA335
V_OUT
V_EX = +2.5V
R₁ = 105Ω
Select R₁ so bridge
output ≤ V_CMmax.
300Ω
Bridge
@ V_S = 2.7V,
V_CMmax = 1.2V
R₂
+2.7V
OPA335
R₁
a. 5V Supply Bridge Amplifier.
V_REF
FIGURE 5. Single Op Amp Bridge Amplifier Circuits.
R₂
b. 2.7V Supply Bridge Amplifier.
OPA334, OPA2334, OPA335, OPA2335
SBOS245D
www.ti.com
V_OUT
V_REF
9