Datasheet TC7652 (Microchip) - 3

FabricanteMicrochip
DescripciónTC7652 is a lower noise version of the TC7650, sacrificing some input specifications (bias current and bandwidth) to achieve a 10x reduction in noise
Páginas / Página18 / 3 — TC7652. 1.0. ELECTRICAL. CHARACTERISTICS. ABSOLUTE MAXIMUM RATINGS*. Note …
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TC7652. 1.0. ELECTRICAL. CHARACTERISTICS. ABSOLUTE MAXIMUM RATINGS*. Note 1. TC7652 ELECTRICAL SPECIFICATIONS

TC7652 1.0 ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS* Note 1 TC7652 ELECTRICAL SPECIFICATIONS

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TC7652 1.0 ELECTRICAL
*Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
CHARACTERISTICS
These are stress ratings only and functional operation of the device at these or any other conditions above those indi-
ABSOLUTE MAXIMUM RATINGS*
cated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions Total Supply Voltage (VDD to VSS) ...+18V for extended periods my affect device reliability. Input Voltage .. (VDD +0.3V) to (VSS – 0.3V) Voltage on Oscillator Control Pins...VDD to VSS Duration of Output Short Circuit ...Indefinite Current Into Any Pin.. 10mA While Operating (
Note 1
).. 100A Package Power Dissipation (TA < 70°C 8-Pin Plastic DIP ... 730mW 14-Pin Plastic DIP ... 800mW Storage Temperature Range .. -65°C to +150°C Operating Temperature Range C Device .. 0°C to +70°C I Device ... -25°C to +85°C
TC7652 ELECTRICAL SPECIFICATIONS Electrical Characteristics:
VDD = +5V, VSS = -5V, TA = +25°C, unless otherwise indicated.
Symbol Parameter Min Typ Max Units Test Conditions
VOS Input Offset Voltage — ±2 ±5 V TA = +25°C TCVOS Average Temperature Co-efficient of — 0.01 0.05 V/°C 0°C < TA < +70°C Input Offset Voltage VOS/DT Offset Voltage vs Time — 150 — nV/mo IBIAS Input Bias Current (CLK On) — 30 100 pA TA = +25°C — 100 — 0°C < TA < +70°C — 250 1000 -25°C < TA < +85°C IBIAS Input Bias Current (CLK Off) — 15 30 pA TA = +25°C — 35 — 0°C < TA < +70°C — 100 1000 -25°C < TA < +85°C IOS Input Offset Current — 25 150 pA RIN Input Resistance — 1012 — OL Large Signal Voltage Gain 120 150 — dB RL = 10k, VOUT = ±4V VOUT Output Voltage Swing (
Note 2
) ±4.7 ±4.85 — V RL = 10k — ±4.95 — RL = 100k CMVR Common Mode Voltage Range -4.3 — +3.5 V MRR Common Mode Rejection Ratio 120 140 — dB CMVR = -4.3V to +3.5V PSRR Power Supply 120 140 — dB ±3V to ±8V e  N Input Noise Voltage — 0.2 1.5 VP-P RS = 100, DC to 1Hz — 0.7 5 VP-P DC to 10Hz IN Input Noise Current — 0.01 — pA/ f= 10Hz Hz GBW Unity Gain Bandwidth — 0.4 — MHz SR Slew Rate — 1 — V/sec CL = 50pF, RL = 10k Overshoot — 15 — % VDD, VSS Operating Supply Range 5 — 16 V
Note 1:
Limiting input current to 100A is recommended to avoid latch-up problems. Typically 1mA is safe however, this is not guaranteed.
2:
Output clamp not connected. See typical characteristics curves for output swing versus clamp current characteristics.
3:
See “Output Clamp” under detailed description.  2001-2012 Microchip Technology Inc. DS21464C-page 3 Document Outline 1.0 Electrical Characteristics 2.0 pin descriptions TABLE 2-1: pin function table 3.0 detailed description 3.1 Capacitor Connection 3.2 Output Clamp 3.3 Clock Figure 3-1: TEST CIRCUIT 4.0 TYPICAL APPLICATIONS 4.1 Component Selection 4.2 Static Protection 4.3 Output Stage/Load Driving Figure 4-1: CONNECTION OF INPUT GUARDS 4.4 Thermoelectric Effects 4.5 Guarding 4.6 Pin Compatibility 4.7 Some Applications Figure 4-2: Noninverting amplifier with optional clamp Figure 4-3: inverting amplifier with optional clamp Figure 4-4: using 741 to boost output drive capability Figure 4-5: low offset comparator Figure 4-6: 1437 offset nulled by tc7652 Figure 4-7: splitting +15v with the 7660 at >95% efficiency 5.0 typical characteristics 6.0 packaging information 6.1 Package Marking Information 6.2 Package Dimensions 7.0 Revision History Corporate Office Atlanta Boston Chicago Cleveland Fax: 216-447-0643 Dallas Detroit Indianapolis Toronto Fax: 852-2401-3431 Australia - Sydney China - Beijing China - Shanghai India - Bangalore Korea - Daegu Korea - Seoul Singapore Taiwan - Taipei Fax: 43-7242-2244-393 Denmark - Copenhagen France - Paris Germany - Munich Italy - Milan Spain - Madrid UK - Wokingham Worldwide Sales and Service