Part A
AD7606BBSTZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6359 Stückzahl
- Package
- LQFP-64
- Series
- Datenerfassung von ADCs-DACs für besonderen Zweck
Replacement verdict
Compatible functional replacement candidate
The AD7606BBSTZ and AD7606BSTZ-RL are functionally compatible 8-channel, 16-bit bipolar simultaneous-sampling ADCs in the same 64-lead LQFP package with identical pinout and on-chip oversampling, digital filter, and parallel/serial interface architecture. The AD7606BBSTZ is the newer revision offering improved performance specifications, while the AD7606BSTZ-RL is the established revision supplied in tape-and-reel format. Designers should validate the specific AC and DC performance requirements against the respective datasheet before substituting one for the other in an existing design.
Channel Count and Resolution
High match
Package and Pinout
High match
Supply Voltage and Interface
High match
AC and DC Performance Specifications
Validation required
Parts at a glance
Part B
AD7606BSTZ-RL
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 2798 Stückzahl
- Package
- LQFP-64
- Series
- Datenerfassung von ADCs-DACs für besonderen Zweck
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD7606BBSTZ | AD7606BSTZ-RL | Why it matters |
|---|---|---|---|
| Number of ADC Channels | 8 | 8 | Channel count determines how many analog signals can be sampled simultaneously; both are 8-channel devices. |
| Resolution | 16 bit | 16 bit | Resolution sets the smallest detectable signal change; both provide 16-bit conversion. |
| Sampling Rate (Max) | 200 kSPS | 200 kSPS | Maximum throughput affects the highest signal frequency that can be captured; both support 200 kSPS. |
| Supply Voltage (Analog) | 5 V | 5 V | Analog supply defines the input signal range and must match the system power rail; both use 5 V. |
| Digital Interface | SPI / Parallel | SPI / Parallel | Interface compatibility determines whether the part can drop into an existing digital bus; both support SPI and parallel. |
| Package / Case | 64-LQFP | 64-LQFP | Package footprint must match the PCB land pattern for physical substitutability; both are 64-LQFP. |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Temperature range determines suitability for industrial environments; both are rated -40°C to +85°C. |
| Input Type | Single-ended | Single-ended | Input configuration affects signal conditioning requirements; both accept single-ended inputs. |
| Packaging / Ordering | Tray | Tape & Reel | Packaging differs for automated assembly versus manual handling; the -RL suffix denotes tape and reel. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD7606BBSTZ | AD7606BSTZ-RL |
|---|---|---|
| Part Status | Active | Active |
| Type | Data Acquisition System (DAS), ADC | Data Acquisition System (DAS), ADC |
| Number of Channels | 8 | 8 |
| Resolution(Bits) | 16 b | 16 b |
| Sampling Rate(Per Second) | 800k | 200k |
| Data Interface | Parallel, Serial | DSP, MICROWIRE™, Parallel, QSPI™, Serial, SPI™ |
| Voltage Supply Source | Analog and Digital | Analog and Digital |
| Voltage - Supply | 1.71V ~ 4.75V, 3.6V ~ 5.25V | 2.3V ~ 5.25V, 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the AD7606BBSTZ and the AD7606BSTZ-RL?
Both devices are 8-channel, 16-bit, bipolar, simultaneous-sampling SAR ADCs from Analog Devices in a 64-lead LQFP package. The AD7606BBSTZ is the newer "B" grade revision, which Analog Devices specifies with improved performance characteristics over the original AD7606BSTZ. The AD7606BSTZ-RL is the tape-and-reel packaging variant of the original AD7606BSTZ. Designers should consult the respective datasheets to confirm the specific parametric differences (such as throughput, accuracy, or supply range) before substituting one for the other.
Are the AD7606BBSTZ and AD7606BSTZ-RL pin-compatible?
Yes. Both parts are offered in the same 64-lead LQFP package with the same pinout, so they are pin-compatible at the package level. However, pin compatibility does not guarantee functional interchangeability; the electrical specifications and any revision-specific behavior must be verified against the datasheets before a direct drop-in replacement is made.
What does the "-RL" suffix on the AD7606BSTZ-RL indicate?
The "-RL" suffix denotes tape-and-reel packaging, which is intended for automated high-volume SMT assembly. It does not indicate a different silicon die or performance grade. The AD7606BSTZ-RL is the reel-packaged version of the AD7606BSTZ, whereas the AD7606BBSTZ is a distinct "B" grade device.
What is the resolution and channel count of these ADCs?
Both the AD7606BBSTZ and the AD7606BSTZ-RL are 16-bit, 8-channel, simultaneous-sampling successive-approximation-register (SAR) analog-to-digital converters. Each channel includes an on-chip analog input clamp, input amplifier, and track-and-hold circuitry, allowing all eight channels to be sampled at the same instant.
Do these devices support bipolar input ranges?
Yes. The AD7606 family accepts true bipolar analog input ranges of ±10 V and ±5 V, which makes these parts suitable for industrial, power-line, and motor-control applications where bipolar signals are common. The input range is selected via a dedicated pin.
What digital interface do the AD7606BBSTZ and AD7606BSTZ-RL provide?
Both devices provide a parallel interface and a serial interface for reading conversion results. The parallel interface supports 16-bit word reads, and the serial interface supports daisy-chaining of multiple devices. The interface mode is selected via configuration pins, allowing flexibility in system architecture.
Can the AD7606BBSTZ be used as a drop-in replacement for the AD7606BSTZ-RL?
Because both parts share the same package and pinout, a drop-in replacement is physically possible. However, the AD7606BBSTZ is a "B" grade revision with its own specified performance envelope, so the designer must confirm that all electrical parameters, timing, and supply requirements meet the target design's needs by comparing the two datasheets. Substitution should only be made after full validation against the manufacturer documentation.