MAX3798ETJ+ Maxim Integrated Products, MAX3798ETJ+ Datasheet - Page 24

• Manufacturer Part Number: MAX3798ETJ+
• Description: IC LIMITING AMP/VCSEL DVR 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX3798ETJ+

• Amplifier Type: Limiting
• Number Of Circuits: 1
• Output Type: Differential
• Current - Supply: 97mA
• Voltage - Supply, Single/dual (±): 2.85 V ~ 3.63 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Operating Temperature Range: + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• -3db Bandwidth: -
• Slew Rate: -
• Gain Bandwidth Product: -
• Current - Input Bias: -
• Voltage - Input Offset: -
• Lead Free Status / Rohs Status: Details

1.0625Gbps to 10.32Gbps, Integrated, Low-
Power SFP+ Limiting Amplifier and VCSEL Driver
Bit 3: TXDE_EN. Enables or disables the transmit output deemphasis circuitry.
Bit 2: SOFTRES. Resets all registers to their default values.
Bit 1: TX_POL. Controls the polarity of the transmit signal path.
Bit 0: TX_EN. Enables or disables the transmit circuitry.
Bit 7: FST[7]. When the V
supply voltage is above 2.55V, the POR resets all registers to their default values and the FAULT is cleared.
Bit 6: FST[6]. When the voltage at BMON is above V
Bit 5: FST[5]. When the voltage at MMAX goes below V
Bit 4: FST[4]. When the voltage at BMAX goes below V
Bit 3: FST[3]. When the common-mode voltage at V
Bit 2: FST[2]. When the voltage at V
Bit 1: FST[1]. When the BIAS voltage goes below 0.44V, a HARD FAULT is reported.
Bit 0: TX_FAULT. Copy of a FAULT signal in FST[7] to FST[1]. A POR resets FST[7:1] to 0.
Bit 3: IMODERR. When the modulation-incremented result is greater than IMODMAX, a SOFT FAULT is reported.
(See the Programming Modulation Current section.)
Bit #
Name
Default Value
Bit #
Name
Default Value
Bit #
Name
Default Value
24
0 = disabled
1 = enabled
0 = normal
1 = reset
0 = inverse
1 = normal
0 = disabled
1 = enabled
______________________________________________________________________________________
(STICKY)
FST[7]
7
X
7
X
X
7
X
X
(STICKY)
CCT
FST[6]
6
X
6
X
X
6
X
X
supply voltage is below 2.45V, the POR circuitry reports a FAULT. Once the V
TOUT
(STICKY)
FST[5]
+/- goes below 0.8V, a HARD FAULT is reported.
5
X
5
X
X
5
X
X
(STICKY)
FST[5]
TOUT
CC
X
X
X
X
X
4
4
4
CC
CC
- 0.55V, a SOFT FAULT is reported.
+/- goes below 1.5V, a SOFT FAULT is reported.
- 0.65V, a HARD FAULT is reported.
- 0.65V, a HARD FAULT is reported.
IMODERR
(STICKY)
(STICKY)
TXDE_EN
FST[3]
X
X
3
3
3
0
IBIASERR
SOFTRES
(STICKY)
(STICKY)
Transmitter Status Register 1 (TXSTAT1)
Transmitter Status Register 2 (TXSTAT2)
FST[2]
Transmitter Control Register (TXCTRL)
2
X
2
X
2
0
(STICKY)
(STICKY)
TX_POL
FST[1]
TXED
1
X
1
X
1
1
TX_FAULT
(STICKY)
(STICKY)
TX_EN
X
X
X
0
1
0
0
ADDRESS
ADDRESS
ADDRESS
H0x06
H0x07
H0x05
CCT